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PCI-DAS6052 User's Guide
A similar method is used to calibrate the analog output components. A trim DAC is used
to adjust the gain of the DAC. A separate DAC is used to adjust offset on the final
output amplifier. The calibration circuits are duplicated for both analog outputs (see
Figure 5-2
).
Trim DAC
D/A
Ref
Gain
Adjust
Figure 5-2. Analog Output Calibration – Basic Elements
Offset
Adjust
Trim DAC
5-2
Calibrating the Board
Analog Out
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