射频PA的DPD技术教程

Digital Pre-Distortion Techniques and Systems in RF PADigital Pre-Distortion Techniques for RF Power Amplifiers
John Wood
27 January, 2010
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It doesn’t matter what the raw linearity of the PA looks like, the DPD will take care of it!

Freescale and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. Freescale Semiconductor, Inc. 2010.

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Outline
Modern Communication s Signals and RFPAs
Signals, Linearity, and Efficiency

Some Linearizer Basics
What’s nonlinearity? What are memory effects? What does a linearizer do?

Digital Pre-Distortion D