High-bandwidth, high-efficiency envelope tracking power supply for 40W RF power amplifier using paralleled bandpass current sources

被引：25
|
作者：
Hoyerby, MCW [1 ]
Andersen, MAE [1 ]
机构：
[1] Tech Univ Denmark, DK-2800 Lyngby, Denmark
来源：
2005 IEEE 36th Power Electronic Specialists Conference (PESC), Vols 1-3 | 2005年
关键词：
D O I：
10.1109/PESC.2005.1582030
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper presents a high-performance power conversion scheme for power supply applications that require very high output voltage slew rates (dV/dt). The concept is to parallel 2 switching bandpass current sources, each optimized for its passband frequency space and the expected load current. The principle is demonstrated with a power supply, designed for supplying a 40 W linear RF power amplifier for efficient amplification of a 16-QAM modulated data stream.
引用
收藏
页码：2804 / 2809
页数：6
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