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subset: commoncrawl


text:
A high-capacity, precision cutter for dices, slices, strip cuts, and crinkle cuts, on a wide range of food products, including sweet potatoes, yams, onions, carrots, peppers, celery, pineapple, beets, turnips, rutabagas, and a wide variety of other fruits, vegetables, and preformed meats.
Presently set with cutting parts for 3/8" cubes. Manufacturer rated to accept products up to 10 inches (254mm) in any dimension (with appropriate parts) for straight-cut slice thickness from 1/16" to 1 1/8" (1.6 to 28.6 mm), crinkle slice thickness 1/8 to 1" (3.2 to 25.4 mm), circular knife cuts from 5/32" to 3" (4.0 to 76.2 mm), and crosscut knife cuts of 1./8" to 2 5/8" (3.2 to 66.7 mm), at up to 40,000 lbs per hour (depending on product and cut).
Large product infeed allows for whole products to be fed to the cutter without pre-cutting, such as sweet potatoes and yams. An industrial cutter with extremely high capacity output for uniform slicing, dicing, and strip cutting of food products.
All food grade sanitary stainless steel construction. Configured with a hopper infeed and low-level discharge chute, 7.5 HP 3 phase variable frequency drive. Complete with factory operator control panel, with safety interlock system.
As of this writing, this Urschel Q / Quanticut cutter is in stock at Alard, in very good operational condition, available for timely shipment.
Alard item reference #:Y2633


text:
- 1 Editing
- 2 Quotations
- 3 Great talks and lectures
- 4 Plays
- 5 Todo
- 6 Rename
- 7 Gas discharge tube
- 8 Color
- 9 Articles
- 10 Notes
- 10.1 Content issues
- 10.2 Scripts
- 10.3 Chemistry
- 10.4 Cryptography
- 10.5 Science & Engineering books
- 10.6 Explosives
- 10.7 Vacuum
- 10.8 Fluid dynamics
- 10.9 Instruments
- 10.10 Medical instruments
- 10.11 Logic
- 10.12 Mechanical
- 10.13 Microwave power measurement
- 10.14 Numerical mathematics
- 10.15 Phase locked loop
- 10.16 Digital signal processing
- 10.17 Telephone
- 10.18 Military
- 11 Misc
- 12 Patents
- 13 Mapping
- 14 Controversy
- 15 Trial
- 16 Figures
- 17 Degrees of separation
My apologies. I am seldom current on my watchlist and am usually several days behind; sometimes I'm more than a week behind. That has some sad implications. If I make an edit today, that does not mean I'm current on my watchlist. If an article has lots of activity, then I may not look at that article until the activity has stopped for a few days. (I do jump ahead sometimes.) Even if I see some article changes, I may queue them for later handling because I don't have the time to check them now. Unfortunately, the further back they fall, the less likely they will be addressed.
I've been out of it since 6 March 2014[edit]
More state accumulated in browser:
- https://en.wikipedia.org/w/index.php?title=Vortex_ring_state&curid=1565482&action=history
- https://en.wikipedia.org/w/index.php?title=Talk:Vortex_ring_state&curid=6200776&action=history
- https://en.wikipedia.org/w/index.php?title=Talk%3ANegative_resistance&diff=623252720&oldid=622937334
- https://en.wikipedia.org/w/index.php?title=Talk:Audion&diff=620577741&oldid=620555923
- https://en.wikipedia.org/w/index.php?title=Ionization&diff=622910167&oldid=613938584
- https://en.wikipedia.org/w/index.php?title=Electrolytic_detector&diff=616127786&oldid=585332553
- https://en.wikipedia.org/w/index.php?title=Total_harmonic_distortion&diff=616925547&oldid=610802683
- https://en.wikipedia.org/w/index.php?title=Vacuum_tube&diff=621341335&oldid=620134954
- https://en.wikipedia.org/w/index.php?title=Talk%3AEuclidean_algorithm&diff=624087426&oldid=623735144
- https://en.wikipedia.org/w/index.php?title=Vincent_van_Gogh&curid=32603&action=history
- https://en.wikipedia.org/w/index.php?title=Talk:Vincent_van_Gogh&curid=32832&action=history
- https://en.wikipedia.org/w/index.php?title=Radio-frequency_identification&diff=624942951&oldid=623977939
- https://en.wikipedia.org/w/index.php?title=Diesel_generator&diff=629214813&oldid=624015162
- https://en.wikipedia.org/w/index.php?title=Casting&diff=626203296&oldid=623209359
- https://en.wikipedia.org/w/index.php?title=Propagation_of_uncertainty&diff=prev&oldid=625640423
- https://en.wikipedia.org/wiki/Talk:Propagation_of_uncertainty
- https://en.wikipedia.org/w/index.php?title=Mark_14_torpedo&diff=627982890&oldid=605806292
- https://en.wikipedia.org/w/index.php?title=Mark_6_exploder&diff=627992316&oldid=599039626
- https://en.wikipedia.org/w/index.php?title=Talk%3AGerber_format&diff=615878896&oldid=579971791
- https://en.wikipedia.org/w/index.php?title=Gerber_format&diff=615923009&oldid=615711778
And slowly crawling back...
- Now thru 13 May, still buried, and no free time. Need to return to:
- https://en.wikipedia.org/wiki/Talk:Goertzel_algorithm
- https://en.wikipedia.org/w/index.php?title=Gas_tungsten_arc_welding&diff=598553640&oldid=594913307
- https://en.wikipedia.org/w/index.php?title=M1917_Browning_machine_gun&diff=598768509&oldid=596611001
- https://en.wikipedia.org/w/index.php?title=Division_algorithm&diff=598802745&oldid=596990163
- https://en.wikipedia.org/w/index.php?title=OpenSCAD&diff=598215287&oldid=597866453
- https://en.wikipedia.org/w/index.php?title=SVG_animation&diff=598970310&oldid=593113859
- https://en.wikipedia.org/w/index.php?title=User_talk%3AGlrx&diff=599064776&oldid=597672545
- https://en.wikipedia.org/w/index.php?title=Proximity_fuze&diff=599158621&oldid=580727159
- https://en.wikipedia.org/w/index.php?title=Arbiter_%28electronics%29&diff=599163800&oldid=592105989
- https://en.wikipedia.org/w/index.php?title=Fisher%E2%80%93Yates_shuffle&diff=599338888&oldid=598970890
- https://en.wikipedia.org/w/index.php?title=Minimum-shift_keying&diff=599752033&oldid=588694897
- https://en.wikipedia.org/w/index.php?title=Frequency-shift_keying&diff=599753694&oldid=598762119
- https://en.wikipedia.org/w/index.php?title=Quadratic_equation&diff=599832874&oldid=598337364
- https://en.wikipedia.org/w/index.php?title=Intel_8008&diff=600224461&oldid=596837796
- https://en.wikipedia.org/w/index.php?title=Talk:Binary_search_algorithm&curid=4277&action=history
- https://en.wikipedia.org/w/index.php?title=Power_over_Ethernet&diff=600550031&oldid=598338841
- https://en.wikipedia.org/w/index.php?title=Talk%3ABubble_sort&diff=600603641&oldid=580140090
- https://en.wikipedia.org/w/index.php?title=Talk%3ABlock_cipher_mode_of_operation&diff=600649874&oldid=562345988
- https://en.wikipedia.org/w/index.php?title=Evaluation_strategy&diff=600729513&oldid=596015117
- https://en.wikipedia.org/w/index.php?title=Binary_search_algorithm&diff=600751691&oldid=598272330
- https://en.wikipedia.org/w/index.php?title=P%E2%80%93n_diode&diff=601113167&oldid=595650547
- https://en.wikipedia.org/w/index.php?title=Talk:Basic_Linear_Algebra_Subprograms&diff=601183604&oldid=593767377
- https://en.wikipedia.org/w/index.php?title=Basic_Linear_Algebra_Subprograms&diff=601183736&oldid=592073388
- https://en.wikipedia.org/w/index.php?title=Minimum-shift_keying&diff=601881286&oldid=588694897
- https://en.wikipedia.org/w/index.php?title=Fisher%E2%80%93Yates_shuffle&diff=602069219&oldid=597499563
- https://en.wikipedia.org/w/index.php?title=Analog-to-digital_converter&diff=602737078&oldid=597869147
- https://en.wikipedia.org/w/index.php?title=Talk:Analog-to-digital_converter&diff=next&oldid=602042220
- https://en.wikipedia.org/wiki/Talk:Kelvin_bridge#The_diagram_in_the_article_doesn.27t_match_cited_one
- https://en.wikipedia.org/w/index.php?title=Noise_figure&diff=582228404&oldid=580525400
- https://en.wikipedia.org/w/index.php?title=Operational_amplifier_applications&diff=604720652&oldid=598379134
- https://en.wikipedia.org/w/index.php?title=Quicksort&curid=3268249&action=history
- https://en.wikipedia.org/w/index.php?title=Kelvin_bridge&curid=11680848&action=history
- https://en.wikipedia.org/w/index.php?title=Talk%3AFinite_impulse_response&diff=604521617&oldid=594731964
- https://en.wikipedia.org/w/index.php?title=Quadratic_formula&diff=603303830&oldid=597117236
- https://en.wikipedia.org/w/index.php?title=Flyback_diode&diff=603438773&oldid=597875376
- https://en.wikipedia.org/w/index.php?title=Kahan_summation_algorithm&diff=603648629&oldid=596085180
