Coupling circuit for power line communications
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United States of America Patent
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Mar 26, 2019
Grant Date -
Apr 19, 2018
app pub date -
May 26, 2017
filing date -
Oct 19, 2016
priority date (Note) -
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Abstract
A coupling circuit for power line communications includes a coupling transformer having first and second mutually coupled windings, with the first winding connectable to a power line. The second winding includes a pair of intermediate taps with one or more tuning inductor therebetween. The inductor or inductors are set between a first portion and a second portion of the second winding of the coupling transformer. A switch member is provided coupled with the inductor. The switch member is selectively actuatable to short-circuit the inductor.
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