Dielectric filter having coupling electrodes for connecting reso

Details Dielectric filter having coupling electrodes for connecting reso Dielectric filter having coupling electrodes for connecting reso

1992-03-27

1994-09-06

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428192, 428901, 333205, 333206, B32B 900

Patent

active

053446950

ABSTRACT:
A tri-plate type dielectric filter having a dielectric substrate, a plurality of resonator electrodes embedded in the substrate, and coupling electrodes formed within the dielectric substrate for capacitively connecting the resonator electrodes to provide capacitors between adjacent resonator electrodes. The resonator electrodes may take the form of parallel elongate strips each providing a stripline type .lambda./4 or .lambda./2 TEM mode resonance circuit. One end of each strip is exposed at an outer surface of the substrate. This end of each strip is trimmed to adjust the resonance frequency of the resonance circuit.

REFERENCES:
patent: 3451015 (1969-06-01), Heath
patent: 3512110 (1970-05-01), Clar
patent: 4157515 (1979-06-01), de Bayser et al.
patent: 4418324 (1983-11-01), Higgins
patent: 4673902 (1987-06-01), Takeda et al.
patent: 4716391 (1987-12-01), Moutrie et al.
patent: 4963843 (1990-10-01), Peckham
patent: 4975664 (1990-12-01), Ito et al.

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