- https://en.wikipedia.org/w/index.php?title=Pearson%E2%80%93Anson_effect&diff=604931167&oldid=596994570
- https://en.wikipedia.org/w/index.php?title=Knuth%E2%80%93Morris%E2%80%93Pratt_algorithm&diff=606424998&oldid=589897990
- https://en.wikipedia.org/w/index.php?title=Talk%3ABarrie_Gilbert&diff=606498646&oldid=398124414
- https://en.wikipedia.org/w/index.php?title=Barrie_Gilbert&diff=606500105&oldid=605939530
- https://en.wikipedia.org/w/index.php?title=Neon_lamp&diff=609822107&oldid=609589418
- "I find that hard to believe." — Carol
"Give me 10 minutes and then check Wikipedia" — Topper, Dilbert, May 8, 2009
- "This place slightly resembles an insane asylum" ― Blake
"Well, all you need to start an asylum is an empty room and the right kind of people." ― Alexander Bullock, My Man Godfrey
- "Hey, but a lot can happen over a year. I mean, you could come back next fall as a completely normal person." ― Samantha Baker, Sixteen Candles
- "... your secret is safe with me." ― Rhett Butler, Gone with the Wind
- "To infinity... and beyond!" ― Buzz Lightyear
- "Eternity is a very long time — especially toward the end." ― Woody Allen
- "You had a leak? You call what's goin' on around here a leak? Boy, the last time there was a leak like this, Noah built hisself a boat." ― James A. Wells, Assistant U.S. Attorney General, Absence of Malice
- "You're gonna need a bigger boat." ― Martin C. Brody, Jaws. When Aaron Sorkin was asked what was the best line ever written, he quoted this one, but the line was an ad lib. I bet Sorkin knew.
- "I'm an actor." Roy Scheider to Steven Spielberg when Spielberg was complaining he could not find an actor for Brody's part.
- "Yes, but can she act?" Steven Spielberg to David Brown when Brown suggested casting Chrissie Watkins in Jaws.
- "My faith in the integrity of American advertising is somewhat restored." ― Richard Sherman, Seven Year Itch
- "Tell me, George, if you had to do it all over again, would you still fall in love with yourself?" ― Oscar Levant to Robert Alda as George Gershwin, Rhapsody in Blue
- "No es Canadiense! Todos Canadienses hablan polaco!" ["You're no Canadian! All Canadians speak Polish!"] ― Spanish officer trying to interrogate a Canadian flier in Polish at Miranda de Ebro concentration camp (where Polish refugees who spoke English would claim to be Canadian so they would not be returned to the Nazis). The flier was classified as stateless. Enigma, Władyshaw Kozaczuk translated by Christopher Kasparek, University Publications of America 1984, pp 152–154
- Let N be the largest integer. If N > 1, then N2 > N, contradicting the definition of N. Hence N = 1. ― Oskar Perron
- All angles are right angles. All triangles are equilateral triangles. ― David Hilbert
- "In theory, there is no difference between theory and practice, but in practice, there is." — Anon
- "Better to remain silent and be thought a fool than to speak and remove all doubt." — possibly Maurice Switzer but often attributied to Mark Twain or Abraham Lincoln See Quote Investigator.
- "I stopped her right there and said look, if The Economist says that, then they are wrong. I said that people should come to this article and look at the table where we have a meticulous table with exact reference to the authoritative data." — Jimbo Wales in a thank you note at Talk:Ebola virus epidemic in West Africa.
- "I could see our escort fighters weaving in their protective pattern... our bomber pilots also sighted the enemy force and, without orders, raced for low altitude. ... Even as we pulled out above the jungle, our escort fighters turned into the attacking planes.... For a few moments I lost sight of Yamamoto's plane and finally located the Betty far to the right. I was horrified to see the airplane flying slowly just above the jungle, headed to the south, with bright orange flames rapidly enveloping the wings and fuselage. ... I stared hopelessly as a silver H-shaped P-38 half-rolled in a screaming zoom, then turned steeply, and closed rapidly toward our plane. ... I watched the P-38's nose seem to burst into twinkling flame, and suddenly the bomber shook from the impact of the enemy's machine gun bullets and cannon shells. The P-38 pilot was an excellent gunner, for his first fusilade of bullets and shells crashed into the right side of the airplane, then into the left. The drumming sounds vibrated through the airplane which rocked from the impact of the enemy fire. ... One by one our answering machine guns fell silent. ... Another canon shell suddenly tore open the right wing. ... a Zero pilot above us ... reported heavy smoke pouring from our bomber ... the pilot ... could no longer control the aircraft. Enemy bullets had shattered the cables. ... The impact of the crash momentarily stunned me, and everything turned black." — Vice Admiral Matome Ugaki, Chief of Staff of the Combined Fleet, describing 18 April 1943 attack over Bougainville Island, quoted in Attack on Yamamoto, Carroll V. Glines, New York: Orion Books, 1990, ISBN 0-517-57728-3, pp 99-101.
- "I can't tell if you're a brilliant leader or criminally insane." — Dilbert
"I'd show you the Venn diagram they gave us in CEO school, but it just looks like a circle." — The C.E.O., Dilbert, February 15, 2015
- "Never call a man a fool; borrow from him' — Addison Mizner [1] The Perfectly Good Cynic's Calendar by Ethel Watts Mumford Grant, Addison Mizner, Oliver Herford
- I can make a great movie out of your worst novel. — Howard Hawks to Ernest Hemingway American Film Tales, page 14
Great talks and lectures[edit]
- David Baltimore on cancer
- Paul MacCready on human-powered aircraft and Gossamer Condor; also great article in CalTech alumni magazine on Sunraycer and winning the World Solar Challenge
- IBM speaker about fast transaction processing
- Ellen Hildreth on vision
- several others...
- Random number generators:
- John von Neumann only trusted true random number generators.
- Donald Knuth gave a wonderful talk his attempt to make a good psuedo random number generator – an attempt that quickly found a fixed point so the generator just emitted the same number at each call.
- Manuel Blum gave an hour-long one-slide lecture that included how to make a biased random number generator less biased.
- Dave Parker throws out Brian Downing at the plate during the 1979 Major League Baseball All-Star Game
- Bill Buckner, 1986 World Series, Game Six.
- Category:Articles with incorrect citation syntax
- Fractional distillation images
- Audion -- the receipt
- Torque wrench
- Lisp (programming language)
- Cat's-whisker detector low-level vs peak detection; illustration of IV characteristics
- Mark 14 torpedo Bernoulli calculation
- Solenoid valve illustrations and explanation
- Battle of Alesia map
- Jensen's device, copy rule, Call by name
- Low-noise amplifier has many problems.
- Autodyne and related heterodyne and Regenerative circuit
- damped wave versus continuous wave issues
- Barcode
- Cathode
- Euclidean algorithm - big intro, simpler code
- Skin effect
- Superheterodyne receiver
- Direct-conversion receiver
- Field-programmable gate array
- Demurrer
- Dew point
- Electronic oscillator
- Frequency multiplier
- Harmonic mixer
- Flip-flop
- Negative resistance
- Coaxial cable loss
- Walter Dornberger
- Eric Grimson (deleted for copyvio)
- EZ GCD algorithm
- fr:Occidental and Oriental Steamship Company O & O
- http://www.timetableimages.com/maritime/images/oo01a.jpg
- http://insight.stanford.edu/luna/servlet/view/all/who/Occidental+and+Oriental+Steamship+Company
- http://www.maritimeheritage.org/ships/shippingLines.html
- http://www.crwflags.com/fotw/flags/us~hfo.html
- http://www.norwayheritage.com/gallery/gallery.asp?action=viewimage&categoryid=6&text=&imageid=2317&box=&shownew=
- http://www.norwayheritage.com/p_ship.asp?sh=copti
- http://www.norwayheritage.com/p_shiplist.asp?co=white White Star leases
- http://menus.nypl.org/menus/13896
- http://modmom.blogspot.com/
See Irrigation scheduling and soil moisture sensor. Following should roll into soil moisture sensor:
More information on moisture sensors:
- http://www.irrometer.com/sensors.html (model used on Davis) (Resistance sensor!)
