Watkins-Johnson Company WJ-8718-19/FE Instruction Manual page 141

CIRCUIT DESCRIPTION
WJ-8718-19/FE HF RECEIVER
3-58
BAND
WIDTH
LATCH
UB
DATA/
ADRS/
CTRL
DET MODE
a ASC
LATCH
US
D/A
U23.U24
^JJPJU^
BUS
TRANS
CEIVER
uto
K
ADDRESS
LATCH
AND
DECODE
US, UII.UI2
% •
^
A/D
U2B
7
AUDIO
SWITCH**)
LOCAL/
REMOTE
AND
SQUELCH
U2I.U22,
UIS
Figure 3-28. Synthesizer Interface/Memory Block Diagram
TO
IF
TO
FRONT
FANEL