Measurement-computing PCI-DAS6402/16 Manual de usuario Pagina 21

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PCI-DAS6402/16 User's Guide Calibrating the PCI-DAS6402/16
The analog output circuits are calibrated for gain and offset. Gain calibration of the analog outputs is performed
via DAC reference front-end calibration system.
Analog output calibration is shown in Figure 4-2. This circuit is duplicated for both DAC0 and DAC1.
Ref
DAC
Gain
Adjust
A
nalog Out
Offset
A
djust
Trim DAC
Coarse
Trim DAC
Fine
Trim DAC
Coarse
Trim DAC
Fine
Figure 4-2. Analog output calibration
4-2
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