Polar loop transmitter for GSM/GPRS/EDGE

被引：0

作者：

Sowlati, T ^{[1
]}

Rozenblit, D ^{[1
]}

Pullela, R ^{[1
]}

Damgaard, M ^{[1
]}

Koh, D ^{[1
]}

McCarthy, E ^{[1
]}

Ripley, D ^{[1
]}

Balteanu, F ^{[1
]}

Gheorghe, I ^{[1
]}

Juan, K ^{[1
]}

Wloczysiak, S ^{[1
]}

Firoiu, D ^{[1
]}

机构：

[1] Skyworks Solut Inc, Irvine, CA 92606 USA

来源：

2005 IEEE RADIO FREQUENCY INTEGRATED CIRCUITS (RFIC) SYMPOSIUM, DIGEST OF PAPERS | 2005年

关键词：

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：

An EDGE transmitter using a non-linear GSM type PA is presented. It is based on a Polar Loop architecture that employs separate feedback control of the amplitude and the phase of the output signal. With this approach the problems with AM-to-PM as well as AM-to-AM of the non-linear PA are essentially eliminated. There is no mode change between GMSK and EDGE, and the transmitter operates seamlessly in Multi-slot EGPRS. The polar modulation transmitter meets all the GSM type approval requirements for both EDGE and GMSK in quad band (850/900/1800/1900 MHz). It is part of an RF Subsystem which is in production.

引用

页码：13 / 16

页数：4

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