HP 8642A Operating Manual page 532

A s s e m b l y L o c a t o r
SimpI i f i ed B l o c k Di a g r a m
FH
>r&
ASAl AU^O ™ R
j4 AN6LE
MODULATIOM ^
FM/PM SELECT
AND
CROSSOVER
FM
CONTROL 4r^-
LINES 2
COUNTER
CONTROL <-T<-
LINES 3
ABA1
Ji
SERIAL DATA
INTERFACE
500 kHz FH
REFERENCE
A6A1
J5
2 >
SS-SERVICE SHEET
ANGLE MOD
OUT OF LOOP
BANDWIDTH
ANGLE MOD
IN LOOP
BANDWIDTH
SHAPER
DCFM
REFERENCE
SS24
250 kHz
FM
REFERENCE
DIVIDER
125
kHz
J
cu
BAi _ _ _ . _ ^ _ A6A1
* - < * 1080 < ■ Q < " ) ■ ■ ■ ■ *
FH LOOP
DIAGNOSTICS
A6A1
J5
ABA1
J2
r~ts
FH
LOOP
OUTPUT
SS23
AGAl
FH LOOP
DIAGNOSTICS
F i g u r e 8 K - 1 0 2 B D 8 G e n e r a l I n f o r m a t i o n .
P/O A6 MODULE
SEE REVERSE SIDE
BD7