- US 5179347, Hawkins, Alfred J., "Electrical sensor for sensing moisture in soils", published April 10, 1992, issued January 12, 1993
Gas discharge tube[edit]
The typical GDT has a low pressure noble gas. For the present, assume that the electrodes do not emit any electrons. Also assume there are no ions.
Consequently, the GDT is an insulator; no current flows.
Dark current[edit]
There will be some ions created by light, cosmic rays, or radio activity. Consequently, there will be some positive ions and electrons. With no applied voltage, there is no significant drift and they recombine. Applying a voltage causes the heavy positive ions to drift toward the cathode and the light electrons to drift to the anode. Some could still recombine.
Increasing the applied voltage causes all the generated ions to be swept to the anode and cathode before they recombine. Consequently the current reaches a saturation level of IS that stays constant as the voltage is increased.
See Rutherford 1899 at 112-113
- Rutherford, E. (January 1899), "Uranium Radiation and the Electrical Conduction produced by it", Philosophical Magazine, Series 5 (London: Taylor & Francis) 47 (284): 109–163, ISSN 1941-5982, LCCN sn86025845. Also Archive.org
Glow discharge[edit]
At some point, the drifting ions gather enough energy that they can generate more carriers. This region is Townsend discharge, and there are two dominant mechanisms. The first mechanism is electrons colliding with neutral atoms to generate an additional positive ion and electron. The positive ion drifts to the cathode, and the negative electron drifts to the anode. Avalanche multiplication is happening. Now there are two electrons, and each of them may gain enough energy to kick loose more electrons.
Discuss photons... Start of glow.
The second mechanism is secondary emission. When a positive ion crashes into the cathode, it may liberate another electron that will then drift to the anode (and, possibly, free more carriers).
Uncontrolled generation.
Switch modes.
Suggestion that secondary emission is now 1 for 1 at ignition / strike.
Extinction voltage.
GE reference says negative resistance, but Tube reference does not.
Normal and abnormal glow[edit]
Start of thermionic emission[edit]
Local heating of the electrodes makes it easier to develop a current.
Arc discharge[edit]
- Arc converter
- Three modes; switching is Poulsen
- Bureau of Standards (24 May 1921), The Principles Underlying Radio Communication (Second ed.), U.S. Army Signal Corps, Radio Communications Pamphlet No. 40 http://www.forgottenbooks.org. See following page 400. FSK keying page 415.
- Arc lamp
- Avalanche breakdown
- Electric arc
- Electric discharge in gases
- Spark gap
- Vacuum arc
- Several articles related contact damage and protection
- Potter and Brumfield, spike and crater, http://relays.te.com/appnotes/app_pdfs/13c3203.pdf
Voltage becomes similar to ionization potential.
Arc discharge requires electrode emission. Thermionic or high field.
Self destruction.
Negative resistance here.
Glow character[edit]
Cathode dark space.
Faraday dark space.
Anode glow.
- http://www.glow-discharge.com/Index.php?Physical_background:Glow_Discharges
- http://www.physics.csbsju.edu/tk/370/jcalvert/dischg.htm.html
- Paschen's law
- http://www.duniway.com/images/pdf/pg/Paschen-Curve.pdf
- http://home.earthlink.net/~jimlux/hv/paschen.htm
- http://www.ece.rochester.edu/courses/ECE234/MEMS_ESD.pdf
Dubious references[edit]
- Millman, Jacob (1958), "12 Electrical Discharges in Gases", Vacuum-tube and Semiconductor Electronics, McGraw-Hill Electrical and Electronic Engineering Series, McGraw-Hill
Has lots of detail, but does not show reorganization of gas. Has negative resistance region at Townsend breakdown; acute angle. There were other flaws.
- Ott
Ott has many flaws. May have referred to glow region as Townsend discharge. Has an arc being a metal-arc discharge and suggesting that metal ions are involved.
Neon spectra[edit]
- http://hyperphysics.phy-astr.gsu.edu/hbase/quantum/atspect2.html
- http://www.astrosurf.com/~buil/us/spe2/hresol4.htm
- http://www.cbu.edu/~jvarrian/252/emspex.html
I disagree with the notion that devices such as a gas discharge tube exhibit negative resistance.
Consider a non conducting gas tube just below the strike voltage. Now increase by one volt to fire the tube. If the terminal voltage is held constant, then the current increases dramatically instead of falling (as it would in a negative resistance).
If the terminal voltage is then decreased, then the current also decreases. Decrease the voltage enough, and the tube quenches. Where is the negative resistance? I see a state change and hysterisis due to that change, but I don't see a negative resistance.
- The I-V characteristics are complicated. Start out with Townsend discharge that has avalanche multiplication at high end. Then there is dark discharge, glow discharge, and arc discharge. Herbert J. Reich. Noise and shielding book (which is interested in supressing arc to minimize contact damage) only does strike / glow model.
- Neon lamp#Description has an I/V characteristic graph with a negative resistance region, but it is unsourced. Some technical articles suggest state change.
In contrast, if the same terminal measurements are made varying the voltage across a tunnel diode, there's a region where the voltage is increased but the current decreases.
If the independent variable is the current, then yes, there's a point where the current increases but the terminal voltage falls because the tube finally strikes. That transition, however, is also a discontinuous jump on the device IV curve. With the jump, there's no clear notion of a small signal impedance.
I don't see a nonlinearity or hysterisis implying a negative resistance.
Where's a reference that states a gas discharge tube is a negative resistance?
Does a circuit that can be broken somewhere in the feedback loop and display a negative resistance qualify? Negative resistance should not be just another word for power gain. That is the sense used in microwave oscillators, but the wizard behind the curtain is an amplifier.
Philbrick ref (page 8) says it resembles a Howland with infinite load.
- http://www.drycreekphoto.com/Learn/monitor_calibration_tools.htm
- http://www.computer-darkroom.com/photocal/photocal_2.htm
- http://www.dansdata.com/spyder.htm
Dust removal[edit]
- Digital ICE
- Infrared cleaning
- http://andreas.rick.free.fr/sane/dustremove.html
- http://support.nikonusa.com/app/answers/detail/a_id/16055/~/sdk-online-procedure
- US IR dust removal 5266805, Edgar, Albert D., "System and method for image recovery", published May 5, 1992, issued November 30, 1993
- US ROC 5673336, Edgar, Albert Durr & James Matthews Kasson, "Automatic cross color elimination", published January 11, 1996, issued September 30, 1997
- Cora F. Cressey created??
- Coordinatograph created; linked with Rubylith
- Defence (ship) created??
- Forney algorithm created
- Fort George (Castine, Maine) ???
- Hershey font
- Holdout (architecture) created; also Holdout turned into disambiguation page
- Jim Williams (analog designer) created.
- Kelvin bridge did nothing on this
- Kelvin divider obvious divider
- Kelvin-Varley divider created
- Category:Microwave technology
- Lange coupler - previously deleted; investigate; Power dividers and directional couplers
- HP E5090A 2-Port Transmission/Reflection Test Kit
- Stripline
- Microstrip
- Leeson's equation created
- Edward M. McCreight created. Helped develop B-tree
- Shelter Me (disambiguation) created
- Strength reduction expanded. Earlier confused peephole optimimation with strength reduction.
- Polyphase merge sort Originally described wrong algorithm based on bad web reference.
- SCALD created after referring to it in an AfD. Needs work about macro expansion, bus hacks, and timing verification.
- Oscillating merge sort created with redirect at Oscillating sort
- Cascade merge sort created with redirect at Cascade merge
- Started article as stub. Within one minute, it was marked with multiple issues. Within 3 hours, marked for speedy deletion.
- Murder of Kristine Fitzhugh created.
- Kiushan Tao (Turnabout Island) created
- Aluminium foil#Electromagnetic shielding after reading RFID.
