Improving the Measurements of IP3

Published In

Microwave and Optical Technology Letters

Document Type

Citation

Publication Date

1-31-2022

Abstract

IP3 is an important parameter of RF amplifiers. It is available from the datasheet and calculated from the interception between the line of the output power at fundamental frequencies and that of the power of the 3rd-order intermodulation product conventionally measured from two-tone tests. However, the measured output power at fundamental frequency will be affected by 3rd-order intermodulation products. In this article, the impacts from 3rd-order intermodulation products to the fundamental tones are analyzed. As an analytic formula-based calibration solution, simple formulas that remove corresponding nonlinear effects are suggested.

Rights

© 2022 Wiley Periodicals LLC.

Locate the Document

https://doi.org/10.1002/mop.33175

DOI

10.1002/mop.33175

Persistent Identifier

https://archives.pdx.edu/ds/psu/37049

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