Filter having a dielectric resonator

Details Filter having a dielectric resonator Filter having a dielectric resonator

1990-04-13

1991-06-25

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

3332191, 333227, H01P 120, H01P 710

Patent

active

050270907

ABSTRACT:
A filter having a dielectric resonator, the filter comprising at least one cylindrical cavity (10) inside which there is a dielectric resonator (11) whose axis of symmetry (.DELTA.) is colinear with the axis of symmetry of the cavity (10), the filter being characterized in that the resonator is held by a system of dished washers (15, 16). Applicable to microwave frequencies.

REFERENCES:
patent: 3562665 (1971-02-01), Larrabee
patent: 4563661 (1986-01-01), O'Bryan, Jr. et al.
patent: 4646038 (1987-02-01), Wanat
patent: 4661790 (1987-04-01), Gannon et al.
patent: 4667172 (1987-05-01), Longshore et al.
patent: 4939489 (1990-07-01), Gueble et al.
patent: 4942377 (1990-07-01), Ishikawa et al.
1982 IEEE MIT-S International Microwave Symposium Digest, Dallas, Tex., 15-17 Jun. 1982, pp. 386-388, IEEE New York, U.S.; S. J. Fiedziuszko et al.: "Miniature Filters and Equalizers Utilizing Dual Mode Dielectric Resonator Loaded Cavities".
Patent Abstracts of Japan, vol. 11, No. 99 (E-493) [2546], Mar. 27, 1987; & JP-A-251 202 (Fujitsu Ltd.) Nov. 8, 1986.

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