A differential variable gain SiGeBiCMOS LNA design using current splitting and feedback techniques

被引：0

作者：

Tai, Chiung-Feng ^{[1
]}

Tsai, Chih-Yu ^{[1
]}

Chiou, Hwann-Kaeo ^{[1
]}

机构：

[1] Natl Cent Univ, Dept Elect Engn, Jhongli, Taiwan

来源：

2005 IEEE INTERNATIONAL WORKSHOP ON RADIO-FREQUENCY INTEGRATION TECHNOLOGY, PROCEEDINGS: INTEGRATED CIRCUITS FOR WIDEBAND COMMUNICATION AND WIRELESS SENSOR NETWORKS | 2005年

关键词：

low noise amplifier; current splitting; WCDMA;

D O I：

暂无

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 differential variable gain low noise amplifier (DVGLNA) using the 0.35 mu M 3P3M SiGe BiCMOS process is described in this work. The differential LNA with gain control and high linearity has been developed for WCDMA applications. Using this gain control topology, differential variable gain LNA remains its input and output return loss in both high gain and low gain mode. The circuit measurement is performed by using a FR-4 PCB test fixture. The differential LNA achieves gain of 16.5dB, noise figure of 2.1dB, the third-order intercept point of -2dBm, and the gain control range of 11dB.

引用

页码：179 / 182

页数：4

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