>
> It's called a Wilkinson splitter. Here is a link to some of
> the theory.
I don't think it's fair to call it a Wilkinson without a resistor across the
output ports. A real Wilkinson provides port-to-port isolation due to the
addition of the resistor. A tee and 75 ohm cables doesn't provide any
appreciable isolation; it's just two transmission line transformers teed
together to yield a proper match assuming that the ends of the cables are
terminated into 50 ohm loads. In the real world, receivers don't have 50
ohm Z across a wide range due to front end filters and other factors, so you
may end up with additional loss (above and beyond the theoretical 3 dB
power-dividing loss) due to the lack of isolation between receivers.
--- Jeff
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