Fm/Cw/Ssb Detector Functional Block Diagram - Watkins-Johnson Company WJ-8718-19/FE Instruction Manual

Hf receiver
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CIRCUIT DESCRIPTION
CWSEL*
FM SEL
455 KHz
IF IN
BFO IN-
1
Q1.Q2
FM SEL
U1
Q3.Q4
CWSEL
DISC T1
CR1.CR2
U2 PROD.DET.
U3A
U3B
WJ-8718-19/FE HF RECEIVER
m
U3C
FM/CW/SSB
AUDIO OUT
Figure 3-22. FM/CW/SSB Detector Functional Block Diagram.
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