Low-power CMOS polar modulator for multiband and multimode RF transmitter

被引：0
|
作者：
Paek, J-S. [1 ]
Lee, H. -Y. [1 ]
Hong, S. [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Sch Engn, Taejon 305701, South Korea
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 14期
关键词：
Current sources - GSM/EDGE systems - Low Power - Low-power consumption - Multi-band operations - Multiband - Multimodes - Output matching network - Polar modulators - RF transmitter;
D O I：
10.1049/el.2010.1001
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：
A low-power polar modulator for a multiband and multimode RF transmitter is presented. The multimode capability of the modulator was tested with WCDMA and GSM/EDGE system requirements. The polar modulator consists of a saturated amplifier with a modulating current source which allows low power consumption. The multiband operation is obtained by tuning an LC output matching network.
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页码：1032 / U104
页数：2
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