Microwave filter

Details Microwave filter Microwave filter

1987-06-23

1988-03-29

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333 21R, 333229, H01P 1208, H01P 706

Patent

active

047346655

ABSTRACT:
A microwave filter composed of at least two cavity resonators disposed adjacent one another, and a coupling aperture disposed between the resonators for coupling microwave energy between the resonators, one of the cavity resonators being operative to propagate microwave energy having a TE mode and the other of the cavity resonators being operative to propagate microwave energy having a TM mode, wherein the coupling aperture is constructed for coupling the TE mode in the one cavity resonator with the TM mode in the other cavity resonator.

REFERENCES:
patent: 3646481 (1972-02-01), Den
patent: 3697898 (1972-10-01), Blachier et al.
patent: 4129840 (1978-12-01), Mok
Tang and Chaudhuri, IEEE Transactions on Microwave Theory and Techniques, A True Elliptic-Function Filter Using Triple-Mode Degenerate Cavities, vol. MTT-32, No. 11, Nov. 1984, pp. 1449-1454.

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