Coupling block assembly with band-reject filter

Details Coupling block assembly with band-reject filter Coupling block assembly with band-reject filter

1982-01-28

1984-04-24

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333226, 333230, 333232, H01P 1202, H01P 704, H01P 504

Patent

active

044451008

ABSTRACT:
A band-reject filter comprises a resonator with an adjustable resonator rod which is mounted in proximity to a co-axial assembly. The coupling rod passes thru the inner conductor of the co-axial assembly and extends into the resonator. At the end of the rod inside the resonator there is a coupling disc. Means are provided to adjust the distance between the resonator rod and the disc. The frequency rejected by the filter can be adjusted by either adjusting the length of the resonator rod or by adjusting the distance between the disc and the resonator rod.

REFERENCES:
patent: 2489433 (1949-11-01), Rambo
patent: 3876963 (1975-04-01), Graham
patent: 4182997 (1980-01-01), Brambilla
patent: 4382238 (1983-05-01), Makimoto et al.

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