Phase shifter utilizing hybrid element

Details Phase shifter utilizing hybrid element Phase shifter utilizing hybrid element

H - Electricity

03

H

H03H 7/20 (2006.01) H01P 1/185 (2006.01)

Patent

CA 2042646

ABSTRACT OF THE DISCLOSURE A hybrid element for phase shifting an input signal and providing a phase shifted output signal includes conductive plates which are capacitive coupled together. The hybrid element includes four terminals: an input terminal for receiving an input signal, an isolation terminal capacitive coupled with the input terminal and for providing an output signal, a through terminal connected directly with the input terminal, and a coupling terminal capacitive coupled with the input terminal. A distributed constant line and an FET are connected in pair with the through and coupling terminals, respectively, the other end of the distributed constant line being connected with earth. When the FET is turned on or off, the amount of phase shift in the phase shifter is controlled. Since the FET and distributed constant line are connected together in parallel, the amount of phase shift can be adjusted easily by turning the FET on or off.

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