Before Performing A Functional Test - Keysight N8973B Service Manual

Functional Tests

Before Performing a Functional Test

Before Performing a Functional Test
1. Ensure that you have the proper test equipment.
2. Switch on the unit under test (UUT) and let it warm up (in accordance with
3. Allow sufficient warm-up time for the required test equipment (refer to
4. Ensure that the analyzer's frequency reference is set to Internal:
5. Following instrument warm-up, perform the auto align routine:
Functional test accuracy depends on the precision of the test equipment
used. Ensure that all of the test equipment is calibrated before running a
functional test.
488
warm-up requirements in the instrument specifications).
individual instrument documentation for warm-up specifications).
a. Press the Input/Output, Freq Ref Input keys.
b. If the Freq Ref Input does not show Internal, press the Freq Ref
Input softkey and select Internal.
Press System, Alignments, Align Now, Align Now All.
Keysight NFA Series Noise Figure Analyzers Service Guide