Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 9, 2008
Patent Application Number
11546260
Date Filed
October 12, 2006
Patent Primary Examiner
Patent abstract
A high-frequency switching apparatus is composed of a transfer circuit unit including a plurality of FETs, and a shunt circuit unit including a plurality of FETs, as well. An electromagnetic wave absorption material element is connected to an end of the shunt circuit unit. To a connection point between the shunt circuit unit and the electromagnetic wave absorption material element, an external voltage terminal for fixing a potential at the point is connected. By this, a high-frequency switching apparatus is obtained which is excellent in isolation characteristics and is hard to break down even when a signal of a high voltage, such as an electrostatic surge, flows into the apparatus.
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