Digital-To-Analog Converter (Dac) A/B Gain Adjustment - HP 5334B Service Manual

HP5334B
UNIVERSAL COUNTER
Figure 5-2. DAC AIB Zero Adjustment Setup
Equipment:: None.
Procedure:
1. Set the H P 5334B as follows:
READ LEVELS
.............................
Voltage Peaks A
(Press READ LEVELS twice)
2.
,
Adjust AIR67 (A ZERO) for a 5334B front panel display of
"0.00 0.00 A" Volts.
3. Set the H P 5334B as follows:
READ LEVELS
.............................
Voltage Peaks B
(Press READ LEVELS once)
4.
Adjust AIR85 (B ZERO) for a 5334B front panel display of "0.00 0.00
b"
Volts.
5-14. DIGITAL-TO-ANALOG CONVERTER (DAC) A/B GAIN ADJUSTMENT
Reference: Figure 8-21
Description: The voltage reference levels for the Channel
A
and and B DACs are set using a high resolution DC
voltage input signal.
H P 5334B
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Service Manual
5-5