A 2 GHz variable gain low noise amplifier in 0.18-μm CMOS

被引：0
|
作者：
Shaikh K. Alam
Joanne DeGroat
机构：
[1] The Ohio State University,Department of Electrical and Computer Engineering
来源：
Analog Integrated Circuits and Signal Processing | 2008年 / 56卷
关键词：
Analog RF-CMOS; Front-end; LNA; Receiver; WCDMA;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper describes a 2 GHz active variable gain low noise amplifier (VGLNA) in a 0.18-μm CMOS process. The VGLNA provides a 50-Ω input impedance and utilizes a tuned load to provide high selectivity. The VGLNA achieves a maximum small signal gain of 16.8 dB and a minimum gain of 4.6 dB with good input return loss. In the high gain and the low gain modes, the NFs are 0.83 dB and 2.8 dB, respectively. The VGLNA’s IIP3 in the high gain mode is 2.13 dBm. The LNA consumes approximately 4 mA of current from a 1.8-V power supply.
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页码：37 / 42
页数：5
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