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®
R&S
RT-ZD40
7.3
DC Accuracy
The gain of the probe-oscilloscope system and the accuracy of the integrated DC
voltmeter are checked.
Test setup:
R&S RTO settings:
User Manual 1410.5363.02 ─ 03
●
Probe connected to CH1 of the R&S RTO oscilloscope
●
INPUT HI/LO of the DMM connected to OUTPUT HI/LO of the DC
voltage source by banana leads
●
BNC to 4 mm dual banana adapter plugged onto the banana leads
on the DMM – ensure that BNC shield is connected to LO
●
Signal and ground terminal of the probe connected by mini clips,
leads, and socket adapter to the BNC to 4 mm dual banana
adapter; make sure that probe ground is connected to BNC shield
●
Horizontal scale = 10 µs / div
●
Vertical scale = 1.6 V / div
●
Trigger source = Ch1, Trigger mode = Auto, Run cont
●
ACQUISITION key > Decimation = 'High res' > Waveform Arithmet-
ics = 'Average' > Average Count = 16
●
"Meas" menu > Setup > Source = 'Ch1' > Main Measurement =
'Mean' > State = 'on'
●
CH1 key > Offset = 0 V, Position = 0 div
●
"Vertical" menu > Probe Setup > Ch1 > ProbeMeter = 'on'
Functional Check
DC Accuracy
49
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