POWER EFFICIENCY ANALYSIS OF ENVELOPE ELIMINATION AND RESTORATION TECHNIQUE IN DIFFERENT TOPOLOGIES

被引：0
|
作者：
Alon, M. [1 ]
Singer, S. [1 ]
Spiegel, S. J. [2 ]
机构：
[1] Tel Aviv Univ, Fac Engn, Sch Elect Engn, IL-69978 Tel Aviv, Israel
[2] RIO Syst, Tel Aviv IL-61392, Israel
来源：
2008 IEEE 25TH CONVENTION OF ELECTRICAL AND ELECTRONICS ENGINEERS IN ISRAEL, VOLS 1 AND 2 | 2008年
关键词：
EER; PAE; PAR;
D O I：
暂无
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：
Modem wireless communication transmit systems require power efficient and linear power amplifiers. This paper investigates different topologies of power processing systems applied to EDGE and WLAN systems, based on Envelope Elimination and Restoration (EER). The analysis takes into account the power distribution of the signals, the the power dissipated at the source and the output power. By comparing the power processing systems, assuming the power amplifier as the load impedance, the most suitable topology is determined. The results indicate power efficiency above 50% and 32% for EDGE and VILAN systems respectively over a wide output power range.
引用
收藏
页码：785 / +
页数：2
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