RF front-end with on-chip transmitter/receiver isolation using a gyrator
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United States of America Patent
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Aug 20, 2013
Grant Date -
Jun 30, 2011
app pub date -
Mar 19, 2010
filing date -
Dec 30, 2009
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Abstract
An RF front-end with on-chip transmitter/receiver isolation using a gyrator is presented herein. The RF front end is configured to support full-duplex communication and includes a gyrator and a transformer. The gyrator includes two transistors that are configured to isolate the input of a low-noise amplifier (LNA) from the output of a power amplifier (PA). The gyrator is further configured to isolate the output of the PA from the input of the LNA. The gyrator is at least partially or fully capable of being integrated on silicon-based substrate.
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