Keysight Technologies N2840A, Руководство пользователя

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16 N2840/1/2/3A and N2853A User’s Guide
Low-Frequency Compensation
Low-Frequency Compensation
The probes can be adjusted for low-frequency (LF) compensation. LF
compensation matches the probe cable capacitance to the oscilloscope input
capacitance. This matching assures good amplitude accuracy from DC to the
upper bandwidth limit frequencies. A poorly compensated probe influences the
overall system performance (probe and oscilloscope) and introduces
measurement errors resulting in inaccurate readings and distorted waveforms.
Perform LF compensation whenever the probe is connected to the oscilloscope’s
input for the first time.
1 Connect the probe to one of the oscilloscope’s channel inputs.
2 Connect the probe tip to the oscilloscope’s front-panel calibration output. For
example, on 2000X, 3000X, and 4000X series InfiniiVision oscilloscopes, use
the front-panel Demo 2 / Probe Comp terminal as shown in Figure 12 .
Figure 12 Probe Comp Terminals on 3000 X Series Oscilloscope
3 Press the front-panel channel key to turn on the channel.