All,
I¹ve received a number of emails from you and I¹ll send out a reply to the
group.
This is an on-going experiment that I hope to have wrapped up in a few
weeks. I¹m waiting on some material to arrive from eBay.
Action items:
1. Using the PVC box instead of an aluminum box necessitates using
Hi Gary:
I don¹t mind your 25 cents.
What I figured out was a way to actually measure the Zo. I use an Oscope and
a signal generator and about 3m of line under test. I terminate the line
with a 10-turn pot.
I bang a 1MHz square wave into one end and watch the scope while carefully
adjusting the
Bill:
Ah, when in doubt, actually measure it!
What a novel idea to use a simple home
brew reflectometer. If you have an SWR
bridge or antenna analyzer, you might also
check if that pot is purely resistive. I would
guess that any reactive effects are quite small
at 1 MHz anyway.
73, Gary
