A 3.1-4.8 GHz CMOS receiver for MB-OFDM UWB

A 3.1-4.8 GHz CMOS receiver for MB-OFDM UWB

An integrated fully differential ultra-wideband CMOS receiver for 3.1-4.8 GHz MB-OFDM systems is presented. A gain controllable low noise amplifier and a merged quadrature mixer are integrated as the RF front-end. Five order Gm-C type low pass filters and VGAs are also integrated for both I and Q IF...

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Veröffentlicht in:Journal of semiconductors 2009, Vol.30 (1), p.59-64
1. Verfasser: 杨光 姚望 尹江伟 郑仁亮 李巍 李宁 任俊彦
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Sprache:eng
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前置放大器
半导体
无线电频率
混频器
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description An integrated fully differential ultra-wideband CMOS receiver for 3.1-4.8 GHz MB-OFDM systems is presented. A gain controllable low noise amplifier and a merged quadrature mixer are integrated as the RF front-end. Five order Gm-C type low pass filters and VGAs are also integrated for both I and Q IF paths in the receiver. The ESD protected chip is fabricated in a Jazz 0.18μm RF CMOS process and achieves a maximum total voltage gain of 65 dB, an AGC range of 45 dB with about 6 dB/step, an averaged total noise figure of 6.4 to 8.8 dB over 3 bands and an in-band IIP3 of-5.1 dBm. The receiver occupies 2.3 mm2 and consumes 110 mA from a 1.8 V supply including test buffers and a digital module.
doi_str_mv 10.1088/1674-4926/30/1/015005
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subjects 前置放大器
半导体
无线电频率
混频器
title A 3.1-4.8 GHz CMOS receiver for MB-OFDM UWB
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