Microwave filter device

Details Microwave filter device Microwave filter device

1987-05-27

1988-07-12

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333205, 333235, H01P 1203, H01P 708

Patent

active

047572868

ABSTRACT:
A microwave filter having a filtering effect against specific frequencies is fabricated by erecting a second dielectric substrate on the upper surface of a first dielectric substrate, a resonating circuit is formed by locating strip lines facing towards each other on both surfaces of this second dielectric substrate, and the strip lines are connected to input and output lines on the first dielectric substrate.

REFERENCES:
patent: 3656179 (1972-04-01), De Loach
patent: 4160220 (1979-07-01), Stachejko
patent: 4288766 (1981-09-01), Okita
patent: 4429289 (1984-01-01), Higgins, Jr. et al.
patent: 4488131 (1984-12-01), Griffin et al.

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