One GHz class E RF power amplifier for a polar transmitter

被引：0
|
作者：
Simo Hietakangas
Timo Rautio
Timo Rahkonen
机构：
[1] University of Oulu,Department of Electrical and Information Engineering
来源：
Analog Integrated Circuits and Signal Processing | 2008年 / 54卷
关键词：
Power amplifier; Class E; Polar transmitter; Envelope elimination and restoration (EER);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper describes advantages and characteristics of a class E power amplifier when used in a polar transmitter system. Basic principles of class E operation and information about different nonlinearities are given. Also, modifying the transistor model for switch-mode use is discussed briefly. A 1 GHz, 0.5 W class E power amplifier was implemented for a polar transmitter. Performance measurements of a total transmitter system with and without predistortion are presented.
引用
收藏
页码：85 / 94
页数：9
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