A 15-GHz single-pole double-throw annular MOSFET switch for space application

被引:1
|
作者
Wang, L [1 ]
Sun, PP [1 ]
Rajashekharaiah, M [1 ]
Heo, D [1 ]
Champion, CL [1 ]
Larue, GS [1 ]
机构
[1] Washington State Univ, Sch Elect Engn & Comp Sci, Pullman, WA 99164 USA
来源
2005 IEEE Workshop on Microelectronics and Electron Devices | 2005年
关键词
SPDT switch; annular MOSFET; radiation tolerant; conformal mapping;
D O I
10.1109/WMED.2005.1431633
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 high isolation 15-GHz radiation tolerant SPDT (Single-Pole Double-Throw) annular MOSFET switch, for space application, was designed and integrated in a SiGe BiCMOS process. Schwartz-Christoffel transformation, based on conformal mapping, and parasitic capacitance extraction methods were utilized to derive the equivalent circuit model of the octagonal annular MOSFET, which has demonstrated improved total-dose radiation tolerance in CMOS circuits. The designed switch achieves 40.5-dB isolation at 15-GHz.
引用
收藏
页码:103 / 106
页数:4
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