2006•Unpublished venueOpen access

Behavioral Modeling of Nonlinear Radio-Frequency Power Amplifiers

Konstantinos S. Vryssas, Apostolos Samelis

Abstract

In this paper, an improved behavioral model for radio-frequency power amplifiers (RF-PAs) is presented. The model has been implemented in a commercial nonlinear microwave simulator and facilitates accurate and efficient system level simulations of RF-PA large-signal behaviors such as self-bias, AM-AM, AM-PM, gain expansion effects and intermodulation distortion (IMD3) sweet-spots. The model has been validated using measurement data obtained from a commercial WCDMA PA at 1.88 GHz.

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Key concepts: Intermodulation, Amplifier, Radio frequency, Nonlinear distortion, RF power amplifier, Nonlinear system, Distortion (music), Electronic engineering