Procedure - Keysight N8973B Service Manual

Functional Tests
Scale Fidelity
Figure 17-7 Scale Fidelity Setup
Averaging is used for all measurements to improve repeatability and
reduce measurement uncertainty.

Procedure

1. Configure the equipment as shown in
2. Preset the Source and press MODE/MEAS on the analyzer. Select the
3. Set up the synthesized sweeper by pressing:
4. Set up the signal analyzer by pressing:
5. Set the external 10 dB step attenuator to 0 dB.
6. Adjust the amplitude on the signal source until the marker amplitude on
Keysight NFA Series Noise Figure Analyzers Service Guide
Spectrum Analyzer mode, Swept SA measurement, and Normal view.
Press OK. Press Mode Preset.
Frequency, 50, MHz
Amplitude, +5, dBm
RF On/Off, On
Input/Output, Freq Ref Input, Freq Ref Input External
FREQ, Center Frequency, 50, MHz
Span, 1, MHz
AMPTD, Y Scale, Ref Level, 0, dBm
Meas Setup, Avg/Hold Number, 10, Enter
Trace, Trace Average
Peak Search
the analyzer reads –15 dBm ±0.2 dB.
Figure 17-7.
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