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27 雙極性電晶體(BJT)若工作在截止區時:(A)基射極接面、基集極接面都順偏 (B)基射極接面順偏、基集極接面逆偏 (C)基射極接面逆偏、基集極接面順偏 (D)基射極接面、基集極接面都逆偏
問題詳情
27 雙極性電晶體(BJT)若工作在截止區時:
(A)基射極接面、基集極接面都順偏
(B)基射極接面順偏、基集極接面逆偏
(C)基射極接面逆偏、基集極接面順偏
(D)基射極接面、基集極接面都逆偏
參考答案
答案:D
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下圖為BJT 個別區域關係圖截止區為B-C逆偏,B-E逆偏。
上一篇 :
26 下列何種放大器組態有較顯著的米勒效應?(A)共閘極放大器 (B)共集極放大器 (C)共基極放大器 (D)共源極放大器
下一篇 :
28 矽雙極性電晶體(BJT)工作在飽和區模式時,其基射極之間的電位差約為:(A)0.2 V (B)0.3 V (C)0.7 V (D)1 V
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