FEED-FORWARD CIRCUIT TO IMPROVE INTERMODULATION DISTORTION PERFORMANCE OF RADIO-FREQUENCY SWITCH
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United States of America Patent
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Issued Date -
Jan 9, 2014
app pub date -
Jul 6, 2013
filing date -
Jul 7, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Radio-frequency (RF) switch circuits are disclosed providing improved switching performance. An RF switch system includes at least one field-effect transistor (FET) disposed between a first node and a second node, each having a respective source, drain, gate, and body. The system includes a coupling circuit including a first path and a second path, the first path being between the respective source or the respective drain and the respective gate of the at least one FET, the second path being between the respective source or the respective drain and the respective body of the at least one FET. The coupling circuit may be configured to allow discharge of interface charge from either or both of the coupled gate and body.
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