调幅接收机设计(10)

+3v R4 3 k

B2 R8 * R5 2 0K C1 1 5 10 u F C1 5 5 10 B3 D3 1 5K C1 0 3 .9 u F D2

2 AP9

B1 T2 D4 R3 7 5K R1 5 .1 k R7 5 .1 K C9 3 0u F C1 3 0 .0 2 2u F 5 10 u F C1 4 2 .2 u F C6 3 DG20 0 T3 3 DG20 0

C1 6 0 .0 1 uF

R1 0 4 70

C1 7 0 .0 2 2u F

L1

L2

T1 3 DG20 0

C1

C2 C8 C4 C7 0 .0 1 uF 7 /2 7 0p F 7 /3 0 pF L3 3 00 R2 1 .8 k C5

7 /2 7 0p F 5 /2 0 uF

18C2 0 1 0u F/1 0 V C2 1 C2 4 1 00 u P/1 0V 4 14 1 3 LA41 0 1 5 6 C2 6 4 70 u F/1 0V 4 7u F/1 0 V C1 8 1 0u F/1 0 V 1 0 1 2 13 9 C1 9 2 2u F/1 0 V C2 2 Rf 1 00 Ω 5 0p F C2 3 5 60 u F

C3 0 .0 1 uF

R9 4 .7 K

+3V C2 5 2 20 u F/1 0V

调幅接收机的原理图