Inductance and capacitance noise filter

Details Inductance and capacitance noise filter Inductance and capacitance noise filter

1990-02-14

1991-08-13

Laroche, Eugene R.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333185, 336200, H03H 701, H03H 709

Patent

active

050399640

ABSTRACT:
A distributed constant type LC noise filter includes a dielectric formed into an insulating plate or cylinder, a first conductor spirally formed on the dielectric at one side to function as an inductor, a second conductor spirally formed on the other side of the dielectric at a location opposite to the first conductor to form a distributed constant type capacitor between the first and second conductors, and a shield conductor located on the dielectric between each adjacent lines in the first conductor to prevent a short-circuit therebetween, whereby noise components in signals on the first conductor can be eliminated without any short-circuit between each adjacent lines in the first conductor.

REFERENCES:
patent: 4253079 (1981-02-01), Brosh
patent: 4494100 (1985-01-01), Stengel et al.
patent: 4614925 (1986-09-01), Kane
patent: 4728911 (1988-03-01), Sjogren
patent: 4943793 (1990-07-01), Ngo et al.

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