3-28 Service Guide N5230-90024
Tests and Adjustments PNA Series Microwave Network Analyzers
Performance Tests (Agilent N7840A Software Package) N5230C
Performance Tests (Agilent N7840A Software Package)
The Agilent N7840A software package verifies the electrical performance of your N5230C PNA series
microwave network analyzer. The software automatically configures your analyzer to execute the
performance tests. The N7840A software package is not included with the analyzer; it must be ordered
separately. The model numbers of the equipment used are specified under “Required Service Test
Equipment” on page 2-7.
There are nine tests in the software package:
• Source Power Accuracy Test
• Source Maximum Power Output Test
• Source Power Linearity Test
• Frequency Accuracy Test
• Trace Noise Test
• Receiver Compression Test
• Noise Floor Test
• Calibration Coefficients Test
• Dynamic Accuracy Test
Source Power Accuracy Test
Function of the Test: To confirm the accuracy of the source output power of your network analyzer over its
full frequency range.
Specification Tested: Test Port Output–Power Level Accuracy
Equipment Used: A power meter, power sensors, and adapters.
Description of the Test:
1. The analyzer’s output power level is set to 0 dBm.
2. A power sensor is connected to Port 1.
3. The output power is measured at hundreds of CW frequencies across the analyzer’s frequency range and
the values compared to the setting of 0 dBm.
If the Analyzer Fails this Test:
• Perform the “Source Calibration Adjustment” on page 3-38 and repeat this test.
• If the analyzer still fails this test, troubleshoot the source group of the analyzer. Refer to “Checking the
Source Group” on page 4-29. When the problem has been corrected, repeat this test.
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