Layered transmission line filter with a capacitively coupled ele

Details Layered transmission line filter with a capacitively coupled ele Layered transmission line filter with a capacitively coupled ele

1994-09-01

1996-03-05

Lee, Benny

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333219, H01P 1203, H01P 708

Patent

active

054971306

ABSTRACT:
A compact stripline filter for use in a high frequency circuit for a portable telephone, for example, including an internal ground electrode. The filter includes first resonator having a first main surface, a first ground electrode disposed in an opposed facing relationship to the entire surface of the first main surface of the first resonator, a first dielectric layer interposed between the first main surface of the first resonator and the first ground electrode, and a first internal ground electrode formed in the first dielectric layer and disposed in an opposed facing relationship to a portion of the first main surface of the first resonator.

REFERENCES:
patent: Re31470 (1983-12-01), Bedard et al.
patent: 3451015 (1969-06-01), Heath
patent: 4418324 (1983-11-01), Higgins
patent: 4692726 (1987-09-01), Green et al.
patent: 4963843 (1990-10-01), Peckham
patent: 5122768 (1992-06-01), Ito et al.
patent: 5192926 (1993-03-01), Sogo et al.
patent: 5248949 (1993-09-01), Eguchi et al.
patent: 5344695 (1994-09-01), Hirai et al.

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