Performance Tests (Keysight N7841A Software Package); General Tests; Spectrum Analyzer Specific Tests - Keysight N9912A Service Manual

Tests and Adjustments

Performance Tests (Keysight N7841A Software Package)

Performance Tests (Keysight N7841A Software Package)
The performance tests section of the Keysight N7841A software package
verifies the electrical performance of your N9912A analyzer. The software
automatically configures your analyzer to execute the performance tests.
The N7841A software package is not included with the analyzer; it must be
ordered separately. It can be downloaded from the Internet and a license
purchased on-line, or it can be ordered on a CD-ROM. Go to
www.keysight.com/find/calibrationsoftware
There are:
— Four tests for the general functionality of the analyzer.
— Seven additional tests for the SA (spectrum analyzer) functions.
Total test time will vary from 7 to 36 minutes depending upon options installed.
Details for these tests and recommended troubleshooting information can be
found in the N7841A help file.

General Tests

Total test time for these tests is 8 minutes.
— Frequency Accuracy Test
— Error Terms Test (CAT Functional)—This test includes an adjustment (see
— High/Low Output Power Output Test (CAT Functional)
— Crosstalk S21 Test (CAT Functional)

Spectrum Analyzer Specific Tests

Total test time for these tests is 29 minutes.
— Absolute Amplitude Accuracy Test
— IF Frequency Response Test (Functional)
— Frequency Response with Preamp Off Test
— Frequency Response with Preamp On Test
— Displayed Average Noise Level with Preamp On Test
— Noise Sidebands Test
3-8
"Adjustments (Keysight N7841A Software Package)" on page
should be performed every 12 months.
for further information.
3-9) and
Keysight N9912A Service Guide