Filter formed with a one piece U-shape ferrite core

Details Filter formed with a one piece U-shape ferrite core Filter formed with a one piece U-shape ferrite core

1996-08-23

1998-06-23

Pascal, Robert

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333181, 336 73, H03H 709

Patent

active

057709840

ABSTRACT:
An EMI filter formed with a U-shaped ferrite core with parallel first and second legs and a center leg surrounded by a grounding and shorting strap and a capacitor connected between the grounding and shorting strap and a portion of a conductor which extends between the first and second legs. Two or more of the filters can be formed as a stacked array. The filter has a substantially improved frequency response over the prior art.

REFERENCES:
patent: 2466028 (1949-04-01), Klemperer
patent: 4384263 (1983-05-01), Neuman et al.
patent: 4488201 (1984-12-01), Webb et al.
patent: 4622526 (1986-11-01), Schneider et al.
patent: 4761623 (1988-08-01), Schneider
patent: 5321373 (1994-06-01), Shusterman et al.
patent: 5434740 (1995-07-01), Chan
patent: 5446428 (1995-08-01), Kumeji et al.

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