A 20GHz Low Noise CMOS Active Balun Using Asymmetric Transformer

被引：0

作者：

Tsutsumi, Koji ^{[1
]}

Inagaki, Ryuji ^{[1
]}

Nakai, Takayuki ^{[1
]}

Takeuchi, Ryosuke ^{[1
]}

Taniguchi, Eiji ^{[1
]}

机构：

[1] Mitsubishi Electr Corp, 5-1-1 Ofuna, Kamakura, Kanagawa 2478501, Japan

来源：

2014 ASIA-PACIFIC MICROWAVE CONFERENCE (APMC) | 2014年

关键词：

CMOS integrated circuit; Baluns; Low-noise circuits; Transformers;

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 20GHz-band low noise CMOS active balun is presented. The proposed circuit utilizes asymmetric transformer to CG-CS(Common Gate-Common Source) noise canceling active balun, in order to lower amplitude and phase errors in high frequency operation. Analysis with circuit simulation and measurement results verifies that the proposed circuit effectively reduce noise figure at 20GHz band while keeping differential output balance. The proposed circuit is fabricated in 0.13um CMOS process, and achieved noise figure of 7.2dB at 21GHz which is 2dB lower than active balun with symmetric transformer.

引用

页码：423 / 425

页数：3

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