SYSTEM AND COUPLING CIRCUIT FOR POWER LINE COMMUNICATIONS
A coupling circuit (10) for power line communications, includes a coupling transformer (12) having first (121) and second (122), mutually coupled windings, with the first winding (121) connectable to a power line (PL). The second winding (122) includes a pair of intermediate taps (1220a, 1220b) with...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A coupling circuit (10) for power line communications, includes a coupling transformer (12) having first (121) and second (122), mutually coupled windings, with the first winding (121) connectable to a power line (PL). The second winding (122) includes a pair of intermediate taps (1220a, 1220b) with one or more tuning inductor (124) therebetween, wherein the inductor or inductors (124) are set between a first portion (122) and a second portion (122b) of the second winding (122) of the coupling transformer (12). A switch member (126) is provided coupled with the or each inductor (124). The switch member is selectively actuatable (126c) to short-circuit the inductor (124). |
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