Cavity filter and multi-coupler utilizing same

Details Cavity filter and multi-coupler utilizing same Cavity filter and multi-coupler utilizing same

1979-02-21

1981-02-03

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333176, 333230, H03H 709

Patent

active

042491479

ABSTRACT:
An R.F. resonant cavity filter for connection in a transmission line and multicouplers utilizing same, said filter adapted to pass only signals of a predetermined frequency into and out of a branch transmission line, to block signals of said predetermined frequency from propagating down said transmission line in one direction but not the other, and to pass all other signals substantially undisturbed.

REFERENCES:
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patent: 2484798 (1949-10-01), Bradley
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patent: 2637782 (1953-05-01), Magnuski
patent: 2938177 (1960-05-01), Vogelman
patent: 3124768 (1964-03-01), Tilston
patent: 3537041 (1970-10-01), Kommrusch
patent: 3717827 (1973-02-01), Kaegebein
patent: 3815137 (1974-06-01), Kaegebein
patent: 3876963 (1975-04-01), Graham
patent: 3925739 (1975-12-01), Brownell et al.
patent: 4075583 (1978-02-01), Kershaw
patent: 4080601 (1978-03-01), Alcorn, Jr.
David et al. Integrated Site System for VHF/UHF Mobile Communications, Communications International, Feb. 1975, pp. 16-21. _

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