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Chapter 3 Demo Waveforms
Demo 1: Voltage-Controlled Oscillator (VCO) Frequency Step Response
and Settling
4
Click on the Cancel button to close the Measure/View Setup menu.
5
Select File>Load Data File... . Open the demo subdirectory
(c:\hpe174Xa\demo) and click on the file "vco.pan.", and click on OK.
This will retrieve the data and display the computed Frequency Deviation
vs. time.
Frequency Deviation Results
This is a display of frequency deviation from a constant reference
frequency, Fo. The reference shows up in the display as a green line at a
value of zero. The Fo computed by the software is displayed in the log at
the bottom of the display. This value can be recalled at any time, along
with the pacing value and the total number of samples by clicking the Fo
button on the tool bar.
3-6
Getting Started Guide
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