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3-7. AC CAL OUTPUT Test
The AC CAL OUTPUT port on the rear panel is used for instrument calibration and probe compensation.
Though calibrator accuracy is not specified in the performance specifications, it must be within limits in or-
der to provide accurate calibration.
Test Limits:
1000 Hz ± 10%, 0.8 Vp_p ± 10%
Equipment Required:
The following equipment is required for the test.
Equipment Required Critical Specification
Recommended
Model/Part Number
Cable 50 Ω BNC (m to m) 48-inch HP 10503A
Procedure:
1. Use the BNC cable to connect the AC CAL OUTPUT to channel 1 input of the oscilloscope module.
2. On the oscilloscope module set the following parameters in the order given:
Menu Selection Setting
Calibration
Channel
Mode
Procedure
Signal
Coupling
Probe
Service Calibration
Oscillator Output
Probe Compensation
1 MΩ/DC
1:1
3. In the Calibration menu select AUTOSCALE.
4. In the Auto-Measure menu verify that the waveform is approximately 0.8 Vp_p at approximately
1000 Hz. Record the reading in the performance test record.
HP 16532A - Performance Tests
3-3