- Need to do Shielding effectiveness article
- Primer (firearm), created with material moved from Internal ballistics
- Ellen Hildreth of Wellesley College. Co-inventor of Marr–Hildreth algorithm
- Eric Grimson, created stub after copyvio deleted
- {{Electronic oscillators}}
- Kihachiro Ueda, Japanese painter
- Tape label created awhile ago
- Legg's equation August 2013
- Patch Code December 2013
- {{Bridge circuits}} 18 April 2014
- {{Compiler optimizations}} May 2014
- HMS Gleaner (J83)
- Francis Bashforth Nov 2014 (stolen from German Wikipedia)
- Butler oscillator 8 February 2015
- https://en.wikipedia.org/w/index.php?title=Wikipedia:Featured_article_review/Marian_Rejewski/archive1&diff=next&oldid=660685796
Content issues[edit]
- WP:FRINGE Notability v Acceptance. Report on levels of acceptance.
- dubious
- disputed / talk-section
- disputed-section / talk-section
- Wikipedia:Template messages/User talk namespace
- WP:CORPNAME, uw-username pipe text reason
- Wikipedia:Articles for deletion/Insertion sort implementations code repository
- Harv referencing
- Chemical file format
- Chemical Markup Language (.cml?)
- MDL Molfile (.mol)
- SD files (.sdf)
- Simplified molecular input line entry specification SMILES
- SYBYL Line Notation (.sln)
- http://www.howtogeek.com/howto/13804/create-chemistry-equations-and-diagrams-in-word/
- Chemical process modeling
- Process design (chemical engineering)
- Spray tower and absorption column
- Enigma machine
- M-209 and Whitfield Diffie; "His Excellency Colonel Muammar Gaddafi, Brother Leader of the Revolution of the Great Socialist People's Libyan Arab Jamahiriya"
Science & Engineering books[edit]
- Brooks, Mythical Man Month
- Salvadori, Mario (2002), Why Buildings Stand Up: The Strength of Architecture, W. W. Norton, ISBN 978-0-393-30676-7
- Levy, Matthys; Salvadori, Mario; Woest, Kevin (1994), Why Buildings Fall Down: How Structures Fail, W. W. Norton & Company, ISBN 978-0393311525
- Bohren, Craig (2001), Clouds in a Glass of Beer, New York: Dover Publications, ISBN 9780486417387
- Amos, S. W. (1965), Principles of Transistor Circuits: Introduction to the Design of Amplifiers, Receivers and other Circuits (3rd ed.), Hayden
- 65,000 pounds per square inch (450 MPa)
- merge Chapman–Jouguet condition with ZND model
- US 1197167, Zeisberg, F. C., "Process of Concentrating Nitric Acid", published October 15, 1914, issued September 5, 1916 , Du Pont Nitric Acid Patent
- US 4487938, Boileau, Jacques; Jean-Marie L Emeury & Jean-Paul Kehren, "Tetranitroglycoluril and method of preparation thereof", published September 21, 1982, issued December 11, 1984 , says "Cyclotrimethylene trinitramine or RDX or Hexogen was first synthesized in 1916 by Brunswig (German Pat. No. 299,028) but its value as an explosive was only recognized by Von Herz in 1920 (British Pat. No. 145 791). It came into significant use only during World War II."
- DE 299028, Brunswig, "Verfahren zur Herstellung von Sprengstoffen und Detonationsüberträgern", issued October 15, 1916
- DE 104279, Test, "Hunoz", issued October 15, 1916 Can find patents before and after 104280, but not 104280.
- DE 104280, Test, "Hunoz", issued October 15, 1916 Can find patents before and after 104280, but not 104280.
- DE 104281, Test, "Hunoz", issued October 15, 1916 Can find patents before and after 104280, but not 104280.
- US 2859215, Spomer, Roland J., "Process for preparation of cyclonite", published 19 April 1956, issued 4 November 1958
- unknown (March 1953), Japanese Explosive Ordnance (Bombs, Bomb fuzes, Land mines, Grenades, Firing Devices and Sabotage Devices), TM 9-1985-4, Departments of the Army and Air Force
shouyaku and tanayaku Thurman (2006, p. 416)
- Thurman, James J. (2006), Practical Bomb Scene Investigation, CRC Press, pp. 407–416, doi:10.1201/9781420005950.bmatt1, ISBN 978-0-8493-4198-4
List of Japanese World War II explosives
- Hampton, L. D. (June 15, 1960), The Development of RDX Composition CH-6 (PDF), NavOrd Report 680, White Oak, MD: U. S. Naval Ordinance Laboratory
- http://www.avs.org/pdf/timelineB.pdf time line of vacuum technology - includes vacuum tubes
Fluid dynamics[edit]
- Hazen–Williams equation
- Water hammer
- method of moments
- Pulse generator nonlinear X-line, SRD
- Signature analyzer (and other BIST ideas)
- Standard Test Data Format
- random FPGA scope project: http://sourceforge.net/projects/welecw2000a/
- Moisture sensor
- vacuum gauge
Medical instruments[edit]
- Blood analyzer
- Endoscope
- L-scope
- Otoscope
- Pulse oximeter
- Logic family
- Baker clamp is not explained in logic
- Baker's LL TR-110 [AD0096497]
- No PDF; DTIC not public; NTIS not found (index only back to 1964)
- Cutoff and Saturation Clamping
- Thomas, Harry E. (1968), "Handbook of Transistors, Semiconductors, Instruments, and Microelectronics, Prentice-Hall page 227–229. Similar to ARMY TM.
- Bell Labs symposium, 1951, The Transistor, TK 7872.T73 B4 is silent on anti-saturation clamps.
- Resistor Tube Logic
- IBM 604 (tube) and IBM 608 (transistor)
- http://www.bitsavers.org/pdf/ibm/604/227-7609-0_604_CE_man_1958.pdf
- pg 30-31 has inverter with resistors and speed up capacitor. (50kHz?)
- stored charge on the grid
- cathode coupled logic on page 43
- dual gate tube fet on page 45
- germanium diodes page 49
- multibrator capacitors page 54
- a 608 was transistorized
- Joint Test Action Group
- Boundary Scan (Angell ref)
- Relay, diode, DTL, RTL, TTL, ECL families
- common diode has 4ns turn off
- http://semiconductormuseum.com/PhotoGallery/PhotoGallery_2N697.htm
- http://www.computerhistory.org/semiconductor/timeline/1963-TTL.html
- http://homepages.nildram.co.uk/~wylie/ICs/monolith.htm
- http://smithsonianchips.si.edu/
- http://web.archive.org/web/20050820002220/http://www.stanford.edu/group/mmdd/SiliconValley/ElectronicNews/Monolithics.text/Monolithic.rtf
- http://www.computerhistory.org/semiconductor/timeline/1969-Schottky.html
- Roberval balance listed as classical ... but used today.
- Geneva drive lacks sources and design information
- Walking beam but as a material transport
Microwave power measurement[edit]
- power meter
- diode detector (square law detector vs linear detector)
- thermistor mount
- barretter
- bolometer
- thermocouple (redirect from conventional)
- power monitor or power quality monitor (Dranetz, BMI, RPM)
- mismatch effect on accuracy
- noise
- noise calibration
- hot/cold source
- hp test box with circulators
- nonlinear transmission line (also SRD)
- refs
- Application Note 1449-1 Fundamentals of RF an Micowave Measurements (Part 1) Introduction to Power, History, Definitions, International Standards & Traceability http://cp.literature.agilent.com/litweb/pdf/5988-9213EN.pdf
- Application Note 1449-2 Fundamentals of RF an Micowave Measurements (Part 2) Power Sensors and Instrumentation http://cp.literature.agilent.com/litweb/pdf/5988-9214EN.pdf
- Application Note 1449-3 Fundamentals of RF an Micowave Measurements (Part 3) Power Measurement Uncertainty per International Guides http://cp.literature.agilent.com/litweb/pdf/5988-9215EN.pdf
- Application Note 1449-4 Fundamentals of RF an Micowave Measurements (Part 4) An Overview of Agilent Instrumentation for RF/Microwave Power Measurements http://cp.literature.agilent.com/litweb/pdf/5988-9216EN.pdf
Numerical mathematics[edit]
- Linear multistep method
- No explicit reference to Gear?
- Backward differentiation formula
Phase locked loop[edit]
- Ugh...
