Topband: Using CAT5 in place of coax (was video baluns)

[Rick Karlquist]

GeorgeWallner wrote:

> I did that. I was testing a small dual-feed DHDL loop (-50
> dBi gain) using twisted pairs removed from a CAT 5 cable.
> On the bench the twisted pair showed 100 ohm of impedance
> and a loss of about 2.8 dB at 1.8 MHz on a 100' run. (I
> also tried CAT 6. The results were the same. The

I measured 1 dB per 100 feet at 1.8 MHz for my random sample of CAT5.
Imagine the loss for 100 Mbit/s data!

Rick N6RK