Acquisition and waveform setup
R&S
®
RTP
197User Manual 1337.9952.02 ─ 12
Measurement Impedance
Sets the impedance of the probe channel for power calculations and measurements.
Remote command:
ZVC:Z<m>:V<n>:IMPedance on page 1237
ZVC:Z<m>:I<n>:IMPedance on page 1232
5.7.1.3 Zero compensation
Access: [App Cockpit]> "Analysis" > "Multi-channel probe"> "ZeroComp" tab
Zero compensation is used to avoid negative currents in measurement results, and to
improve the measurement accuracy. The determined compensation is valid as long as
the temperature is constant and the probe settings are unchanged.
1. Disconnect the DUT from the power supply.
2. Adjust the current settings, in particular, the shunt settings. See Chapter 5.7.3,
"ZVC current settings", on page 199.
3. Connect one probe tip of the R&S RT-ZVC probe to the high voltage pin of the
DUT. Disconnect the other probe tip from the DUT.
4. Open the "ZeroComp" settings: [App Cockpit]> "Analysis" > "Multi-channel probe">
"ZeroComp" tab
5. Tap "ZeroComp" to determine the zero offset.
6. Enable "Use" to compensate for the zero offset.
ZeroComp
Measures the zero offset, the mean value on a currentless DUT. If temperature
changes, or if you change the shunt or other probe settings, repeat the measurement.
Remote command:
ZVC:Z<m>:I<n>:ZERComp:DETect on page 1240
Use
If enabled, the measured "ZeroComp" offset value is compensated automatically.
Remote command:
ZVC:Z<m>:I<n>:ZERComp:USE on page 1241
R&S
RT-ZVC probe
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