Fiberoptic manifold and time delay arrangement for a phased arra

Details Fiberoptic manifold and time delay arrangement for a phased arra Fiberoptic manifold and time delay arrangement for a phased arra

1996-11-08

1998-02-24

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

342374, H01Q 322

Patent

active

057215561

ABSTRACT:
A time delay and manifold arrangement for ,a phased array antenna. A predetermined delay is imparted to an rf signal to be transmitted by a combination of an electronic delay line, at an electronics site, which imparts a relative small delay, and a passive fiberoptic delay line, at an antenna site, which imparts a much longer delay. An rf signal is delayed and converted to an optical signal at the electronics site and is conveyed to the antenna site by means of an optical fiber. The arrangement is applicable to a receive mode of operation wherein the optical delay is imparted first at the antenna site, followed by electronic delay at the electronics site.

REFERENCES:
patent: 4216474 (1980-08-01), Levine
patent: 4258363 (1981-03-01), Bodmer et al.
patent: 4725844 (1988-02-01), Goodwin et al.
patent: 5231405 (1993-07-01), Riza
patent: 5305009 (1994-04-01), Goutzoulis et al.
patent: 5325102 (1994-06-01), Page

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