[TowerTalk] 75ohm cable

[Tom Haavisto]

This is how to match 50 to 75 ohm, and then back again.  Single band only

http://www.k1ttt.net/technote/matching.html#sixth

Tom - VE3CX


On Mon, Jul 19, 2010 at 11:47 AM, Carol Richards <n2mm at comcast.net> wrote:
> I am the proud recipent of numerous rolls of 75 ohm, 1/2 in CATV cable. Since all of my antennas require 250ft or mor runs this is a real blessing. I have a few questions before I start replacing the RG 213.
>
> 1. All of my yagis are 50 ohm, fed through rf chokes to the feed point. Can I just connect the 75 ohm and not worry about the small mismatch or do I need to  use some type of matching network?
>
> 2. Are there commercial matching networks to do the job I want that will handle 1.5kw?
>
> 3. I have several articles that allow me to make PL-259's to fit this coax. Is there an easier way?
>