HP 3320A Operating And Service Manual page 144

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H20A-B-3O'W9
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NOTE 1: The following table lists the schematic number and
oonnector number versus instrument type for controller board
interfacing:
SCHEMATIC CONNECTOR
NUMBER NUMBER
INSTRUMENT TYPE
1 XA20A "A·· Model - Standard.
Options 001. 002. 006
2
XA21A
"B·' Model - Standard.
Options 001. 002. 006
3 XA22A ··A·· Model - Option 003
"B'· Model - Option 004
8 XA22A ··B·· Model - Option 007
DC voltages on Ql. 02. Q3 measured with 3320A/B in
1000 kHz range position using high input resistance, low
capacitance voltmeter (-I1p- 412Al.
Top voltage measured with 3320A/B in 1000 kHz range
position.
Bottom voltage measured with 3320A/B in any other range
position.
DC voltages on Q8. 09. Ql0 measured with 3320A/B in
100 kHz range position using high input reSistance, low
capacitance voltmeter (-I1p- 412Al.
Top voltage measured with 3320A/B in 100 kHz range
position.
Bottom voltage measured with 3320A/B in any other range
position .
.7 to .9 V pop on 1000 kHz or 100 kHz range position.