Filter array having a plurality of capacitance elements

Details Filter array having a plurality of capacitance elements Filter array having a plurality of capacitance elements

1990-02-14

1991-06-11

Laroche, Eugene R.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

361330, H03H 701

Patent

active

050235788

ABSTRACT:
A filter array includes a dielectric unit with a plurality of individual electrodes formed on one main surface and a common electrode on the other main surface. The individual electrodes are formed at predetermined intervals so as to extend across the dielectric unit in a direction of a width of the dielectric unit. Since each of the individual electrodes and the common electrode face each other, they form with the dielectric unit, a plurality of capacitance elements. To both ends of each of the individual electrodes, input and output terminals are respectively connected. The input and output terminals project outward from the dielectric unit. A conductive plate is joined to the common electrode, and common terminals are integrally formed on the conductive plate so as to extend outward in a direction of the width of the dielectric unit. Each of the pairs of input and output terminals are inserted and connected to respective signal lines and the common terminals are connected to ground.

REFERENCES:
patent: 4126840 (1978-11-01), Selvin
patent: 4739440 (1988-04-01), Fujiki et al.
patent: 4758805 (1988-07-01), Yamazaki et al.
patent: 4782310 (1988-11-01), Saburi et al.
Boutros, K. S.; "A New Approach to the Design of EMI Filter Connectors Using Planar Filters"; 12th Ann. Connector Symposium Proc.; Cherry Hill, N.J.; Oct. 17, 18 1979; pp. 222-226.

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