§102共发射极组态 扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫扫 共发射极组态的跨导纳增益 BAlb rtre re △a」L-B+rA △=0 ①a ce gm0△Vb r-(+r +r) (T型)等效电路 r-Bre e-Br [+(+) B me0 b+(1+/)rh 输出等效电路  1 e c b e c be r r r r r rr           §10-2 共发射极组态 共发射极组态的跨导纳增益 (T型)等效电路 r  b Ib re rc Ib Ic Vbe Vce ZL be b e e b ce e c e c c V rr r I V r rrr I                         0 Vce     0 c 1 me be e c e be e c I g V r r r rr r r           输出等效电路 gme0Vbe Zoe ZL Vce oe L oe me me Z Z Z g g   0   0 1 me b e ie g r rh         