Negative slope phase skewer

Details Negative slope phase skewer Negative slope phase skewer

1992-08-07

1993-12-14

Pascal, Robert J.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333116, 333156, 343700MS, H01P 118, H01P 308

Patent

active

052706710

ABSTRACT:
A negative slope phase skewer for use between radiating elements of series fed antenna array. The phase skewer has a four part coupler having two segments lying parallel to one another, each segment being a near and a far branch. The two near branches connect to the transmission line, while the far branches are at some distance from the transmission line. A series of spaced apart, progressively longer, high impedance open circuited stubs extends outward perpendicularly from each far branch. Two conductive connections connect the two segments between the transmission line and the stubs. Each stub is designed to be one quarter wavelength long of an average frequency in a band region of an operating band width, and are spaced apart by a quarter wavelength of the midpoint of the operating band.

REFERENCES:
patent: 4127831 (1978-11-01), Riblet
patent: 5023866 (1991-06-01), DeMuro
patent: 5043738 (1991-08-01), Shapiro et al.

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