Rf switch

Details Rf switch Rf switch

H - Electricity

04

Q

H04Q 7/36 (2006.01) H01H 9/54 (2006.01) H01H 50/54 (2006.01) H01H 67/24 (2006.01) H01P 1/12 (2006.01) H04Q 3/52 (2006.01) H04Q 7/30 (2006.01)

Patent

CA 2385350

An RF switch having a redundancy port and a control circuit for switching a port related with an abnormal signal path to the redundancy port while preventing another ports from being connected to the redundancy port when an additional abnormality breaks out in another signal path to minimize the negative effect on the system. The RF switch includes first series ports (A1 - An); second series ports (B1 - Bn) each being connected to respective one of said first series ports to form a signal path; a redundancy port (C) for replacing a port when an abnormality breaks out in one of the n signal paths; a plurality of switching units for selectively connecting one of said first series ports to corresponding one of said second series ports or to said redundancy port in response to a control signal; a control signal input terminal for receiving the control signal; and a control circuit for receiving an abnormality alarm signal from an abnormal path when an abnormality breaks out in the path, providing a first control signal for switching the port related with the abnormal path to the redundancy port, and providing a second control signal for switching only the port related with a first abnormal path to the redundancy port when abnormalities break out in more than one path.

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