Noise State Calibration Coefficients - Keysight Technologies N5224/5A Service Manual

Tests and Adjustments
Performance Tests
7. With the 1 dB of overlap in each measurement, the data for each
attenuator setting can be stitched together to provide a complete receiver
linearity profile from +3 dBm to -63 dBm.
8. This test is repeated for each receiver.
If the Analyzer Fails this Test:
— If the analyzer fails this test, rerun the test.
— If the analyzer fails this test repeatedly, replace the A23 mixer brick for a
Port 1 or Port 2 failure or the A24 mixer brick for a Port 3 or Port 4 failure,
then repeat this test. Refer to
Mixer Bricks" on page
— If the analyzer still fails this test, replace the A12 SPAM board and repeat
this test. Refer to
page

Noise State Calibration Coefficients

IMPORTANT!
For the most current information on the
Performance, and Other Tests and Procedures" column's content, refer to
https://cal.software.keysight.com/PNA/Help/N7840AWebHelp.htm.
3-40
7-39.
"Removing and Replacing the A4–A17 Boards" on
7-15.
"Removing and Replacing the A27 and A28
Table 7-2 "Verification,
Keysight N5224A/25A Service Guide