電 話：021-39526589
網(wǎng)址：40days40nites.com
地 址：上海嘉定區(qū)嘉涌路99弄6號樓713室
還有對電信號放大的功能一般光敏三極管只引出
兩個(gè)極——發(fā)射極和集電極基極不引出
管殼同樣開窗口以便光線射入為增大光照基區(qū)面積做得很大
電 話：021-39529830轉(zhuǎn)8009
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The same window in order to
open the envelope to inination light into the base area to do much
bias the emitter junction is forward biased in the absence of light
Emitting region smaller incid
ent light is absorbed mainlybase
dark current Iceo = (1 + β) Icbo
smallsmaller than the average current through the transistor
發(fā)射區(qū)較小入射光主要被基區(qū)吸收
The current flowing through the tube
工作時(shí)集電結(jié)反偏發(fā)射結(jié)正偏在無光照時(shí)
管子流過的電流為暗電流Iceo=(1+β)Icbo(很小)，比一般三極管的穿透電流還小
021-39526589
網(wǎng)址：40days40nites.com
地 址：上海市嘉定區(qū)嘉涌路99弄
6號樓713室
旺旺
