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16.6- and 28-GHz fully integrated CMOS RF switches with improved body floating

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16.6- and 28-GHz fully integrated CMOS RF switches with improved body floating

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Title: 16.6- and 28-GHz fully integrated CMOS RF switches with improved body floating
Author: Li, Qiang; Zhang, Yue Ping; Yeo, Kiat Seng; Lim, Wei Meng
Copyright year: 2008
Abstract: This paper presents two fully integrated CMOS transmit/receive (T/R) switches with improved body-floating operations. The first design exploits an improved transistor layout with asymmetric drain–source region, which reduces the drain–source feed-through for body-floated RF switches. In the second design, a switched body-floating technique is proposed, which reconfigures the body-floating condition of a switch transistor in the ON and OFF states. Both designs are fabricated in a standard 0.13-µm triple-well CMOS process.With regard to 2-dB insertion loss, the switch with asymmetric drain–source achieves 28-GHz bandwidth, which is among the highest reported frequencies for CMOS T/R switches. The bandwidth of the switched body-floating design is 16.6 GHz. There is approximately 5 dB better isolation obtained in the switched body-floating design. With the resistive double-well body-floating technique, 26.5- and 25.5-dBm input 1-dB compression point (P 1dB) are obtained, respectively. Both designs consume only 150 µm X 100 µm die area. The demonstrated T/R switches are suitable for high-frequency and wideband transceivers.
Subject: DRNTU::Engineering::Electrical and electronic engineering.
Type: Journal Article
Series/ Journal Title: IEEE transactions on microwave theory and techniques
School: School of Electrical and Electronic Engineering
Rights: IEEE Transactions on Microwave Theory and Techniques © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. http://www.ieee.org/portal/site.
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