family satellite and cable television in the common cable and remote control circuit

Published:2011/7/8 22:57:00 Author:Lena | Keyword: family, satellite, cable television, common cable, remote control | From:SeekIC

Family usually only use satellite receiver aside the TV set to watch satellite television, but it’s difficult in another room. Now, I use former cable television line, mixing the satellite television signal and cable television signal to transfer in the common cable, to realize all the TV sets can watch satellite television in one family. Common cable connecting circuit is shown as figure 1. Satellite receiver RF output end outputs U segment satellite television signal that is amplified by triode VT1, then mix the amplified signal and cable TV signal through 75-3 feedback line.



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