HP 8642A Operating Manual page 458

r - O
FM INV HI
BD6 Q£y
FM
SELF TEST
BD6©—
FH AC/DC
BD6<]£>-^
FM INPUT AC
DC COUPLER
P
i,
FM LOW
NOISE
AMPLIFIER
AF
BD6
( T L >
FM ± U N I T Y
G A I N AMP
- > ■
F M L N A
-CEDBDB
MUX 2
- C E D B D B
HDD OUT
INT/EXT COUNT
SELECT Q
MUX 5
<FD^BD6
COUNTER
A U O I O ^
— (^EQ J
ED
FER
.TOR
GD-'
SS14
GEH
+ 15V
PROTECTED
POWER SUPPLY
AND GND
+ 15V. +5V
- 1 5 V , - 5 V . GND
DSC DETECT
PEAK DETECTOR
PEAK DETECTOR
—j—
SAMPLED VALUE
TRANSFER
SAMPLED
VALUE
TRANSFER
CEH
• H 5 V PROTECTED
^
GD^
POWER SUPPLY
AND GND
+15V, +5V
-15V. -5V, GND