- US 3449691, Pasternak, Gerald P. & Ronald L. Whalin, "Digital Phase-Locked Loop", published October 10, 1967, issued June 10, 1969
Digital signal processing[edit]
- Image reject mixer
- Software-defined radio
- Direct digital synthesizer
- should ref Tierney
- Tierney, J.; Rader, C. M.; Gold, B. (1971), "A digital frequency synthesizer", IEEE Transactions on Audio and Electroacoustics, AU-19 (1): 48–57
- US 4485347, Hirasawa, Shigeichi & Akira Horiguchi, "Digital FSK Demodulator", published August 17, 1981, issued November 27, 1984
- E.123: Telephone number format ITU-T E.123
USS Tang rescued A. R. Matter[4]. O'Kane didn't like the guy's gung ho nature (a surprise for O'Kane). Chinn volume 5 has a picture of Matter but no explanation of what he did.
- US 2883619, Kobbe, John R. & William J. Polits, "Electrical Probe", issued April 21, 1959
- US 3532982, Zeidlhack, Donald F. & Richard K. White, "Transmission Line Termination Circuit", issued October 6, 1970
- US 3594491, Zeidlhack, Donald F., "Shielded cable having auxiliary signal conductors formed integral with shield", issued July 20, 1971
- US 6268735, x, "Noise source module for microwave test systems", issued July 31, 2001
- US 3619780, x, "Transistor Noise Measuring Apparatus", issued November 9, 1971
- US 5191294, x, "Measuring noise figure and y-factor" . Wiltron
- US 3302116, x, "Signal plus noise to noise measuring equipment"
- US 4808912, x, "Six-port reflectometer test arrangement and method including calibration" . Marconi
- US 5434511, x, "Electronic microwave calibration device" . ATN Microwave, Inc.
- US 5416422, x, "Apparatus and method for determining single sideband noise figure from double sideband measurements" . Hewlett-Packard
- US 4905308, x, "Noise parameter determination method"
- US 2901696, x, "Arrangement for automatic and continuous measuring of the noise factor of an electric device", issued August 25, 1959 Gated.
- US 2620438, x, "Noise-factor meter", issued December 2, 1952 Gated.
- US 2691098, x, "Automatic noise figure meter", issued October 5, 1954
- US 6066953, x, "Architecture for RF signal automatic test equipment" . Teradyne. Network Analyzer?
- US 4905308, x, "Noise parameter determination method"
- US 5434511, x, "Electronic microwave calibration device"
- US 4858160, x, "System for setting reference reactance for vector corrected measurements"
- US 3209279, mumble, "mumble"
Directional bridge[edit]
- US 6690177, Dalebroux, Donald J., "Frequency selective improvement of the directivity of a return loss bridge", issued September 4, 2003 . Hand draw figures. Improve directivity. Tektronix.
- US 5150063, Burkhardt, Wolfgang & Klaus Danzeisen, "Bridge for Measuring the Reflection Coefficient", issued September 22, 1992 . Rhode-Schwarz.
- US 5121067, Marsland, Robert A., "Directional Sampling Bridge", issued June 9, 1992 . Stanford University. 100GHz.
- US 4588970, Donecker, S. Bruce & Julius K. Botka, "Three section termination for an R.F. triaxial directional bridge", issued May 13, 1986 . Hewlett-Packard. Earlier of 4720677.
- US 4720677, Donecker, S. Bruce & Julius K. Botka, "R. F. Triaxial Directional Bridge", issued Jan 19, 1988 . Hewlett-Packard
- US 4816767, Cannon, Wayne C. & John T. Barr IV, "Vector network analyzer with integral processor", issued March 28, 1989 . VNA. Hewlett-Packard. Also use FFT to get time domain. 8510?
- US 4244024, Marzalek, Michael S. & Lynn M. Wheelwright, "Spectrum analyzer having enterable offsets and automatic display zoom", issued January 6, 1981 . Spectrum analyzer. Older VNA? Hewlett-Packard. Was cited in US 4816767.
- US 4013949, Ice, George E., "Return Loss Test Set", issued March 22, 1977 . doubled bridge? GTE Automatic Electric Lab.
- US 4962359, Dunsmore, Joel P., "Dual directional bridge and balun used as reflectometer test set", issued October 9, 1990 . Test set. 300kHz to 3.0GHz. Hewlett-Packard.
- Empty citation (help)
Directional coupler[edit]
- Empty citation (help)
Spot welding[edit]
It's a small world. I was looking at spot welding, and someone provided a early Popular Mechanics article that made me wonder who invented spot welding. A long time later, I'm looking at oscillators and come across Elihu Thomson with a singing arc -- something I'd heard about in my youth. Then I find out he invented resistance welding:
- US 347140, Thomson, Elihu, "Apparatus for Electric Welding", published 29 March 1886, issued 10 August 1886
- US 451345, Thomson, Elihu, "Method of Electric Welding", published 14 June 1890, issued 28 April 1891
- Thomson proposed transformers, batteries, and dynamos for the high current source in the first patent.
- hobbyspotwelders has some information in its "Spot Welding" menu.
- Sunstone Engineering has a technical resources page on its website. It also has some videos showing some spot welding being done.
- The Poor Man's Battery Tab Welder describes a jury rigged capacitive discharge spot welder suitable for 3 mil thick Nickel ribbons.
- HP Forum Archive 09 has a discussion of spot welding batteries and spot welding schedules.
- Miyachi Unitek website has many technical resources available from its home page.
- Power Supply Designed for Small-Scale Resistance Spot Welding discusses weld nugget quality control.
- US 2077600, Watson, G. W., "Welding by the Charge of a Condenser", issued September 3, 1936 . A capacitor (aka condenser) is used to limit the energy delivered during a spot welding operation. Capacitor is charged rather than discharged. Goal is delicate work.
- US 2184627, Watson, G. W., "Dual Current Condenser Welder", issued July 15, 1937 . Second condenser is discharged into the weld. "I have discovered that the weld is considerably improved if a second condenser is provided and connected in such a manner that it discharges into the weld...."
- US 2428390, Smith, C. G., "Welding System", issued April 26, 1945 . Capacitive discharge with mechanical energy storage and step down transformer. Goal is high peak powers.
- US 2942214, x, "Long-Lived Impulse Transformer", issued March 7, 1957 . Construction details for welding transformer.
- US 3050618, Fischer, M. N., "Portable Spot Welding Tool", issued July 13, 1961 . Capacitive discharge spot welder with stepdown transformer. Goal is delicate work.
- US 3211885, Fischer, M. N., "Spot Welder", issued June 28, 1962 .
- US 6756558, Salzer, T. E. & et al., "High Current, Low Impedance Resistance Welding Device", issued June 29, 2004 . Goal is welding seams that have a resistance in the 1 to 100 micro-ohm range.
Google maps and street view.
Revolutionary War Battles[edit]
Various campaigns in book.
Pegasus Bridge[edit]
Military plants[edit]
Iowa. Read National Park Service description of Wabash River Ordinance Works, a WWII RDX plant. (MacDonald and Mack Partnership 1984, p. 21) To collect water, six Ranney collectors were built near the Wabash river. (MacDonald and Mack Partnership 1984, p. 21) These collectors can be found in aerial views.
Unusual drains?
- MacDonald and Mack Partnership (August 1984), Final Properties Report: Newport Army Ammunition Plant (PDF), AD-A175 818, National Park Service
Van Gogh's Starry Night Over the Rhone. The actual painting is spectacular.
Van Gogh's Yellow House (painting). Yellow House was destroyed during WWII, but neighboring building is still there. Railway bridge in the distance is also still there, but disused and overgrown. Detail in stone work matches.
Van Gogh's railway bridge. Looks like bridge is updated.
Genetic algorithm[edit]
Not a controversy, but I requested deletion of an article by User talk:PowerGDS. That request was promoted to speedy deletion and a challenge to the user name. User added another article, and I requested speedy deletion. Articles deleted and user permanently blocked.
Article notability[edit]
- I proposed deletion for
- Compressed air battery
- Software GNSS receiver, prod and speedy 23 January 2011 (User talk:Cardinalem)
- Databaseless design
- Triangulating Sort
- Joe Dan Mills Elementary School; moved material to Austin Independent School District
- SpiderGraph chart; I removed prod when author objected, but then WP:Articles for deletion/SpiderGraph chart
- This topic was long and involved.
- AfC (I didn't participate)
- RfA brought article to my attention
- User talk:GregLChest
- User talk:Glrx/Archive_2#WP:Afd/SpiderGraph chart - WP:Requests for Adminship/Mabdul/Question #5
- User talk:Glrx/Archive_3#The 4/24 Deletion of the SpiderGraph chart article
- User:Shearonink is a saint: User talk:Shearonink/Archive_3#Help with Deleted SpiderGraph chart article
- This topic was long and involved.
