I have a Channel Plus 5435 modulator. I use it for my DVD, VCR, and SAT it works great for having many tv's and using only one cable--no switch boxes needed. My problem is it has only a 75 ohm coax output to a tv and RCA jack input. I need to add the 75 ohm input from an outdoor antenna so that I can get my OTA signals. Currently, I am using a 2-way splitter only reversing the output as the input, input as output, thus combining the signals that way. I have noticed that I have antenna signal loss by doing this. Is there a better way to combine the two? Any help would be greatly appreciated. Thanks. Mark

I have a Channel Plus 5435 modulator. I use it for my DVD, VCR, and SAT it works great for having many tv's and using only one cable--no switch boxes needed. My problem is it has only a 75 ohm coax output to a tv and RCA jack input. I need to add the 75 ohm input from an outdoor antenna so that I can get my OTA signals. Currently, I am using a 2-way splitter only reversing the output as the input, input as output, thus combining the signals that way. I have noticed that I have antenna signal loss by doing this. Is there a better way to combine the two? Any help would be greatly appreciated. Thanks. Mark
A 2-way splitter introduces a signal loss of ~3.5dB on each leg. The 5435 puts out 25dBmV, which means that there is 21.5dBmV coming out of the 2-way splitter for the modulator and, assuming you are some distance from your TV transmitters, there probably is significantly less on them.

The best way would be to use a directional coupler (or TAP)(DC-12 or even greater), with the 5545 connected to the TAP leg, the antenna connected to the OUT leg, and the IN leg going to the TV. A DC-12 loses 1.3dB through the OUT leg, while the TAP leg drops 12dB.