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RT-695A / PRC-41 Guard Receiver (A7)
28 feb 2018 kb
1k
15k
22k
3k3
4k7
1k
15k
22k
3k3
4k7
1k
15k
22k
3k3
4k7
1k
15k
12k
3k3
4k7
1k
15k
22k
3k3
4k7
+19V
+19V
+19V
+6.2V
J2
J1
-1.85V
20.56 MHz
243 MHz
Q1
2N917
Q3
2N918
Q5
3N35
Q6
3N35
Q7
3N35
Q8
3N35
Q9
3N35
Q2
2N918
Q4
2N917
1k
1k
1k5
10k
10k
22k
2k2
2k2
2k2
1N231
1N616
Q11
2N329
Q10
2N916
Q12
2N718
1N753A
6.2V
1N753A
10k
220R
R52
100k
12k
2k2
10k
10k
1k8
4k7
Q14
2N697
1k
2k7
1k
R46
Audio
output
9
+27V / 50mA
input
6
Tuneable from 239 – 248 MHz
222.44 MHz
111.22 MHz
doubler
2k2
33
1N3027
3
22uF
1k
150k
10k
2.2u
4.7u
47p
1500p
2p
0.5p
2p
0.33
.33
1N457
47
1n
10n
18p
18p
18p
18p
18p
10k
squelch
10k
220R
R53
2.2u
1nF
10uF
12k
12k
82k
15k
2k2
1uF
0.1uF
10k
Q15
2N329
Q13
2N706
4k7
4k7
10n
180p
1N751A
20p
2p
6p
4k7
3k3
10n
10n
10n
+26 V
1
6
7
10
out
10p
27p
15k
AGC
10n
100k
4k7
+6.2V