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.
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页码：13 / 16
页数：4
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