Keysight 34450A Service Manual

Also see for 34450A: Service guide

Contents

Keysight 34450A Service Manual Manual pdf 50 page image

1 Performance Tests and Calibration50 Keysight 34450A Service GuideAC current gain adjustment procedureReview the “Test Considerations” on page 21 and “Gain adjustmentconsiderations” on page 44 sections before beginning this procedure.AC voltage gain adjustment for 100 mV range calibration has to be done prior toperforming the AC current gain adjustments procedure.Calibration Mode: AC current1 Press or to select the calibration range.2 The Measurement box displays the uncalibrated value and the CalibrationPoint box displays the reference value.3 Apply the input signal shown in the Calibration Point Box.4 Press to start the adjustment. The Status box displays CALIBRATINGindicates the calibration is in progress.– Successful completion of each adjustment value is indicated by a messagein the Status box showing PASS.– An adjustment failure is indicated by a message in the Status box showingFAIL. Check the input value, range, function, and entered adjustment valueto correct the problem and repeat the adjustment step.5 Repeat step 1 through 4 for each gain adjustment point shown in the presetcalibration point box.6 When the calibration has been completed for the selected range, the statusbox shows DONE, and the value in the Calibration Range box flashes.7 Increase the range and continue the calibration by repeating steps 1 through 4.8 Verify the AC current gain adjustments using the “AC current verification test”on page 34.