Dual-mode cavity filter having input and output coupling irises

Details Dual-mode cavity filter having input and output coupling irises Dual-mode cavity filter having input and output coupling irises

1993-10-22

1995-01-10

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333212, H01P 1208

Patent

active

053811186

ABSTRACT:
Agile microwave filter having at least two two-mode cavities with parallel axes and coupled by an iris. The input and output ports are irises in the back plate of the filter. The frequency response of the filter is therefore symmetrical. The plate and therefore the irises are interchangeable to increase the agility of the filter.

REFERENCES:
patent: 3070873 (1963-01-01), Gordon
patent: 3936775 (1976-02-01), Snyder
patent: 4396896 (1983-08-01), Williams
patent: 4630009 (1986-12-01), Tang
Microwave Systems News, vol. 6, No. 4, Sep.1976, Palo Alto, US, pp. 75-77, A. E. Atia et al. "Waveguide filters for space, smaller, lighter and fewer cavities".
1990 IEEE MTT-S International Microwave Symposium-Digest, vol. 1, May 8-10, 1990, Dallas, US; IEEE, New York, US, 1990, U. Rosenberg: "A new multiplexing principle".

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