A 28mW WCDMA/GSM/GPRS/EDGE Transformer-Based Receiver in 45nm CMOS

被引：1

作者：

Griffith, Danielle ^{[1
]}

Srinivasan, Venkatesh ^{[1
]}

Pennisi, Salvatore ^{[1
]}

Rentala, Vijay ^{[1
]}

Su, Yu ^{[1
]}

Sankaran, Swaminathan ^{[1
]}

Elahi, Imtinan ^{[1
]}

Samala, Sreekiran ^{[1
]}

Kiper, Halil ^{[1
]}

Patel, Bijit ^{[1
]}

Akhtar, Siraj ^{[1
]}

Edmondson, Dan ^{[1
]}

机构：

[1] Texas Instruments Inc, Dallas, TX 75243 USA

来源：

2010 IEEE RADIO FREQUENCY INTEGRATED CIRCUITS RFIC SYMPOSIUM | 2010年

关键词：

45nm; CMOS; EDGE; GSM; radio receiver; transformer; WCDMA; MIXER;

D O I：

10.1109/RFIC.2010.5477404

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A transformer-based receiver designed in 45nm CMOS that meets WCDMA, GSM, GPRS, and EDGE system requirements is presented. The receiver requires no interstage SAW filters and consumes 20mA from 1.4V. The use of a transformer at the LNA output helps achieve high linearity by lowering the voltage swing while simultaneously providing current gain. The analog back end is implemented with two cascaded gain stages and a 2(nd) order Sigma Delta ADC. The receiver has a gain of 60dB, noise figure of 3.0dB and an IIP2 of >+50dBm on both I+Q channels. The die area is 1.35mm(2) for 4 bands.

引用

页码：9 / 12

页数：4

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