PRC-41 3d IF AMPLIFIER
feb 2018 / kb
+ AVC
1k8
2k7
4k7
12k
220
12k
4k7
6k8
6k8
3k3
68k
10k
2.2uF
270
1k
1k
Q1
3N35
Q2
3N35
Q3
2N2219
Q4
2N161
3
Q6
2N2905
500kHz
2k7
15k
1N483
8k2
10uF
+15V
1n
220p
1n
220p
0.5mH
4k7
4k7
2k7
1mH
1mH
100
560
560
Input
24.5Vdc
4k7
2.2uF
4.7uF
NOISE
LIMITER
CONTROL
10k
20k
2u2
2u2
2u2
2k2
100k
220
150
12k
Q5
2N2219
Q10
2N2905
Q9
2N1613
Aux audio
auto relay
reserved for
squelch
disable
Q7
2N2905
+24.5V on Rx
- AVC
DELAY
5k
4k7
1k5
-6.8V
- AVC
SQUELCH
3k3
5k
100
°C
K1
K1
1uF
Audio
1k
13
14
3
7
11
12
8
15
5
1
6
J1
22k
0.1uF
10uH
50k
82k
