A 2-GHz wide-band direct conversion receiver for WCDMA applications

被引：90

作者：

Pärssinen, A ^{[1
]}

Jussila, J ^{[1
]}

Ryynänen, J ^{[1
]}

Sumanen, L ^{[1
]}

Halonen, KAI ^{[1
]}

机构：

[1] Helsinki Univ Technol, Elect Circuit Design Lab, FIN-02015 HUT, Finland

来源：

IEEE JOURNAL OF SOLID-STATE CIRCUITS | 1999年 / 34卷 / 12期

关键词：

active filters; analog-digital conversion; BiCMOS analog integrated circuits; direct conversion; gain control; low noise amplfiers; mixers; radio receivers;

D O I：

10.1109/4.808914

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 2-GHz direct conversion receiver for third-generation mobile communications using wide-band code division multiple access achieves -114-dBm sensitivity for 128 kb/s data at 4.096-Mcps spreading rate. The receiver is distributed on four dies. The active RC channel selection filter can be programmed to three different bandwidths from 5- to 20-MHz radio-frequency (RP) spacing, and the gain control is merged with filtering. RF and baseband chips use a 25-GHz, 0.35-mu m BICMOS technology while the two analog-to-digital converters are implemented with a 0.5-mu m CMOS, The double-sideband noise figure is 5.1 dB at the 94-dB maximum voltage gain, and the IIP3 and IIP2 are -9.5 and +38 dBm, respectively. The receiver draws 128 mA from a 2.7-V supply.

引用

页码：1893 / 1903

页数：11

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