Phase slope equalizer for satellite attennas

H - Electricity – 01 – P

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333/26, 351/5

H01P 1/18 (2006.01) H01P 1/209 (2006.01)

Patent

CA 1260083

ABSTRACT OF THE DISCLOSURE A phase slope equalizer is a recent device used to replace phase shifters in feed networks for satellite communications antennas. The phase slope equalizer has been further refined so that, once manufactured, it does not require tuning and is well suited to integration in larger systems. Three main embodiments are disclosed, one based on a waveguide configuration and the other two on a square coaxial configuration. In the case of the wave- guide configuration half wavelength short-circuited stubs spaced by a quarter wavelength are used and in the case of one of the square coaxial configurations half wavelength open-circuited stubs spaced by a quarter wavelength are used. The third embodiment uses quarter wavelength short-circuited stubs spaced by a quarter wavelength.

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