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3
Frequency Compensation
Proper compensation of the probe is
required to assure amplitude accuracy of
the waveform being measured by matching
the probe to the oscilloscope's input
capacitance. Compensation should be
adjusted whenever the probe is connected
to, or transferred between, oscilloscopes.
The procedure is the same as for a x10
passive probe.
Connect the probe to the
•
oscilloscope.
Connect probe tip to square-wave
•
generator.
Adjust the square wave generator for
•
10 V amplitude.
Adjust the oscilloscope for a time
•
base of 500 µs/div.
Turn trimmer (Figure 1) to adjust the
•
compensation on the probe making a
flat pulse top.
Figure 1: Trimmer on BNC
15
10
20
5
25
0
30
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