Miniature microwave filter comprising resonators constituted by

Details Miniature microwave filter comprising resonators constituted by Miniature microwave filter comprising resonators constituted by

1984-09-11

1986-11-11

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333246, 334 82, 361278, H01P 1203

Patent

active

046225285

ABSTRACT:
The microwave filter comprises resonators constituted by capacitor-coupled rejector circuits. The tuning and coupling capacitors are composed of parallel metal plates supported and separated by the dielectric of a substrate. The surface of at least one plate of each tuning and/or coupling capacitor is provided with windows which can be sealed-off by a metal deposit in order to permit adjustment of each capacitor to its optimum value.

REFERENCES:
patent: 3688361 (1972-09-01), Bonini
patent: 3755762 (1973-08-01), Boulin
patent: 4007296 (1977-02-01), Ansell
patent: 4074340 (1978-02-01), Leigh
patent: 4157517 (1979-06-01), Kneisel et al.
patent: 4268809 (1981-05-01), Makimoto et al.
patent: 4288530 (1981-09-01), Bedord et al.
patent: 4342972 (1982-08-01), Nishikawa et al.

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