- Arsenal Firearms 2011A1; double barreled M1911; new product
- Safaba Translation Solutions; WP:CORP (Also UAA User:Safaba) .see User talk:Udih
- ExactScan; article primarily edited by SPA User:Many Tries and 184.108.40.206; geolocate identifies latter as recent forum spammer (see, for example, 22 September 2011 comment at bottom of freecode project claiming open source project is just trial version of commercial product without open source); ExactScan, ExactImage, and René Rebe are common topics.
- Pope John Paul II Elementary School; October 22, 2012; topic came up in User:Writ Keeper's RfA; (now links to school district)
- Chalanam February 23, 2013; article by User:Nandakumar96 (article was deleted; now a redirect for alternate spelling of another article)
- Accessaphone February 27, 2013;
- Alderon Iron Ore Corp. November 9, 2013
- Pulsonix April 21, 2014; hmm, confused. Deleted and then recreated on 13 May? Survived Ad Orientem's 12 June Wikipedia:Articles for deletion/Pulsonix
- Bond sequential search on August 10, 2014
- Network Time Foundation on November 5, 2014; apparent efforts of marketing company for client NTF
- Redirects
- Hyperactive optical pointer extension CSD/A10. Article copied 90 minutes after WP:Articles for deletion/Hyper Optical pointer extension was opened.
- Also requested deletion of three related images on Commons.
- Talk:Hyperactive optical pointer extension CSD/G8. Talk page created after above was deleted under CSD/A10.
- Some en.WP images were uploaded to cover first two above, so I CSD/F8
- File:Hyper optical pointer extension Black Gold Certificate.jpg
- File:HOPE Commercial Certificate.jpg
- Some en.WP images were uploaded to cover first two above, so I CSD/F8
- WP:Folded Reed-Solomon Codes moved article in wrong space then CSD/G6
Link additions[edit]
I've been reverting links to online barcode utilities that don't have encyclopedic content. Then I came across User:COIBot and a wonderful report:
There was some issue with an editor adding NBR publications. Where was that?
- EL insertion resurfaces as User:Kickinpants; see [5]; should check user's contribs
Sorting algorithms[edit]
JK browser issues.
User:Sven nestle2/Perfect Sort / Triangulating Sort from June 2011 (see Talk:Sorting algorithm#Perfect Sort / Triangulation Sort) has apparently returned as Head sort in October 2013. Another editor prodded it.
Blocks are preventative, not punitive.
- When discussing DAB for Ultra, User:Username1234567891011 moved the pages in the middle of the discussion. His user page showed some other problems. While considering whether to talk or report (learning about article renaming policy), the user was indef'd.
- Action happened during Talk:Ultra (disambiguation)#Requested move
- He noticed and removed this comment.
- * Heyitsme24 (talk · contribs · deleted contribs · logs · edit filter log · block user · block log) edited my user page[6] to remove comment about blocked User:Username1234567891011. His username is similar to also blocked User:Heyitsme22 who claims to be Username1234567891011 at [7].
- User:username1234567891011 sockpuppeteer
- sock User:Heyitsme22 blocked
- sock User:Heyitsme24 blocked
- User:a1computers blocked
- User:123alleyezonme sockpuppeteer
- User:maggieblackstorm86 blocked
- Special:Contributions/22.214.171.124
- Special:Contributions/22.214.171.124
- Special:Contributions/18.104.22.168
- Special:Contributions/22.214.171.124
- User:username1234567891011 sockpuppeteer
- * Heyitsme24 (talk · contribs · deleted contribs · logs · edit filter log · block user · block log) edited my user page[6] to remove comment about blocked User:Username1234567891011. His username is similar to also blocked User:Heyitsme22 who claims to be Username1234567891011 at [7].
- He noticed and removed this comment.
- Action happened during Talk:Ultra (disambiguation)#Requested move
User:Circuit dreamer[edit]
Well intentioned editor continually inserts his viewpoint into electronics articles.
It's a sad case because an intelligent editor did not understand the community's concerns. He was banned from editing electronics articles.
- Long and complicated. I made mistakes and learned about some esoteric copyright issues.
- WP:Featured article candidates/Pi/archive1
- Anonymous photographer takes passport photo ca 1919; later published in 1938.
- Indian stamp made in 1962 derived from passport photo. Indian law sets copyright.
- File:Ramanujan the mathematician.jpg appears in July 2013
- Long and complicated. I made mistakes and learned about some esoteric copyright issues.
- Three images in article were copied from a book. I nominated for deletion on Commons. Contributor claimed to be the author of the book, but did not know whether he still held the copyright. Files deleted after a long time.
- Shortly after deletion, two images returned under different names.
- Those were deleted on Commons. A third set showed up on October 14, 2012
- Subic Bay Metropolitan Authority tagged as possibly from sbma page
- Article later recreated as a stub. (July 2014)
- Other
- Automated software testing using Neural Network Approach (prod by somebody else; I deleted content; another CSD G12'd)
- Commons:Commons:Deletion requests/File:Model innsta basic.jpg 16 December 2013
- NEET's Sort I db-copyvio 16 December 2013
- Commons:Commons:Deletion requests/File:Neet left.jpg
- Commons:Commons:Deletion requests/File:Right pass neets.jpg
- http://www.tek.com/manual/manuals-download-agreement old Tektronix manuals may be published 27 june 2015
- (where is this link?) HP manuals may be published
- http://copyright.gov/circs/circ40.pdf Public display is not publication
- Hall of Fame Plaque Postcards published before 1977 did not carry copyright notice, so they are in public domain File:HOF Berra Yogi plaque.jpg
- Took a long time to find image showing back of 1972 cards -- has registered trademark but no copyright notice
- Some websites suggest copyright notice
- http://www.justcommons.com/index.php?dispatch=categories.view&category_id=1518 states
- In 1939, when the National Baseball Hall of Fame and Museum was officially opened, there were special Hall of Fame postcards picturing honored members. Various publishers have been utilized over the years to produce cards for the Hall of Fame. One set we have listed was issued in 1995 and is complete for all players inducted through and including 1995 except for Sam Thompson. The other set is the latest just released this year which has all inductees to 2009. Each card is a photographic reproduction of the member's official Hall of Fame plaque. The back is in standard postcard format and contains player name, year of election and electorate, date of printing, the manufacturer (Mike Roberts Color Productions in nearly every case) and copyright information on the National Baseball Hall of Fame & Museum. Note: a sampling of three cards are pictured.
- http://hofplaques.com/ (Dexter Press for one year)
- http://www.justcommons.com/index.php?dispatch=categories.view&category_id=1518 states
- Tektronix http://www.tek.com/manual/manuals-download-agreement
- HP/Agilent ???; here's permission to an individual: http://www.hparchive.com/hp_links.htm http://www.hparchive.com/images/Permission_Document.pdf
Technical bitmaps: PNG v. SVG[edit]
SVG is poor format for technical bilevel bitmaps such as QR code. Fundamentally, the images are bitmaps; they have no slanted or curved lines; bitmaps can be scaled. SVG may offer some advantage with metadata, but the SVG files are bloated compared to PNG. Discussion at WP:SVG help#SVG versions of technical bitmaps. I reverted to PNG pix at QR code and da:QR Code.
These images on Commons should be removed:
- Commons:File:Qr-1.svg
- Commons:File:Qr-2.svg
- Commons:File:Qr-3.svg
- Commons:File:Qr-4.svg
- Commons:File:Qr-code-ver-10.svg
What to do?[edit]
I'm not directly involved, but this unblock request is a difficult case. Generally, if somebody requests and unblock and there is minimal support, then they are unblocked with a second chance. Initially, I thought an unblock would be a good idea because three admins supported it. I initially voiced my support, but I also wrote down some ideas that troubled me. Those comments gnawed at me, so shortly thereafter I reversed my opinion. It didn't feel right to support an unblock with so many issues even with the supporters. Turns out, the request was also difficult for one of the supporters: see this edit.
For Network analyzer
Old Systems[edit]
Look at old systems. Broadband (noisy) detectors.
8405A Vector voltmeter. Harmonic mixer in probes. Works from 1 MHz to 1 GHz.
VTO is 0.98 MHz to 2.00 MHz. (8405A page 4-5.) The VTO is swept from high to low to find the highest possible sampling rate. There is a "sideband identifier" circuit to make sure that lock is on a multiple of the VTO that is 20kHz below the input frequency.
