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Document Part No. E5500-90024Ed. 1.0
FM Discriminator Measurement using Double-Sided Spur Calibration
6
Choose the Sources tab from the Define Measurement window.
a
Enter the carrier (center) frequency of your UUT (5 MHz to
1.6 Gaze). Enter the same frequency for the detector input
frequency. See
Figure 11-4 Enter Frequencies in Source Tab
7
Choose the Cal tab from the Define Measurement window.
a
Select Derive constant from double-sided spur as the
calibration method.
Take a modulated calibration source and feed the output into a
spectrum analyzer. Measure the 1st modulation sideband
frequency and power relative to the carrier's frequency and
power. Enter the parameters into the following step.
b
Set the Know Spur Parameters Offset Frequency and
Amplitude for the spur you plan to use for calibration
purposes.This calibration method requires that you enter the
offset and amplitude for a known spur. See
E5500 Phase Noise Measurement System Version A.02.00
FM Discriminator Measurement Examples
Figure
11-4.
11
Figure
11-5.
11-7
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