At 04:06 PM 1/20/2004 -0000, you wrote:
>I have a repeater attached to 300 feet of 75 ohm CATV hard line. I 
>believe one can match using a length of 62.5 ohm coax, but how long 
>and where to get it? 

<---You don't use "62.5 ohm" coax. You build a transformer (1/4 wavelength
or odd multiple of a 1/4 wavelength) out of "conventional" coax. Electical
1/4 wavelength of course, not physical :-)

On the other hand, some would argue the mismatch between 50 ohms and 75
ohms is hardly worth the effort and would simply return their duplexer to
match the different common port impedance. 

Ken
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