LC noise filter

Details LC noise filter LC noise filter

1994-07-18

1996-02-27

Kozma, Thomas J.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

336 69, 336200, 336223, 333185, H03H 700, H01F 2728

Patent

active

054952131

ABSTRACT:
The present invention provides an LC noise filter consisting of a capacitance and an inductance, including a first insulation sheet having a plurality of portions folded alternately in the opposite directions and stacked one above another; a first conductor applied to the insulation sheet at one side and adapted to form a coil having a given number of turns when the folded portions of the insulation sheet are folded alternately in the opposite directions and stacked one above another; and a second conductor applied to the insulation sheet at the other side and located substantially opposite to the first conductor to form a capacitance therebetween, whereby the filter can eliminate incoming noises without creation of any undesirable phenomenon such as ringing or the like.

REFERENCES:
patent: 2851765 (1958-09-01), Hanlet
patent: 2943966 (1960-07-01), Leno et al.
patent: 3210703 (1965-10-01), Loekie
patent: 3609600 (1971-09-01), Kassabgi
patent: 4694283 (1987-09-01), Reeb
IBM Technical Disclosure Bulletin, "Printed Circuit Coil," Styles, vol. 15 No. 1 Jun. 1992, p. 19.
Journal of Electronic Engineering, vol. 22, No. 222, Jun. 1985, "Tokin's EMC parts box, EPB series."

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