2.8互补对称功率放大器.PDF

2.8 1. 2. 3. 2.8. 1 ν T ,T i 1 2 T3RL ν ν o i 2.8.1 T T ν 2 3 o T T R 2 3 L T T 2 3 ν Vomax=VCC/2, B ∆ν =V -V /2=V /2ν T B CC CC CC i 2 T R ν BV 2 c BE 2 CC - 71 - 2 T T 2 2 1 VCC/2 ν V −R ⋅i −ν o max CC c R BE 2 2 ν ν 2.8.2 C R ν =0 =V /2, = 4 4 i B CC D 1 V -i ·R = V -ν ,C ν ν −ν V −ν ≈V /2, R C CC R 4 CC R 4 4 c 4 D B CC R 4 CC 4 4 2 ν T ν c 4 2 B ν V 2 ,D T CC D 2 T1VccB T1 2.8.2