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A Saturated Doherty Power Amplifier Based On Saturated Amplifier

✍ Scribed by Jangheon Kim; Junghwan Son; Junghwan Moon; Bumman Kim

Book ID
118248756
Publisher
IEEE
Year
2010
Tongue
English
Weight
570 KB
Volume
20
Category
Article
ISSN
1531-1309

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## Abstract This letter presents a new technique to enhance the overall efficiency of a two‐stage envelope tracking (ET) power amplifier (PA). Because of heavy gain compression, ET amplifiers can suffer from inefficient driver stages. By reducing the supply voltage of the driver amplifier, its effi