Trade-off between efficiency and linearity in an RF-power amplifier

被引：2
|
作者：
Cassara, Frank A. [1 ]
机构：
[1] NYU, Polytech Inst, Dept Elect & Comp Engn, Melville, NY USA
来源：
INTERNATIONAL JOURNAL OF ELECTRONICS | 2009年 / 96卷 / 03期
关键词：
RF-power amplifier; power efficiency; amplifier linearity; Class C amplifiers; harmonic distortion; bipolar junction transistor; metal-oxide-semiconductor field effect transistor;
D O I：
10.1080/00207210802526562
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
RF-power amplifiers are used in a variety of applications including radio and TV transmitters, wireless communications, satellite communication systems and RF-power heating. Power efficiency and amplifier linearity are two key parameters which play a significant role in the design of modern power amplifiers. It is well known that driving the amplifier into its non-linear region, e.g. Class C operation, may improve efficiency, but it will also lead to increased distortion. This article examines the trade-off between efficiency and linearity quantitatively and advances a useful design rule.
引用
收藏
页码：295 / 305
页数：11
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