LA1787M
Notes on 3D AGC (Keyed AGC)
VCC
55
58
W-AGC
DET
N-AGC
DET
+
VCC
+
90 μ A
S-meter
1
2
39
24
+
ANT
DUMPING
VS-meter
A11763
Fig. 8
? The antenna damping current from the pin due to the pin diode flows when the V2 pin reaches the V CC - V BE
level.
? The narrow AGC operates as follows.
When pin V39 > pin V24: The narrow AGC turns off.
When pin V39 < pin V24: The narrow AGC turns on.
No. 6655-28/54
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