Synthesizer Interface And Memory Board, Simplified Block Diagram - Watkins-Johnson Company WJ-8718A/MFP Instruction Supplement

A~-A7
~ ~
ADDRESS ROM RAM
~
LATCH
UI
a
U2 U3
~ BTl
U5
""---
j ..
~ j ..
~ j ..
~
BI-
,.
~
DIRECTION-
v
r
AL
ADg- AD7
DRIVER U4
pPRO-
ALE
CESSOR
UI8
~
~
ADDRESS
LATCH
A8-A15
. .
US
~"V.,
•
,
RF BFO
ADDRESS ADDRESS
FREQ
-.
FREQ
DECODE ~ DECODE
--II
REGS REGS
U7 U8
U12. UI3
U14-U17
~ ,1.
TO A6
MOTHER BD
TO AS
MOTHER
BD
~
c....
I
co
-.:t
~
co
:x>
-
s o:
"Tj
"tl
W
I
I'-:l
-.:t
BFO
SYNTH
Figure 3-9. Synthesizer Interface and Memory Board,
Simplified Block Diagram
RF
SYNTH
"Tj
.....
Cl
c:::
:::0
t'!j
W
I
<:0