Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1989-11-27
1990-11-13
Laroche, Eugene R.
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333132, 333175, 333202, 333219, 455 78, 370 38, H01P 110, H04B 144
Patent
active
049704796
ABSTRACT:
A multicoupler for use in interfacing multiple frequency-agile transceivers to a single antenna. The multicoupler includes a set of high-Q filters and a switching matrix for selectively connecting the transceivers to the filters. The filters have frequency shift capabilities so that a broad frequency range can be covered by a limited number of filter units. The switching matrix is adapted for connecting any one of the transceivers to any one of the filters in accordance with the operative frequencies of the transceivers and filters. The structure of the multicoupler enables it to rapidly track frequency hopping patterns executed by the transceivers while providing good isolation between the transceivers and producing limited amounts of intermodulation distortion.
REFERENCES:
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patent: 3906405 (1975-09-01), Kommrusch
patent: 4112394 (1978-09-01), Kershaw
patent: 4197515 (1980-04-01), Hornfeldt et al.
patent: 4383228 (1983-05-01), Gaillard
patent: 4571560 (1986-02-01), Dobrovolny
patent: 4682131 (1987-07-01), May
Irvine James A.
Landt Harvey L.
Ham Seung
Hamann H. Fredrick
Horn John J.
LaRoche Eugene R.
Murrah M. Lee
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