
berkhousen sthirathvam pramaanam

electronicslo, barkhousen sthirathvam pramaanam anedi leanier electronic circuit eppudu oogisalaadutundo nirnayinchadaaniki oka ganita paristhiti. dheenini 1921loe german bhouthika shaastravetta heinrich georg barkhousen (1881-1956) roopondinchaaru. idhi electronic ausilatorla roopakalpanalo, alaage opp amps vanti saadhaarana pratikuula pratispandana circuitla roopakalpanalo kooda, avi dolanalu cheyakunda nirodhinchadaaniki vistrutamgaa upayoginchabadutundi.
parimitulu.
byaak havusen yokka pramaanam feedback looptho kuudina leanier circuitlaku vartistundi. tunnell diode aasiletarlu vanti pratikuula nirodhakata kaligina kriyaaseela muulakaalaku dheenini neerugaa vartimpajeyalemu.
pramaanam yokka kernell emitante, sthiramaina sthithi dolanalu jaragaali ayithe sanklishta pounahpunya vimanam yokka oohaatmaka akshampai sanklishta dhruva jatanu unchaali. vaastava prapanchamlo, oohaatmaka akshampai samatulyata saadhinchadam asadhyam, kabatti aacharanalo sthira-sthithi ausilator anedi naan-leanier circuit
pramaanam.
sarkyuutlooni amplifying element yokka geyin "a" mariyu feedback maargam yokka badilee function β ("j" ω) ayithe, circuit yokka feedback loop chuttoo loop geyin β "a" ayithe, circuit frequenciela vadda matrame sthiramaina-sthithi dolanalanu konasaagistundani idhi perkondih
dolananiki berkhousen yokka pramaanam oka "avasaramaina" paristhiti, conny "taginanta" paristhiti kaaduh konni circuitlu pramaanaanni santrupti parustaayi conny dolanalu cheyavu. adevidhamgaa, nikevist sthirathvam pramaanam kooda asthiratanu suuchistumdi, conny dolanala gurinchi nissabdamgaa untundi. spashtamgaa, avasaramaina mariyu taginanta dolana pramaanam yokka compact suutreekarana ledhu.
tappu version.
feedback loop yokka dolana pounahpunyaalanu nirnayinchadaaniki uddesinchina barkhousen yokka asalu "sweeya-utsaaham kosam suutram", samanatva gurtunu kaligi untundih |β "a"| = 1. aaa samayamlo sharatulatho kuudina sthiramaina naan leanier vyavasthalu sarigga ardham kaaledu; idhi sthirathvam madhya sarihaddunu istundani vistrutamgaa nammutaaru (|β "a"| <1) mariyu asthirata (|β "a"| ≤1), mariyu eee tappudu samskarana saahityamloki pravesinchindi. ayithe, "sthiramaina" dolanalu samaanatvam unna pounahpunyaala vadda matrame sambhavistaayi.

