sajeevamaaya filter

sajeeva gadakangal, saadhaaranayaayi oru amplifier upayogichu oru electronic filter nadappilaakkunna oru tharam analog sarkyoottaan sajeeva filter. oru filter roopakalppanayil ulppeduthiyittulla amplifierukal oru filterinte chelavu, prakadanam, pravachanaatheetha enniva mechappeduthaan upayogikkaam.
oru amplifier adutha ghattatthile looad impedencine filterinte savisheshathakale baadikkunnathil ninnu thadayunnu. oru sajeeva filterinu valutho chelaveriyatho aaya inductor upayogikkaathe sankeernamaaya dhruvangalum poojyangalum undakam. prathikaranatthinte aakruthi, q (gunanilavaara ghadakam), tyoon cheytha aavruthi enniva palappozhum vilakuranja variable resistarukal upayogichu sajjamakkaam. chila sajeeva filter sarcuteukalil, oru paaraameettar mattullavaye baadhikkathe krameekarikkaan kazhiyum.
tharangal.
sajeeva gadakangal upayogikkunnathinu chila parimithikalundu. adisthaana filter design samavaakyangal amplifierukalude parimithamaaya bandwidthine avaganikkunnu. labhyamaya sajeeva upakaranagalkk parimithamaaya bandwidth undu, athinaal avaa uyarnna aavruthikalil palappozhum apraayogikamaanu. amplifierukal vaidyuthi upayogikkukayum oru systethilekku shabdam kuthivaykkukayum cheiyunnu. amplifier gadakangalilekkulla bayas karantinu dissy paatha nalkiyittillenkil chila surcuted topologykal apraayogikamaayekkaam. power handling sheshi amplifier ghattangalaal parimithappedutthiyirikku.
active filter surcuted konfigareshanukalil (electronic filter topology) iva ulppedunnu
sajeeva filterukalkku nishkriya filterukalude athe transfer functionukal nadappilakkaan kazhiyum. pothuvaaya kaimatta pravartthanangal ivayaanu
sajeeva filterukalude roopakalppana.
filterukal roopakalppana cheiyunnathinu, sthaapikkenda savisheshathakalil iva ulppedunnu
nishkriya filterukalumaayi thaarathamyam cheyyuka.
oru sajeeva filterinu nettamundakaam, ithu inputtumaayi thaarathamyappeduthumbol oru signalil labhyamaya power vardhippikkunnu. nishkriya filterukal oru signalil ninnu oorjjam illaathaakkunnu, koodaathe motham power gaine undaakilla. chila shrenikalude freekwansikalkku, udaaharanathinu audiyo freekwansikalilum athinu thaazheyum, oru active filterinu inductorukal upayogikkaathe oru transfer function saakshaathkarikkaan kazhiyum, avaa resistarukalumaayum kappasittarukalumaayum thaarathamyappeduthumbol thaarathamyena valuthum chelaveriyathumaaya gadakangalaanu, koodaathe aavashyamaaya uyarnna nilavaravum krithyathayulla moolyangalum upayogichu nirmmikkaan kooduthal chelaveriyathaanu. oru chippil poornnamaayum samyojippichirikkunna sajeeva filterukalkku eee nettam athra pradhaanamallaayirikkam, kaaranam labhyamaya kappaasittarukalkk thaarathamyena kuranja moolyangalundu, athinaal integrated sarkyoottinte vistheernnam edukkunna uyarnna moolyamulla resistarukal aavasyamaanu. sajeeva filterukalkku gattangalkkidayil nalla ottappedal undu, koodaathe uyarnna inputt impedence kuranja outtputtu impedence nalkaan kazhiyum; ithu avayude savisheshathakale uravidathil ninnum looad impedensukalil ninnum swathanthramaakkunnu. savisheshathakal mechappeduthunnathinna aavashyamullappol onniladhikam gattangal cascade cheyyaan kazhiyum. ithinu vipareethamaayi, onniladhikam gattangalulla nishkriya filterukalude roopakalppana oro ghattathinteyum muun ghattatthinte aavruthiye aasrayichulla loading kanakkiledukkanam. nishkriya filterukalumaayi thaarathamyappeduthumbol sajeeva filterukal vishalamaaya shreniyil tyoon cheyyaavunnathaakkunnath saadhyamaan. inductorukal upayogikkathathinaal, filterukal valare othukkamulla valippathil nirmmikkaan kazhiyum, mathramalla avaa undakavunna kaanthikakshethrangal ulppaadippikkukayo avayumaayi samvadikkukayo cheiyunnilla. 
sajeeva filterukalumaayi thaarathamyappeduthumbol, nishkriya filterukalkku adhika vaidyuthi vitharanam aavasyamilla. oru sajeeva filterinte amplifying upakaranangal prosess cheyyenda muzhuvan freekwansi renchilum pravachanatheethamaaya nettavum prakadanavum nalkanam; amplifierinte geyin-bandwidth uthppannam upayogikkaan kazhiyunna paramavadhi aavruthiye parimithappedutthum.

