Line choke

Details Line choke Line choke

1981-04-30

1983-03-29

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333 12, 333181, 333185, H03H 709

Patent

active

043785395

ABSTRACT:
A line choke is disclosed for use in attenuating interfering emissions on a power line. The choke includes a ferrite core having four holes extending through it. A pair of windings are threaded through the holes and around the center of the core so that the windings crisscross to enhance the mutual coupling between them. Interfering emissions received by the choke are greatly attenuated at relatively low frequencies by the choke acting as a pi section filter, and higher frequency emissions are attenuated by the choke action as a very lossy transmission line.

REFERENCES:
patent: 3683271 (1972-08-01), Kobayashi
patent: 4342013 (1982-07-01), Kallman

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