Coaxial type tunable hyperfrequency elimination band filter comp

Details Coaxial type tunable hyperfrequency elimination band filter comp Coaxial type tunable hyperfrequency elimination band filter comp

1984-05-09

1986-10-28

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333219, 333235, 333207, H01P 120

Patent

active

046201688

ABSTRACT:
A tunable hyperfrequency elimination band filter forms a coaxial line having a rectangular cross-section external conductor enclosing a rectangular cross-section internal conductor which is substantially co-axial therewith. A plurality of cylindrical resonators are mounted on an interior face of the external conductor. The width of the internal conductor is reduced in areas adjacent to each resonator. The resonators are cylindrically shaped and constructed of a dielectric material. Each resonator is mounted to the interior face by means of dielectric screws which may be adjusted to cause the central frequency of the filter to be tuned. Hyperfrequency absorbent material may be placed on the interior walls in areas opposite the resonators.

REFERENCES:
patent: 2764743 (1956-09-01), Robertson
patent: 4184130 (1980-01-01), Nishikawa et al.
patent: 4459570 (1984-07-01), Delaballe et al.

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