1. Concepts Concepts da ka'idodi na Truases
Transistor, a matsayin memba na Member of Elechistor Eleistor, yana taka muhimmiyar rawar da ke cikin da'irori.Ya ƙunshi kashi uku na asali: tushe, Emitter da mai tattarawa.Anan, muna da mai da hankali kan masu sashen NPN.Za'a iya bayyana halayen watsa watsa shirye-shiryen NPN ta hanyar daidaitawa, kewaye da haɗin da ke tsakanin gindin kuma Emterster yana daidai da didoe, kuma ana iya ɗaukar haɗin tsakanin mai tarawa da kuma hancin da aka yiwa tsoratarwa.Jin juriya game da wannan juriya ya bambanta sosai, daga fewan ohms zuwa rashin iyaka (Bude Gyara Excuit).
Kafin tattaunawa a zurfin, dole ne mu bayyana kwatancen halayyar NPN: Ic = βIb.A cikin wannan daidaitawa, IB yana wakiltar ta yanzu daga tushe zuwa Emitter, IC ne na yanzu daga mai tattarawa zuwa Emitter, kuma Β shine karancin tushen abubuwan da ke tattare da sfide.Wannan da yawa abubuwa ne akai akai dangane da tsarin samarwa, kuma darajar ita ce yawanci tsakanin dubun da ɗaruruwan.Koyaya, ya kamata a lura cewa mai tasirin ya cimma wannan tasirin amplification ta daidaita juriya daidai (RCE) tsakanin mai tara da Emitter.Lokacin da aka daidaita Rce zuwa matsanancin ƙima amma har yanzu ba zai iya cimma ic = βIb, muna kiranta da "sati" jihar ba;Haka kuma, lokacin da aka daidaita RCE zuwa babban darajar amma har yanzu ba zai iya cimma IC = βIb, ana kiran shi "yanke halin jihar.Daidai ne, trans transistor ya kamata aiki a yankin amplifiation, wato, jihar IC = βIb.
2. gini da nazarin NPN Transistor Circuit Circuit Circuit
A cikin ƙirar da'irar lantarki, aikace-aikacen yau hanyoyin yau da kullun yana da mahimmanci.Aauki da'irar fitarwa na al'ada a matsayin misali, fitarwa na yanzu ic = UC / R, inda UC tana wakiltar ƙarfin lantarki.Tunda wutar lantarki ta rage tsawon lokaci akan lokaci, raunin gargajiya na halin al'ada ba shi da akai.Koyaya, ta amfani da masu siyar da NPN, za mu iya gina Cirrukan fitarwa na yanzu.
A cikin irin wannan zane mai da'ira, daskararre halin yanzu na cajin shi ne mai zaman kansa ne.Misali, ɗauka cewa darajar ve ta da'irar shine 4.3v (ƙididdigewa azaman 5V debe), to, za mu iya gano cewa IC (mai tattarawa a halin yanzu), lase kamar yadda aka raba taSake (emitter mai tsauri).Wannan tsarin lissafin yana dogara ne akan wani muhimmin tsari: Triode dole ne aiki a yankin amplifiation, wannan shine, βi dole ne a gamsu.La'akari da cewa babban darajar β yana kan odar sau 100, watau za a iya ɗauka cewa daidai yake da iC.
3. Magani tsari na Exode Cirlit
A lokacin da ƙira da nazarin Expase Ciresor, yawanci muna bin waɗannan matakan: Farkon ɗauka cewa masu fassara IC = βIb da iC≈ie;Sannan a cire uce (ƙarfin lantarki tsakanin mai tattarawa da Emitter) bisa sakamakon lissafin) yana da ma'ana don sanin ko zato na baya gaskiya ne.Misali, ɗauka da ƙarfin lantarki a ƙasan gidan shine 10V, zamu iya yin lissafin uce don zama 5.7V, wanda bi da bi yana ba da darajar 5.7K OHMS.Wannan yana nufin ta daidaita RCE zuwa 5.7K OHMS, trans transistor na iya kula da ɗiga halin da halin yanzu na Capaca a 1ma.Hakazalika, lokacin da Capacitor Voltage shine 8V, UCE shine 3.7v da RCE shine 3.7K WHMMS, saboda har yanzu ana cigaba da divm a 1A.
Koyaya, lokacin da rundunar ƙarfin lantarki ta sauka a ƙasan wata ƙofar, irin su 3V, za mu ga cewa sakamakon lissafin Uce ya zama ƙimar ƙimar (-1.3V), wanda a bayyane yake ba zai dace ba.Wannan ya nuna cewa ko da rce saukad da zuwa 0 ohms, yanayin IC = βib ba zai iya gamsu ba.Sabili da haka, lokacin da Capacitor Voltage ya sauka a ƙasa da 4.3v, mai canzawa ba zai yi aiki a yankin amplifiation amma shigar da jakar saturation.Yana da mahimmanci a lura cewa a cikin aikace-aikace aikace-aikace, ana iya rage tsakanin mai tarawa da Emiter ba za'a iya rage su gaba ɗaya kawai ba za'a iya rage shi da kusan 0.2.Ana kiran wannan darajar mai cike da bututun wutar lantarki.
4. Aikace-aikacen SPP na PNP a Clinge Tushen Clinge
Dangantaka da masu siyar da NPN, don aiwatar da Ciron Cincatequit na yanzu, dole ne muyi amfani da masu siyar da PNP.Ka'idar aiki da tsarin transistor na PNP sun banbanta da NPN, amma yana taka muhimmiyar rawa wajen sanin Cinikin Ciniki na yanzu.A transistor na PNP, shugabanci na kwarara na yanzu ya kasance akasin wannan na difistor na NPN, wanda ke ba da sassauƙa mafi girma a cikin ƙirar circu daban-daban.