Invention Grant
US08089329B2 Semiconductor switch, semiconductor switch MMIC, changeover switch RF module, power resistance switch RF module, and transmitter and receiver module
有权
半导体开关，半导体开关MMIC，转换开关RF模块，电源开关RF模块以及发射和接收模块
- Patent Title: Semiconductor switch, semiconductor switch MMIC, changeover switch RF module, power resistance switch RF module, and transmitter and receiver module
- Patent Title (中): 半导体开关，半导体开关MMIC，转换开关RF模块，电源开关RF模块以及发射和接收模块
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Application No.: US12613557Application Date: 2009-11-06
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Publication No.: US08089329B2Publication Date: 2012-01-03
- Inventor: Yoshihiro Tsukahara
- Applicant: Yoshihiro Tsukahara
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Electric Corporation
- Current Assignee: Mitsubishi Electric Corporation
- Current Assignee Address: JP Tokyo
- Agency: Leydig, Voit & Mayer, Ltd.
- Priority: JP2009-049206 20090303
- Main IPC: H01P1/15
- IPC: H01P1/15 ; H01P5/18
Abstract:
A semiconductor switch for switching a signal according to input power and maintaining performance of a receiver system with a simple configuration. The semiconductor switch comprises: a first FET connected between a first input/output terminal and a second input/output terminal; a first transmission line connected between the first input/output terminal and a third input/output terminal; a second transmission line parallel to the first transmission line; and a detector circuit connected to one end of the second transmission line, for outputting a DC voltage corresponding to power level of the high frequency signal, branched by the second transmission line. The first FET is controlled and switched according to an output from the detector circuit to switch between a route from the first input/output terminal to the second input/output terminal and a route from the first input/output terminal to the third input/output terminal.
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