Phase tuning technique for a continuous transverse stub antenna

Details Phase tuning technique for a continuous transverse stub antenna Phase tuning technique for a continuous transverse stub antenna

1996-02-26

1997-02-18

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Wave guide type

343783, 343767, H01Q 1320

Patent

active

056045050

ABSTRACT:
A continuous transverse stub antenna array that comprises phase tuning sections disposed between adjacent stub elements. The antenna array includes a sheet of dielectric material having a plurality of transverse stub elements extending from a first surface thereof. A first metal layer is disposed on the first surface and side surfaces of each of the stub elements, and a second metal layer is disposed on a second surface of the sheet of dielectric material that forms a ground plane of the array. A plurality of tuning sections are formed in the sheet of dielectric material and are disposed between each of the stub elements that extend laterally across the sheet of dielectric material. The plurality of tuning sections have a cross sectional shape in the form of an inverted T. Each of the tuning section comprises a first parallel plate section comprising dielectric material, a first quarter-wavelength transformer section, a second parallel plate section that is partially filled with dielectric material. a second quarter-wavelength transformer section that is partially filled with dielectric material, a third parallel plate section, and a second stub element that is completely filled with dielectric material. The widths of the first and third parallel plate sections and the widths of the first and second quarter-wavelength transformer sections are substantially the same. Varying the width dimension of the second parallel plate section tunes the phase between the adjacent stub elements.

REFERENCES:
patent: 5266961 (1993-11-01), Milroy
patent: 5349363 (1994-09-01), Milroy
patent: 5361076 (1994-11-01), Milroy
patent: 5483248 (1996-01-01), Milroy

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