The analyzer’s anti-alias filters have an input step response that can contribute
a significant time domain error to the measured system step response. The
Agilent 35670A bypasses both the analog and digital anti-alias filters in
Histogram/Time instrument modes to minimize this error.
The tasks in this section use a step waveform. The Agilent 35670A’s arbitrary
source, Option 1D4, allows you to build such a custom source signal. For
more information about using the Agilent 35670A’s arbitrary source, see
chapter 6.
Figure 5-3.
Step Response
Agilent 35670A
Operator's Guide Measuring Control Systems
5-7
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