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Absolute Measurement Examples
RF Synthesizer using DCFM
If the output amplitude of your UUT is not sufficient to provide an adequate
measurement noise floor, it will be necessary to insert a low noise amplifier
between the UUT and the Agilent/HP 70420A input. (Refer to "Inserting an
Device" in
Chapter 6, "Absolute Measurement Fundamentals"
determining the effect that the amplifier's noise will have on the measured
noise floor.)
Agilent/HP 8663A VCO Reference
This setup uses the Agilent/HP 8663A as the VCO reference source. In
order for the noise measurement results to accurately represent the noise
of the UUT, the noise level of the reference source should be below the
expected noise level of the UUT.
7-54 Agilent Technologies E5500 Phase Noise Measurement System
for details on
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