Connecting to the Device Under Test 3
InfiniiVision Oscilloscopes User’s Guide 77
Compensating Passive Probes
Each oscilloscope passive probe must be compensated to match the input characteristics
of the oscilloscope channel to which it is connected. A poorly compensated probe can
introduce significant measurement errors.
1 Perform the procedure “Verifying Basic Oscilloscope Operation” on page 54.
2 Use a nonmetallic tool (supplied with the probe) to adjust the trimmer capacitor on the
probe for the flattest pulse possible. The trimmer capacitor is located on the probe
BNC connector.
3 Connect probes to all other oscilloscope channels (channel 2 of a 2-channel
oscilloscope, or channels 2, 3, and 4 of a 4-channel oscilloscope). Repeat the
procedure for each channel.
Perfectly compensated
Over compensated
Under compensated
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