DocumentCode
1630464
Title
A supply modulator with nested structure for wideband envelope tracking power amplifier
Author
Wang, Zhancang
Author_Institution
Nokia Siemens Networks, CTO Res., Beijing, China
fYear
2012
Firstpage
5
Lastpage
8
Abstract
In this paper, a novel supply modulator with nested structure for envelope tracking base-station power amplifier was presented, which boosts average modulator efficiency by realizing additional peak efficiency points both in linear amplifier & current source array. Tuneable peak efficiency points make a flexible efficiency adaptation for various wideband signal character besides efficiency boosting.
Keywords
modulators; power amplifiers; wideband amplifiers; average modulator efficiency; current source array; envelope tracking base-station power amplifier; linear amplifier; nested structure; supply modulator; wideband envelope tracking power amplifier; Arrays; Modulation; Peak to average power ratio; Power amplifiers; Power generation; Wideband; DC-DC power converters; energy efficiency; peak to average power ratio; power amplifiers; power supplies; wideband;
fLanguage
English
Publisher
ieee
Conference_Titel
Power Amplifiers for Wireless and Radio Applications (PAWR), 2012 IEEE Topical Conference on
Conference_Location
Santa Clara, CA
Print_ISBN
978-1-4577-1119-0
Type
conf
DOI
10.1109/PAWR.2012.6174939
Filename
6174939
Link To Document