Keysight Technologies M937 A Series User Manual

Keysight M937xA PXIe Service Guide 2-41
Tests, Adjustments, and Troubleshooting
Performance Tests
4. Connect the 83059A (-m- to -m-) adapter to the 3.5 mm (-m- to -f-) test
cable.
5. Connect a 10 dB attenuator to the other end of the test cable.
6. Connect the adapter end of the test cable to the M937xA Port 1.
7. The PNAasPowerMeter is connected to the 10 dB attenuator at the end of
the test cable.
8. For hundreds of frequencies across the full range of the analyzer, the source
power, P
source
, is measured at the end of the cable at the Preset power
level.
9. The PNAasPowerMeter is disconnected, and the test cable end with the 10
dB pad is connected to the port to be tested.
10.A CW linear measurement sweep is measured for each test point. The
receiver reference power level, P
ref
, is calculated in dBm for each point from
the mean of each sweep.
11.The test cable is removed and loads are connected to both ports.
12.A CW linear measurement sweep is measured for each test point. The
receiver test power level, P
test
, is calculated in dBm for each point from the
mean of each sweep.
13.The corrected noise floor is calculated in dBm for a 10 Hz IF bandwidth
using P
NoiseFloor
= P
test
– 19.96 dB – (P
source
– P
ref
). (19.96 dB is the
conversion factor between the 1 kHz IFBW measurement and 10 Hz IFBW
specification.)
If the Analyzer Fails this Test
- If the analyzer fails this test, return it to Keysight for repair. Refer to
“Shipping Your Network Analyzer for Service or Repair” on page 1-3.

Keysight Technologies M937 A Series Specifications

General

Brand	Keysight Technologies
Model	M937 A Series
Category	Measuring Instruments
Language	English