用单片机做的PLL(DDS),无线收音机

fm-transmitter(单片机做的PLL）5

4

3

2

1

U20C
D

U20D 6 9 8 74HC04 U22A 1 4069 2 R107 20K 3 4069 R108 82K U22B 4 1 2 3 R109 10K C83 2200P R110 82K C84 1000P R111 43K R112 82K U22C 5 4069 C85 390P R124 82K U22E 12 4069 C89 2200P C88 100P R117 10K R118 82K C90 1000P R119 43K 11 4069 C91 330P +5V U23 X9511 +5V 1 2 3 4 5 6 7 8 NC0 NC7 NC1 NC6 CLK IN VV+ DPO AGND DPI OUT NC2 NC5 NC3 NC4 MAX292 +5V R126 10K R127 10K
B D

5 DATA LED 10 74HC04 R101 1K R102 10K 1 DATA-IN 3 2 1 U21A 3 MC1489A MC1489A C86 2200P 4 J3 U20E 11 CON3 3 2 1 DATA-DC

74HC04

6

R113 10K

J6 CON3

+5V

U21B 6 R114 82K C87 1000P R115 43K

R116 82K U22F 13

R120 82K 10 R121 10K C92 2200P R122 82K C93 1000P R123 43K

U22D 9 4069 C94 100P 8

C

C

J4 R103 10K 13 U21D U21C 11 MC1489A PTT DATA1 LED 5V R105 1K 12 U20F 74HC04 13 Q13 NPN BCE 10 8 MC1489A R104