HP 8642A Operating Manual page 524

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ATTENTION
Static Sensitive
Devices
10
HOD OUT DAC
•GDi4
l
A H L N A GAIN
—CUD
16
SELF TEST
SWITCH CONTROL
—GSD
1 6
HUX SELECT LINES
ATT RELAY
CONTROL
< G G }
17
FH DAC B I T S
CD
17
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