2-30 Keysight M937xA PXIe Service Guide
Tests, Adjustments, and Troubleshooting
Performance Tests
2-
Performance Tests
The performance tests verify the electrical performance of your network
analyzer. These performance tests are included in the analyzer’s firmware with
Option 897 or Option 898. Your analyzer is automatically configured for each
individual test.
The model numbers of the equipment used by these performance tests are
specified under “Get the Required Service Test Equipment” on page 2-3.
There are nine tests in the Option 897 or 898 performance test package:
- “Source Power Accuracy Test” on page 2-31
- “Source Maximum Power Output Test” on page 2-33
- “Source Power Linearity Test” on page 2-35
- “Frequency Accuracy Test” on page 2-36
- “Trace Noise Test” on page 2-37
- “Receiver Compression Test” on page 2-38
- “Noise Floor Test” on page 2-40
- “Calibration Coefficients Test” on page 2-42
- “Dynamic Accuracy Test” on page 2-43
Power Measurement Receiver System (PNAasPowerMeter)
The PXI VNA source has harmonic content which is high enough to distort
power measurements made with a broadband power sensor. Therefore, we use
a calibrated PNA receiver system as the filtered power level measurement
standard for several of these tests. This receiver is the combination of a PNA, a
test cable connected to one of the PNA test ports, and a 10 dB attenuator
connected to the end of the test cable. Some tests add an adapter between
the test cable and the PNA in order to reverse the sex of the connection at the
end of the attenuator. This power measurement receiver system will be referred
to as PNAasPowerMeter.
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