Probe mixer provides 20kHz IF. (8405A page 4-1.)
8407A 100kHz to 110MHz? Uses 8601A sweeper that also provides a VTO signal that is 200MHz above the output signal. The 8407A uses a PLL to get generate a LO signal that is 277.778 kHz below 200MHz. That LO signal mixes with the inputs to get a 277.778 kHz IF. Page 4-1 and 7-7.
8410B network analyzer uses the 8411A harmonic mixer. Input drive to harmonic mixer is 62 to 184 MHz. Mixer output is 20.278 MHz. (High side or low side? How does 8410B determine above/below?
- ref channel -18 to -35dBm (ref channel gets a strong signal)
- test channel -10 to -75dBm
Dual AGC system. Operate range.
Management of the harmonic mixer. In the simple case, user selects a harmonic range (adjusts PLL loop gain to keep good linear control). As long as the sweep range stays in the same harmonic, there isn't much trouble. Phase lock. Must shift harmonic when VCO tune voltage hits a rail. 8410B outputs a SWEEP STOP signal that tells the signal source to pause its sweep. Meanwhile, the 8410B can blank the output and lock onto a new harmonic. 8410B relies on the signal source providing a voltage that indicates the current sweep frequency -- a voltage of 1 volt per GHz. When in automatic mode, the 8410B digitizes this voltage to determine the appropriate harmonic number. Better explanation would intoduce automatic mode above. Should also state that both the signal source and the 8410B must worry about bandswitching.
The result is the harmonic mixer supplies a first IF of 20.278 MHz.
A second mixer in the 8410 mixes the first IF with 20 MHz to get a 278 kHz second IF. The 8410B provides a reference channel, a test channel phase output, and a test channel amplitude output. These signals are processed by some display units. The 8410B has some phase and amplitude controls. 90°ree; phase. 0 to 69 dB step attenuator.
Display unit[edit]
The 8412A amplitude and phase indicator. Amplitude detection uses test channel phase to synchonously detect the test channel amplitude signal. Phase detection is done by squaring the reference and test channel phase signals and then doing a multiply and filter operation. An inverter supplies a 180°ree; phase shift. Finer phase offsets are done with time delay circuits (since the IF frequency is fixed at 278 kHz, a time delay maps directly to a phase shift).
The 8413A phase gain indicator. Just meter output.
The 8414A polar display. The reference channel is amplified and used as a square wave to drive mixers. (Is the reference phase shifted or the test signal?) Mixer outputs are filtered to get signals proportional to the sine and cosine. They drive the y and x axes of a CRT to produce a linear polar display.
The 8750A storage normalizer can be used to subtract out errors.
Test set[edit]
There are several tests sets to cover different frequencies.
Directional coupler at 10 percent bandwidth.
Multispaced designs for an octave bandwidth.
Dragon tooth designs for a decade.
Transmission line transformer designs for low end?
- 8740A transmission test unit
- 8741A reflection test unit, 0.11 to 2 GHz
- 8742A reflection test unit, 2 to 12.4 GHz
- 8743A reflection transmission, 2 to 12.4 GHz
- 8745A S parameter, 0.1 to 2 GHz
- 8746B S parameter, 0.5 to 12.4GH
Newer systems[edit]
- 8510C. Input to the network analyzer is from the test set. A first LO in the test set downconverts to a 20MHz 1st IF. That 20MHz IF is downconverted to 100kHz 2nd IF. That is digitized. The 8510C passes the samples to be displayed and processed. Tricky part is the 20MHz IF. The VTO is pretuned (with phase detector disabled) and stepped to find the appropriate sideband. (3-19.) A phase lock learn mode is used to speed initial tuning of the VTO. (3-20.)
- Test sets are 8511, 8514, 8515, 8517B (45MHz to 50GHz), 85110. Sampler based test sets and mixer based test sets. (from 8510C, 3-5.) VTO and mixers are in the test sets, so all microwave frequencies are contained. It also permits one network analyzer to control several test sets (but just one at a time) because except for the RF drive, only low frequency signals (such as the 20MHz IF signals) need be multiplexed.
- sampler has 3MHz BW.
- 50 to 300MHz VTO. VTO harm is 20MHz greater. (3-7.) LO-RF = IF.
- mixer can be wider
- 85102 is IF and Detector
- 85101 is processor and display
- sampler has 3MHz BW.
- 8407A Network Analyzer Operating and Service Manual, 08407-90038, December 1971, url=http://cp.literature.agilent.com/litweb/pdf/08407-90038.pdf


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Tata to start producing new Zest and Bolt next quarter
The two new Tata cars, Zest compact sedan and Bolt hatchback made their debut at the 2014 Delhi Auto Expo in February. Though Tata did not reveal the launch date for these two cars, they did confirm that both of them will be launched in India in the coming months.
Based on the X1 platform, new Bolt and Zest will be offered in a choice of petrol and diesel engine options. Petrol engine will be in the form of Tata's new 1.2l Revotron engine that generates 85 PS power and 140 Nm torque. For diesel, it will be the trusted Fiat 1.3l Multijet which will do the duty on both, Zest and Bolt. Apart from this, AMT option will also be on offer for diesel Zest sedan, making it countries first sedan to feature AMT.
A lot of research and effort has been involved in the design and development of the Zest and Bolt. Inputs from Tata's design centres in Pune, Coventry (UK) and Turin (Italy) have been taken while developing the two new Tata cars. Featuring all new grille, LED headlights, dual tone premium interiors, ABS, Airbags, HARMAN infotainment system, 5-inch touchscreen for navigation, multimedia, and phone integration, the two new Tata cars are very much awaited by car buyers in India.
Source Economic Times
Sagar Patel
Email - [email protected]


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http://www.BasketballCrusher.com - Check out the FAMOUS Basketball Crusher March Madness System for FREE!
This video shows you how you can get all the march madness winners for this years tournament.
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"vote or shut up": invitation to Communicating Arts Group Board election1993
- MiresBall
- John Ball
Contributed by Stephen Coles
Staff Pick
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Herman Miller ads for George Nelson Designs, 1948–501949
- Irving Harper
Contributed by Stephen Coles
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Arenal Country Inn
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TravelPod Member ReviewsArenal Country Inn La Fortuna
It had a pool that I didn't get around to using but others were sure enjoying, hot water once you figured it out, friendly and helpful reception and cleaning staff. Don't know about price because it was included in the tour. Also included a fridge. A down side was that if you wanted ac you had to pay for it but we didn't need it so it didn't matter.
This review is the subjective opinion of a TravelPod member and not of TravelPod.com.
TripAdvisor Reviews Arenal Country Inn La Fortuna
Travel Blogs from La Fortuna
Pura Vida!
Happy birthday Momma! But I think we might need an arc to get out of here cause it hasn't stopped raining at all. This morning as we get ready to go the guide Pamela gives us the heads up that if the roads are too bad we might have to walk for portions of the trip and if it's really bad carry our luggage too. Not a problem with me except that I'm a …
The formidable Cerro Chato
... by myself at the back of the pack because I feel like I'm being judged by a herd of cows. They don't approach though. The climb starts to get a little more difficult as we head higher above the pasture. The path looks like vertical muddy steps. I am winded after the first 20 minutes. Our guide gives us directions before we leave the pasture and head into the lush rainforest. "If you trip, us your walking stick to catch yourself. Don't grab the trees ...
Roaming in the Rainforest
... rainforest and provided a perfectly clear view of the Arenal volcano which from what I gather is not that common.
The guide, Fernanda occasionally would pick some berries or fruits and allow us to smell them. One in particular had a rich citrus smell. The advantage of having the guide was that they know what is safe to pick and touch. Obviously in a rainforest there are some things which could cause you serious health problems. In fact she pointed out one ...
Bumpity Bump to the Monteverde Cloud Forest
... Some places were very dark and other places were more open where trees had been blown over by strong winds. At the end of our hike we went to the hummingbird garden where we saw an olingo which is in the raccoon family. It was crawling around in the trees around the feeders trying to figure out how to get to the hummingbird nectar. We were standing by the feeders, so it gave up. The hummingbirds were zooming in ...
Project Asis & Arenal Hot Springs
... it.
Then we got to prepare for feeding the animals. That meant we got to cut up fruit and vegetables. I wasn't too thrilled about it at first, because I don't cook. Meaning I don't like to prepare food. But it was actually kind of fun, and I ended up only slicing bananas. Apparently I looked like I knew what I was doing, though, because Carlos asked if I cooked a lot. I think I was just trained well as a child :) It reminded me of slicing tomatoes for taco salad.


