E-plane type wide band composite filter

Details E-plane type wide band composite filter E-plane type wide band composite filter

1987-09-17

1989-01-24

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333 33, 333202, 333248, H01P 1207, H01P 502

Patent

active

048003492

ABSTRACT:
The present invention relates to an E-plane type wideband composite filter comprising a conductive screening body (11, 12) having an elongate cavity (14) therein with a blade cut into a ladder shape disposed longitudinally therein. Said body comprises two portions held against each other on either side of a separation plane along which said ladder (15) is disposed, with two irises (16, 17) being disposed transversely at the inlet and at the outlet of said cavity (14), each closing off a portion thereof.

REFERENCES:
patent: 2588262 (1952-03-01), Matare
patent: 3914713 (1975-10-01), Konishi et al.
patent: 4028650 (1977-06-01), Konishi et al.
IEEE Transactions on Microwave Theory and Techniques, vol. MTT-33, No. 7, Jul. 1985, pp. 654-659, IEEE New York, US,; F. Arndt et al.: "E-Plane Integrated Parallel-Strip Screen Waveguide Filters".
IEEE Transactions on Microwave Theory and Techniques, vol. MTT-32, No. 1, Jan. 1984, pp. 133-135, IEEE, New York, U.S.; R. Vahldieck et al.: "W-Band Low-Insertion-Loss E-Plane Filter".
IEEE Transactions on Microwave Theory and Techniques, vol. MTT-15, No. 2, Feb. 1967, pp. 134-136, IEEE New York, U.S.; J. Reed: "Precision Design of Direct Coupled Filters".
Proceeding of the European Microwave Conference, Nuremberg, 5-8, Sep. 1983, conf. 13, pp. 168-173, Microwave Exh. & Publ. Tunbridge Wells, GB; J. Bornemann et al.: "Double Planar Integrated Millimeter-Wave Filter".
"Asymmetric Iris for a Waveguide" (Heins), 621,566, published Jun. 8, 1954, Official Gazette, vol. 683, Sep. 10, 1954, 1 page.

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