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Feedback Linearization of RF Power Amplifiers

Feedback Linearization of RF Power Amplifiers

Hardcover

Technology & Engineering

ISBN10: 1402080611
ISBN13: 9781402080616
Publisher: Springer Nature
Published: Jun 8 2004
Pages: 134
Weight: 0.88
Height: 0.60 Width: 6.40 Depth: 9.40
Language: English
Improving the performance of the power amplifier is the most pressing problem facing designers of modern radio-frequency (RF) transceivers. Linearity and power efficiency of the transmit path are of utmost importance, and the power amplifier has proven to be the bottleneck for both. High linearity enables transmission at the highest data rates for a given channel bandwidth, and power efficiency prolongs battery lifetime in portable units and reduces heat dissipation in high-power transmitters. Cartesian feedback is a power amplifier linearization technique that acts to soften the tradeoff between power efficiency and linearity in power amplifiers. Despite its compelling, fundamental advantages, the technique has not enjoyed widespread acceptance because of certain implementation difficulties.

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