Crossed bow tie slot antenna

Details Crossed bow tie slot antenna Crossed bow tie slot antenna

H - Electricity

01

Q

H01Q 13/10 (2006.01) H01Q 1/24 (2006.01) H01Q 13/08 (2006.01) H01Q 21/08 (2006.01) H01Q 21/10 (2006.01) H01Q 21/24 (2006.01)

Patent

CA 2439343

An antenna includes conductive panels pierced with bow-tie-shaped cutouts (long axis vertical) fed at the narrow point of the cutout to achieve horizontal polarization. Each two panels are configured at right angles as an 'X' when viewed from above. The radiation pattern from each panel is a peanut shape; with a hybrid phase shifter to feed each pair in quadrature, the combined pattern is omnidirectional. Multiple crossed-cutout modules can be arranged vertically and fed in parallel to achieve high vertical directivity. The general design permits outdoor application with no supporting mast. The general design is compatible with the power capability and frequency range needed for commercial UHF television broadcast.

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