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A 1.2 V 15–32 GHz low-power single-balanced gate mixer with a miniature rat-race hybrid

Published online by Cambridge University Press:  03 April 2012

Chung-Chun Chen ,
Chun-Hsien Lien ,
Hen-Wai Tsao  and
Huei Wang
Chung-Chun Chen*
Affiliation:
Silicon Creations Inc., 49 Highway 23 NE, Suwanee, GA 30024, USA.
Chun-Hsien Lien
Affiliation:
ACE Solution, Hsinchu, Taiwan 302, Republic of China. Phone: + 1 404 398 9426.
Hen-Wai Tsao
Affiliation:
Department of Electrical Engineering, Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, Taiwan 10617, Republic of China.
Huei Wang
Affiliation:
Department of Electrical Engineering, Graduate Institute of Communication Engineering, National Taiwan University, Taipei, Taiwan 10617, Republic of China.
*
Corresponding author: C.-C. Chen Email: [email protected]
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Abstract

A 15–32 GHz miniature single-balanced gate mixer is proposed and analyzed. It achieves a smaller chip area with acceptable conversion gain and port-to-port isolation. In addition, the design procedure is described in detail. This mixer, fabricated in 90 nm digital CMOS technology, demonstrates a measured conversion loss of 1 dB and higher than 30 dB RF-to-LO port isolation from 17 to 32 GHz, at a local oscillator (LO) driver power of −4.3 dBm. The total dc power consumption is only 6 mW from a 1.2 V supply, including output buffer. The low dc power consumption and LO driver power reduce the power budget, and the proposed miniature rat-race hybrid facilitates integration in a receiver.

Keywords

Gate mixerminiaturerat-race hybridsingle-balanced
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 4 , Issue 4 , August 2012 , pp. 455 - 461
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2012

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