2.2晶体管特性鉴别和测试.PDF

2 2.2 1. 2. 1. 2. 1. 1 2.2.1b, R×100 2.2.1aKΩ ; (a) (b) 2.2.1 2 KΩ 200KΩ - 42 - 2. “” 2.2.2 R×100 R× 1k 1b KΩ PNP b KΩ NPN b 2.2.2 PN 2.2.3 c e 2e c PNP ce100KΩb Ib ceb b 100KΩ NPN 2.2.4 2.2.5 - 43 - 2 3. 2.2.42.2.52.2.6 2.2.6 1 V V 2.2.6 R V I CE BE P2 BE B VCEVCE ≥1V VCE = 0 VCE 1V 2.2.4 2 I V ,I B CE C IB IB = 0µA10µA20µA40µA2.2.5 3 I −I I β C CEO ≈ C I I B ∆V 0 B ∆V 0 CE CE ∆I β C ∆I B ∆V 0 CE R I V ∆V o I CE CE P 2 B