Fluke 5790B, Service Manual

Page: 70 / 172

5790B
Service Manual
3-32
Calibration Adjustment of Wideband Input Gain at 1 kHz
Proceed as follows to perform gain (absolute) calibration adjustment at 1 kHz for
each range.
1. Connect the 5730A Wideband output to the 5790B Wideband input with
the same cable used during characterization.
2. Select Wide Band Input.
3. Select
Setup Menu>Calibration> Adjust DC: All Wideband .
4. The Product will step to the first calibration point on the 7 V range.
5. Use the number keys to enter the requested value recorded in Table 3-8,
then push [CONTINUE].
6. The Product will calibrate the 7 V range and proceed to the 2.2 V range.
7. Enter the value from Table 3-8 into the Product as before and push
[CONTINUE]. Continue with the rest of the steps until Absolute
Calibration Adjust is completed.
8. The absolute calibration on all ranges is now complete and the Product is
ready for flatness calibration.