Watkins-Johnson Company WJ-8718-19/FE Instruction Manual page 120

Hf receiver
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WJ-8718-19/FE HF RECEIVER
455 kHz IF IN
Q1-FL1
0.3 kHz
Q3-FL2
T kHz
05
U1D
0.3 kHz
SEL
U1A
1kHz
SEL
U1B
WIDE
SEL
W
BWSEL
Q2
Q4
Q6
CIRCUIT DESCRIPTION
•455 kHz IF OUT
Figure 3-18. 455 kHz Filter Switch Block Diagram
3-37

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