Instrument Noise Figure; Test Description - Keysight NFA Series Performance Verification And Calibration Manual

Instrument Noise Figure

Test Description

A noise source is connected to the NFA's input. The instrument then
measures its own uncorrected noise figure. For test purposes the NFA is
tested at the most accurate 20-26°C performance specification.
Test Specification
N8972A
10 MHz to < 500 MHz
500 MHz to 1500 MHz
N8973A
10 MHz to < 500 MHz
500 MHz to < 2300 MHz
2300 to 3000 MHz
N8974A and N8975A
10 MHz to < 500 MHz
500 MHz to < 2300 MHz
2300 MHz to 3000 MHz
>3000 MHz to 13200 MHz
>13200 MHz to 26500 MHz
Chapter 2
Instrument Noise Figure
< 4.4dB +0.0025dB/MHz
< 5.9dB +0.00135dB/MHz
< 4.4dB +0.0025dB/MHz
< 5.9dB +0.00135dB/MHz
< 2.9dB +0.0015dB/MHz
< 4.4dB +0.0025dB/MHz
< 5.9dB +0.00135dB/MHz
< 2.9dB +0.0015dB/MHz
<10.5dB
<12.5dB
Test Descriptions
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