Chip attenuator having a capacitor therein

Details Chip attenuator having a capacitor therein Chip attenuator having a capacitor therein

1997-12-29

1999-11-16

Lee, Benny

Wave transmission lines and networks

Attenuators

333172, H01P 122

Patent

active

059865164

ABSTRACT:
An attenuator includes a flat, substantially rectangular substrate of an insulating material having a surface. A plurality of termination areas of a conductive material are on the substrate surface and are spaced from each other. Three resistors are on the substrate surface and are connected in a series parallel combination between the termination areas. The resistors may be formed by three separate resistance layers extending between and connected to the termination areas, or a single resistance layer extending between and connected to the termination areas. A shunt capacitor is on the substrate surface and is connected to one of the resistors. The shunt capacitor is formed by an area of a conductive material on the substrate surface and overlapping a portion of the resistors, and a dielectric layer between the conductive area and the resistor.

REFERENCES:
patent: 3599125 (1971-08-01), Yoshida
patent: 3676807 (1972-07-01), Boer
patent: 4010430 (1977-03-01), Wolfe
patent: 5847624 (1998-12-01), Pritchett

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