Keysight N8976B

512 Keysight NFA Series Noise Figure Analyzers Service Guide
Functional Tests
Frequency Response (Flatness), Preamp On
17.Compute the flatness error normalized to 50 MHz:
(Meas
Error
- Meas
Error
@ 50 MHz)
18.Enter the computed flatness error value into the Flat
Norm
column of Table
17-8.
19.Compare the value of Flat
Norm
to the test limit.