Was said:
> Not an op-amp circuit, but how about a cable television "splitter" in
> reverse?
It's called a combiner, and some units will work either as a combiner or=20
a splitter, and they come in various configurations including DC voltage=20
block or pass, etc. I use them on my home TV network 8 inputs to 1=20
output into a 1 input to 8 output. Both units are identical. :)

http://electronics.mcmelectronics.com/search?cataf=3D&view=3Dlist&w=3Dsplit=
ter&x=3D0&y=3D0
--=20
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