Patent ID: 6637033
Filing Date: 2003-10-21
Classification: H04N

Abstract:
Apparatus for automatically compensating for signal strength loss caused by RF signal splitting in a cable data communications system, said system comprised of:a. an RF signal splitter having a first RF signal input port and further having N, RF signal output ports, said RF signal splitter attenuating an RF input signal whereby reduced-amplitude copies of an RF input signal are passed at each of said N output ports; b. a splitting ratio indicator circuit coupled to said RF signal splitter card and identifying the RF signal splitting signal ratio 1/N, of said RF signal splitter card; c. at least one, programmable gain compensation stage having a first RF signal input coupled to a predetermined one of said N, RF signal output ports, a signal amplification control input port coupled to said splitting ratio indicator circuit output terminal and having an RF signal output port; whereby signals from a cable data communication system are automatically level compensated by said programmable gain compensation stage by an amount established by the signal splitting ratio as identified by said splitting ratio indicator circuit.