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Simply one of the most beautiful books done on a bird subject. And the stories about the making of this amazing are incredible all on their own. Read morePublished 2 months ago by Improv bass 4
Loved it!! The full page close ups of the birds are incredible!!Published 5 months ago by Linda Eakins
Our photographer nephew was very pleased to receive this as a holiday gift. It is indeed beautiful.Published 5 months ago by Bernice Eubank
Amazing photographs. I gifted this book to my sister who studied zoology and absolutely loved how the book covers the intimate lives of these incredible birds. Read morePublished 6 months ago by Srivats Ram
What a wonderful book on these fascinating birds! The video produced by the same authors along side with this book is a good adjunct, but the book provides more in depth in... Read morePublished 7 months ago by Kitty kat
Beautiful book. Like a coffee table book. I ordered this for a child's science report at school, but will end up leaving it out. Beautiful, hardback coffee table quality book.Published 8 months ago by alh


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SD Images Photographer
Veronica SunModel Female Los Angeles, California, US My MM URL: http://www.modelmayhem.com/veronicasun
Mayhem # 1677827
About MeHi There I'm Veronica! I'm not here for dating. I simply hope to meet great professional photographers to better out portfolios. I believe for every woman, there is a beautiful inner model who wants to be photographed.
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Nathan Bowe
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The general election is Tuesday, and all four major school districts in Becker County have candidates on the ballot, as do most cities. Lake Park-Audubon voters will also decide the fate of a building bond referendum. There is a race for Becker County Board, and for Otter Tail County Board, as well as for Soil and Water Conservation District Board. Area voters will help choose three Minnesota House members, a U.S. House member and a U.S. senator, as well as judges at several levels, and of course the U.S.
A new high school for grades 7-12 in Lake Park, and a renovated and expanded elementary school in Audubon -- that's the proposal that Lake Park-Audubon School District voters will either approve or reject in the general election Nov.
With Roses from Rotary, you can get in good with a loved one, and do something nice for young people at the same time. It's simple: You buy a dozen roses from the Detroit Lakes Morning Rotary Club for $16, and your money helps pay for things like scholarship programs in Detroit Lakes and Frazee, playground equipment, library books, an Internet leadership program, the Boys and Girls Club, and reading programs at local elementary schools. With more than a thousand dozen roses purchased each year, "we could have a miniature Rose Bowl Parade here," event co-chairwoman Sue Braun said with a la
Seven candidates are seeking three seats on the Lake Park-Audubon School Board. The top three vote-getters will win four-year terms. Two newcomers will be elected for sure, since current board members Rick Olson and Lori Bartunek did not file for re-election. In alphabetical order: Name: Bryan Anderson Age: 39 Occupation: farmer Family: Wife, Dawn; children Maegan, 13, Clay 10, and Jacob, 8. Home: Rural Lake Park (Cuba Township) Q: Do you support the school district's plan for facilities? If not, what do you think should be done? A: "I do support the school district's plan.
Does Lake Park-Audubon really need a new school? Who truly cares about the students? How can academic programs there be improved? Candidates for the Lake Park-Audubon School Board discussed these and many other issues at a candidate forum Wednesday. Incumbent Dale Binde is joined in the race by challengers Bryan Anderson, Dan Hughes, George Kohn, Monica LaPoint, Darrel Pederson and Carmen Walter. The top three vote-getters will win four-year terms on the school board. The 150-seat high school theater was packed for the event.
Whoever said 'don't look a gift horse in the mouth' was not at the Lake Park-Audubon School Board meeting Monday. Several prominent 'no' voters in the audience lambasted superintendent Dale Hogie over a clause in which Loren Jettvig would get paid for his gift of 53 acres, if the school district builds a new school there, but for some reason isn't still using the land in 20 years. Jettvig, a Lake Park farmer and developer, has agreed to give the LP-A district land for a new grade 7-12 school. If the clause was ever exercised, Hogie explained, "essentially, we'd be paying for the land tha
The law firm of Sprenger and Land says it has filed a civil rights class action lawsuit in U.S.
Detroit Lakes officials hope to implement a "whistle-free zone" on the Burlington Northern Santa Fe railroad corridor by the end of the year -- but that timeline depends on how negotiations go with the railroad and the Federal Railroad Administration. "We're going to silence the train whistles, 24 hours a day, seven days a week, from County Road 54 by Hidden Hills ... they'll start again by the Airport Road," said Detroit Lakes community Development Director Larry Remmen. "That's a pretty good stretch," he added.
Republican House 10B candidate Mark Murdock of Ottertail said he would work across party lines to get things done, while attempting to hold the line on taxes, while Republican House 9B candidate Dayna Olson hewed a consistently conservative line, as the two appeared at a candidate forum Tuesday in Detroit Lakes. DFL Reps.
There was some of the usual back and forth between 'yes' and 'no' votes, but also some surprising comments from those attending an information meeting in Cormorant Thursday on Lake Park-Audubon's proposed building bond referendum. "I voted twice against the referendum, because I though it was excessive," said Bob Leiseth of rural Lake Park. "If we defeat this bond issue this time and we split up into other districts -- I guarantee you'll pay double in taxes what you do right now." About 65 people attended the meeting, the second of three held by the district prior to the Nov.


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How can you hear James Gunn, Chris Pratt and Kevin Feige talk Guardians of the Galaxy this weekend? When can you see a Captain America double feature? What's revealed in three new clips from The Amazing Spider-Man 2? Want to learn more...Show More Summary
Mike Florio and Jon Ritchie discuss where free agent "wild cards," like Lofa Tatupu and Jon Beason, may end up next season. Jon Ritchie says his biggest wild card is Tatupu because he is coming off of double knee surgery and a torn pectoral which has kept him from playing for the past three seasons.
They've done so at nearly double the rate of their FBI counterparts, often due to simple carelessness.
On Wednesday night Keri Russell graced the television screens once again as she returned to her role of KGB double agent, diguised as a mother, wife, and — in this season — a lover of her husband played by Matthew Rhys. For those of us who remember the time of the Cold War, it's always... Show More Summary
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While we mentioned Elvis's pink Cadillac(s) in passing earlier this week, we didn't provide any details. Fortunately, Clasp Garage this week posted a quick rundown and a few photos of said car. While an eight-wheeled Cadillac Eldorado might be unique, it's not the first such car with more than two axles, as we […]
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The Obama administration is accused of giving unions special treatment under Obamacare. German Chancellor Angela Merkel's Christian Democratic Union and the Social Democratic Party have agreed to the terms of a coalition agreement. Current and former U.S. Show More Summary


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Hi guys and girls,
I'm currently in Shinjuku and I'm a stone's throw from the Subaru HQ. I tried to visit today, but i can't find it in the building. Can someone take me by the hand and tell me how to get in there and find it? I've seen some other posts/blogs that show scoob enthusiasts visiting, but I'm a yankee lost in the metropolis. Well, really i'm just lost in this particular building.
I'll say a prayer to the Subaru gods on your behalf if i ever make it into the temple.


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2012 Jeep Grand Cherokee Ratings
Getting firsthand information from an actual car owner is one sure way to get an idea of car performance once it leaves the lot. Autobytel features real consumer reviews that give the unbiased experience of a car.
2012 Jeep Grand Cherokee - Limited 4x4
We love our Grand Cherokee. It is a very nice, rugged appearance and drives and feels tight and quiet. The v-6 Pentastar engine is giving us 20-21 mpg on the hwy. The Limited Edition has every accessory you could wish for.
- Recommend this vehicle to a friend? Yes
- How long have you owned this vehicle? 1 year


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Game Stats
Game Stats
W: B. Penny (11-9) L: K. Mulvey (0-3)
|2nd Inning
Whiteside singled to right, Bowker and Ishikawa scored, Rowand to second.
Velez hit sacrifice fly to center, Rowand scored.
|4th Inning
Byrnes safe at first on Penny's throwing error, Parra scored, Byrnes to third.
|4th Inning
Eli Whiteside (2) solo shot to left off Mulvey.


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I have a Masters in Wildlife Biology and now only do a little consulting occasionally. I've reengaged with photography doing both film and digital. I make several trips a year to Yellowstone and Grand Teton National Parks. I have a site on Flickr you can look at to see what I do if we get to chatting.
I really have to grasp at straws to talk about myself. Its more rewarding to hear other peoples stories. I'm convinced something in everyones life can be made into a great movie.