HP 8642A Operating Manual page 457

i
MOD OUT DAC
B D D ^ v j - J[-
OUTPUT AMPLIFIER
MUX 2
- G D BD6
MOO OUT
MUX 6
-GDBD6
ZERO
CROSSING
DETECTOR
CNT
INT/EXT
B D 6 ( [ Y W -
EXT CNT
BD6GD—
INT/EXT COUNT
SELECT Q
MUX 5
-CD*
06
COUNTER
AUDIO,
SAMPLED
VALUE
TRANSFER
PEAK
DETECTOR
SS14