
PCI-DAS6013 and PCI-DAS6014 User's Guide Calibrating the Board
30
A similar method is used to calibrate the analog output components (PCI-DAS6014 only). 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 29).
Trim DAC
Ref
D/A
Gain
Adjust
Analog Out
Trim DAC
Offset
Adjust
Figure 29. Analog output calibration elements
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