A CMOS Active Balun-LNA With Imbalance Correction and Noise Cancelling

被引：0

作者：

Qin, Pei ^{[1
]}

Xue, Quan

机构：

[1] City Univ Hong Kong, Dept Elect Engn, State Key Lab Millimeter Waves, Hong Kong, Hong Kong, Peoples R China

来源：

2016 IEEE INTERNATIONAL WORKSHOP ON ELECTROMAGNETICS: APPLICATIONS AND STUDENT INNOVATION COMPETITION (IWEM) | 2016年

关键词：

Active balun; low noise amplifier (LNA); phase error; magnitude error; imbalance correction; noise cancelling;

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：

This paper presents an active balun topology with differential imbalance correction and noise cancelling schemes. The imbalance correction scheme can effectively ameliorate both the magnitude and phase errors induced by circuit asymmetry, parasitic and layout mismatch. Noise cancelling exists in each individual stage, which leads to good noise performance. With sufficient gain and low noise figure, this balun can also work as a low noise amplifier (LNA) in RF front end. Implemented in 65nm CMOS process, the balun-LNA exhibits maximum power gain of 16dB, minimum noise figure of 3.8dB and input matching better than -20dB. The measured magnitude and phase errors are less than 0.6dB and 7 degrees, respectively.

引用

页数：3

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