Signal splitter

Details Signal splitter Signal splitter

H - Electricity

03

H

H03H 7/21 (2006.01) H04B 15/00 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2553076

A signal splitter (24) comprising an input (26) and a plurality of outputs (28,30) is provided, wherein alternate outputs (28) are connected to phase shifting devices (32). The phase shifting devices (32) comprise phase shifting transformers and introduce a phase shift of 180°, so that noise components of alternate outputs (28) are in antiphase and cancel one another out almost entirely when the signals are summed. Also provided is a cable television network comprising a plurality of such signal splitters to ensure that noise ingress in upstream signals passing into the network is substantially reduced.

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