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Performance Tests
Test 7 - AM Detector Noise Floor (AM NOISE)
Test 7 - AM Detector Noise Floor (AM NOISE)
Overview
This test measures the noise floor of the downconverter's input AM detector.
A 600 MHz carrier is applied to the downconverter's AM detector. The
detected noise is routed from the downconverter's AM NOISE output to the
NOISE INPUT of the HP 3048A phase noise measurement system and an
AM noise measurement is made.
Specification
Refer to the specification table for AM detector noise floor.
Equipment
HP 3048A Phase Noise Measurement System with Options 201, H26.
HP 8562A Spectrum Analyzer
HP 8662/3A Synthesized Signal Generator
HP 70427A K02 Spur Rejection Balun
HP 8902A Measuring Receiver (power meter)
HP 11792A Sensor Module
HP 355C 1 dB Step Attenuator
Test Setup
Set up the HP 3048A according to the HP 3048A Installation Guide. The
following diagram shows the test setup as it will be in step 6 when the AM
noise measurement is made.
Figure 14-10
Step 6 Test Set Up Am Noise Measurement
HP 70427A/HP 70428A User's Guide 14-51
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