3DG6D X2 IDG4CX2 +20V +24V 10k 510 I3k 51k SDG60 Ik 4.2k 50μ 泊 3AX3IEX2 +I 兰 Ik 24k 6.8k 3DG533 50 150 2x的 3.3k 39k U ce (f)
图P6-9 图P6-10
R2(β+1)b3 6-10 ff: U=IcBR, Uo=(B+D Ib3R2+Ib3 be3=IE3R2+Ib3 be xlc3R2
= = = = + + = + − i f u f f C b b b e E b b e C UU UU A U I R U I R I r I R I r I R 0 0 3 1 0 1 3 2 3 3 3 2 3 3 3 2 , 6 10 解： （ ） u0 R2 rbe3 Ib3 βIb3 (β+1)Ib3
R, (b) 图6-11
CC R G2 图P6-12 ≌m(RD‖R2),R2=b+(1+B)R ul 1+omR A12=- BR +(1+B)Rg R (Rs+R) R. Uo=l R,+R、+R Rtr+r U
f u f f S L L S f S C f S L L f C u u u b e E L u D i i b e E m S m u U U A R R R R R R R U I R R R R U I A A A r R R A R R R r R g R g A = + + + = + + = = + + − = = + + + − = 0 2 0 2 2 1 2 1 2 2 , ( ) , , (1 ) ( || ), (1 ) 1
Il A 图P6-13 1=-mB A 2(R3+r2) 2=1+ RB.U 0 R1 R yf
f f u f i i u u u u b e u U U A R U I R U I A A A R R A R r R A = − = = = + = + = − 0 9 0 1 1 2 7 8 2 1 2 1 , , , 1 , 2( )
18V 10k C A 10k 60k Us IkR 图P6-14 图H6-15
1.6 10k 20~39k 20W c 20 20g 20 33~68k 24-2 sk 390 20 100 图P6-16 R& Ucc R (a) 图P6-17
6-16 U0=lc3(R3‖R‖R),U=l3R3 6-17 RI (a a R R8+Rs+r3 6)1 R U
f e u f f C L U U U I R R R U I R A = = = 0 3 8 9 3 3 0 ( || || ), , 6-16 6-17 S f ufb S S i e C f ufa U U A R U I R U b I I R R R R R R I U U a A = − = = + + = = 0 1 0 4 3 8 5 3 8 7 4 0 ( ) , , （ ）
U e cc R 图P6-18
Ucc u0