HP 8591C Manual do Utilizador Página 263

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I
-
Making Measurements Using Spectrum Analyzer Mode
Percent Amplitude Modulation Measurement
Example: Use the % AM function to make a measurement.
1. Press
I-1.
Connect a signal with amplitude modulation, to the
spectrum analyzer’s INPUT 75
62.
2. Press [FREQUENCY) and enter the frequency of your input signal to place
the signal at the spectrum analyzer center frequency.
3. Press
ISPAN).
Change the span until only the signal and its two sidebands
appear on the display.
4.
Press
(mEAS/US
and
%
AM ON OFF (ON) to activate the percent
amplitude modulation function.
5. Read the measurement results in the upper left corner of the screen.
6. Press
%
AM
ON
OFF (OFF) to turn the measurement off.
5-63
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