A WCDMA, GSM/GPRS/EDGE receiver front end without interstage SAW filter

被引：1
|
作者：
Yanduru, Naveen K. [1 ]
Griffith, Danielle [1 ]
Bhagavatheeswaran, Shanthi [1 ]
Chen, Chien-Chung [1 ]
Dulger, Fikret [1 ]
Fang, Sher-Jiun [1 ]
Ho, Yo-Chuol [1 ]
Low, Kah Mun [1 ]
机构：
[1] Texas Instruments Inc, Dallas, TX 75243 USA
来源：
2006 IEEE RADIO FREQUENCY INTEGRATED CIRCUITS SYMPOSIUM | 2006年
关键词：
WCDMA; GSM/GPRS/EDGE (GGE); dual mode; receivers;
D O I：
10.1109/RFIC.2006.1651078
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 dual mode RF receiver for DCS band in 90nm C'MOS is presented. The receiver uses direct conversion for WCDMA mode and uses 100kHz low IF for GSNI/GPRS/EDGE (GGE) mode. The receiver does not use an interstage SAW filter between LNA and mixer. The mixer stage is followed by a variable gain amplifier. Two times LO clock is provided from external source and a divide by two is used to generate quadrature clocks. The receiver has a NF of 2.9dB and meets all the out of band and in band linearity requirements for both WCDMA and GGE modes.
引用
收藏
页码：9 / 12
页数：4
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