NDLI: A Novel Multi-Stack Device Structure and its Analysis for High Power CMOS Switch Design

Content Provider	IEEE Xplore Digital Library
Author	Minsik Ahn Chang-Ho Lee Byung-Sung Kim Laskar, J.
Copyright Year	2007
Description	Author affiliation: Georgia Inst. of Technol., Atlanta (Minsik Ahn)
Abstract	A novel multi-stack CMOS device structure is proposed, the operation of the structure is fully analyzed for high power CMOS switch design. The structure is also implemented in a standard 0.18-um triple-well CMOS process, and its performance is fully characterized. The proposed switch device incorporates multi-stack NMOS switches, one of which has a switch at the bulk and the others of which have a connection between the bulk and the source in order to provide high power handling capability to the transmit switch side. In order to demonstrate the improvement of power handling capability, performance of the conventional structure and the proposed structure are fully analyzed, compared from various simulation results, and verified with measurement results in detail. Experimental data show that the isolation of the proposed test structure is 25 dB higher at 30 dBm input power level than that of conventional structures, which was caused by the significant reduction of leakage current of the switch device in OFF state. In addition, insertion loss of the Rx switch can be maintained as 1.5 dB by applying body switching technique in 900 MHz.
Starting Page	1393
Ending Page	1396
File Size	1578020
Page Count	4
File Format	PDF
ISBN	1424406870
ISSN	0149645X
DOI	10.1109/MWSYM.2007.380491
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switches CMOS technology Communication switching Radio frequency Switching circuits FETs Voltage MOS devices Radiofrequency integrated circuits CMOS process power FET switch CMOS integrated circuits CMOSFET switches radio frequency (RF) switch
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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