21
1159A 1GHz Active Differential Probe
Calibration Testing Procedures
Setup for CMRR at 70 Hz
File Name: 1159CAL1
Probe Connected to CH1 1159A
Probe Connected to CH4 1161A
CH1 Sensitivity 2 mV/div
CH4 Sensitivity 5 V/div
Measure Amplitude CH1 and CH4
CH2 and CH3 Off
Offset and Position CH1, CH2, CH3 and CH4 0 V
Timebase 10 mSec/div
Timebase Delay 0 Sec
Setup Acquisition Equivalent time: 64 averages
Trigger CH4; level 0 V + ve edge
Setup for CMRR at 1 MHz
File Name: 1159CAL2
Probe Connected to CH1 1159A
Probe Connected to CH4 1161A
CH1 Sensitivity 10 mV/div
CH4 Sensitivity 5 V/div
CH2 and CH3 Off
Offset and Position CH1, CH2, CH3 and CH4 0 V
Measure Amplitude CH1 and CH4
Timebase 500 nSec/div
Timebase Delay 0 Sec
Setup Acquisition Equivalent time: 64 averages
Trigger CH4; level 0 V + ve edge
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