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Downconverter Operation
Phase Noise Measurement <26.5 GHz System Control
Phase Noise Measurement <26.5 GHz System
Control
This procedure describes how to use the HP 70427A Downconverter
Module with the HP 3048A Phase Noise Measurement System. The
downconverter accepts a signal from 5 MHz to 26.5 GHz and produces a
signal at the IF output between 5 MHz and 1500 MHz. Frequencies below
1.5 GHz bypass the downconverter's mixer and pass through the IF
amplifier.
This procedure can be used for all HP 3048A software versions A.03.00 or
later. The software can be configured for system control of the HP 70427A.
With earlier versions of the software, the HP 70427A must be controlled
manually.
Figure 3-5
Phase Noise Measurement <26.5 GHz System Control Connection
The HP 70427A noise specifications in chapter 9 of this manual are
provided for the HP 70427A alone and combined with the HP 8662A or
HP 8663A used as the reference source.
The HP 8662A and HP 8663A can be used under system control with any
HP 3048A software version. See HP 3048A manual for details.
HP 70427A/HP 70428A User's Guide 3-21
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