WIDE BANDWIDTH AUTOMATIC TUNING CIRCUIT
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United States of America Patent
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Issued Date -
Jan 10, 2013
app pub date -
Jul 6, 2011
filing date -
Jul 6, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An automatic tuning circuit for matching an antenna to a radio receiver. The automatic tuning circuit includes a tunable non-Foster circuit for coupling the receiver and the antenna; and sensing and feedback circuits for sensing the combined capacitance of the tunable non-Foster circuit and the antenna and for tuning the tunable non-Foster circuit to automatically minimize the combined capacitance of the tunable non-Foster circuit and the antenna.
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