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The article introduces an integrated hardware/software codesign and test platform for the digital predistortion and power amplifier blocks of radiofrequency transceivers. The platform allows evaluation and optimization of system performance with minimum computational resources, contributing to higher design flexibility. The platform is demonstrated on a variety of power amplifiers.
Linearization techniques such as digital predistortion (DPD) are often employed to enhance the overall performance of power amplifiers (PAs). The specific performance requirements of a system typically depend on the application. For this reason, the implementation of a DPD technique after the fabrication of a PA can result in significant overhead cost. To ensure high performance with minimum cost...
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