Measuring intermodulation distortion with network analyser

This application note discusses the accuracy considerations when using the Agilent PNA-X microwave network analyser for two-tone intermodulation distortion measurements. One of the unique attributes of the PNA-X is its inclusion of an internal second source and an internal combining network1, which together allow for an exceptionally convenient setup for two-tone intermodulation distortion measurements. Since these measurements are unique in a number of ways, it is important to understand how the attributes of the test system contribute to the measurement uncertainty, and how to best optimise the test setup to make accurate distortion measurements.

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Originally published by Agilent Technologies Inc. at www.agilent.com as "Agilent PNA-X Network Analyzer 10MHz to 26.5GHz".