Antenna coil tuning mechanism
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United States of America Patent
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Jun 20, 2017
Grant Date -
N/A
app pub date -
Jun 23, 2016
filing date -
Jun 23, 2016
priority date (Note) -
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Abstract
Disclosed is an integrated circuit for a near-field radio, including an oscillator configured to output a carrier frequency, an inductor capacitor (LC) tank antenna circuit configured to resonate at a resonance frequency, a frequency measuring circuit configured to measure the resonance frequency of the LC tank antenna circuit and compare the resonance frequency to the carrier frequency, and a controller to adjust the frequency of the LC tank antenna circuit to the carrier frequency.
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