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10
FM Discriminator Measurement Examples
6
e5505a_user_enter_source_tab
25 Jun 04 rev 2
Figure 184 Enter frequencies in source tab
7
254
Choose the Sources tab from the Define Measurement window.
Enter the carrier (center) frequency of your DUT (5 MHz to
a
1.6 Gaze). Enter the same frequency for the detector input frequency.
See
Figure
184.
Choose the Cal tab from the Define Measurement window.
Select Derive constant from double-sided spur as the calibration
a
method.
b
Feed the output from a modulated calibration source into a spectrum
analyzer and measure the 1st modulation sideband frequency and power
relative to the carrier's frequency and power. Enter the parameters in
the following step.
Set the Know Spur Parameters Offset Frequency and Amplitude for
c
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
Figure 185
on page 255.
Agilent E5505A User's Guide
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