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Overview
Procedure
Figure 3-3
AM Noise Measurement (Input AM Detector) User Control
AM Noise Measurement (Input AM Detector)
User 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
baseband signal.
This procedure can be used for all HP 3048A and HP 3047A Phase Noise
measurement software. The HP 70427A is controlled manually.
With HP 3048A software versions A.03.00, or later, the HP 70427A can be
controlled by the software.
AM Noise Measurement (Input AM Detector) User Control Connection
Step 1 - Preset the Converter
First, make sure the downconverter's ACT indicator light is lit. If it isn't, do
the following:
a. Press the
DISPLAY
b. Press the
NEXT INSTR
indicator lights.
c. Press the
INSTR PRESET
Step 2 - Enable the input AM detector
a. Press the
AM Noise
b. Press the
AM NSE IN | IF
Downconverter Operation
key.
softkey, repeatedly if necessary, until the ACT
key.
softkey.
softkey until the IN is underlined.
HP 70427A/HP 70428A User's Guide 3-13
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