Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1996-05-28
2000-05-23
Lee, Benny
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333212, 333 99005, H01P 1208
Patent
active
060669969
ABSTRACT:
A microwave filter has at least two resonators, with at least two degenerated wave types resonance-capable in one resonator. The resonators are in operative connection with one another so that possible couplings of the degenerated wave types are only overcouplings and these overcouplings are located outside the resonator in which the two degenerated wave types are resonance-capable. As a result, the microwave filter has higher quality, improved selection properties and optimal polarization adapation.
REFERENCES:
patent: 2795763 (1957-06-01), Tillotson
patent: 4734665 (1988-03-01), Rosenberg et al.
patent: 4760361 (1988-07-01), Kobayashi
patent: 4772863 (1988-09-01), Rosenberg et al.
patent: 5083102 (1992-01-01), Zaki
patent: 5498171 (1996-03-01), Mansoor et al.
Goertz Franz-Josef
Rosenberg Uwe
Schmitt Dietmar
Lee Benny
Robert & Bosch GmbH
Striker Michael J.
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