INTEGRATED CIRCUIT, WIRELESS COMMUNICATION UNIT, AND METHOD FOR ANTENNA MATCHING
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
Dec 16, 2014
filing date -
Oct 29, 2014
priority date (Note) -
Abandoned
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Abstract
A radio frequency integrated circuit for a wireless device to an antenna, wherein the antenna is coupled to the radio frequency circuit via at least one off-chip inductor that forms a first portion of an antenna matching circuit, wherein the integrated circuit includes: a first port coupleable to the radio frequency circuit; a second port coupleable to the antenna, and a second portion of the antenna matching circuit located between the first port and second port and coupled in parallel with the at least one off-chip inductor. The second portion of the antenna matching circuit includes: at least one on-chip inductor; and at least one radio frequency switch coupled in series with the at least one on-chip inductor and arranged to selectively introduce the at least one on-chip inductor into the antenna matching circuit.
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