7.3 Performance Test for Sampling Oscilloscope
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7
Performance Test
With the MP2110A-021, test the amplitude accuracy for Ch B after
measuring the amplitude accuracy for Ch A.
1. Click Scope. Configure the settings as shown below:
Dialog Box Item Setting Value
Amplitude Ch B Scale 50 mV/Div.
Ch B Offset 50 mV
Ch B Attenuation 0 dB
Histogram Target Channel Channel B
2. Set the DC voltage to 0 V.
3. Connect the DC Power Source to
Ch B In
connector.
Connect the center conductor of the coaxial cable to plus and the
shield to minus.
4. Click Ch B to set to On.
5. Click Sampling to set to Run.
6. Record a standard deviation (Std Dev) and an average value
(Mean) of the histogram measurement result.
7. Set the DC voltage to 200 mV.
8. Record the average value of the histogram measurement result.
9. Set the DC voltage to –200 mV.
10. Record the average voltage of the histogram measurement
result.
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