[AMPS] Re: swr
measures
measures@vcnet.com
Sat, 2 Oct 1999 00:38:31 -0700
>
>Hi Mike...
>
>No, SWR at the load/transmission line interface depends ONLY on the
>impedance mismatch at that point. SWR remains constant along the line
>except for the effect of line loss, which is to cause SWR on the line to
>decrease (rather slowly for normal losses) as you go toward the source.
>
€ To find out if this is really true, why not try it? All that's needed
is a 50 +/- j0 ohm termination and a halfwave of 75 ohm coax (c.10.5 '
for 10m). Measure the SWR at the half-wave and the quarter-wave points.
If Mr. Ehrhorn is right, the measured SWR will be 1 to 1 at both points.
- Rich..., 805.386.3734, www.vcnet.com/measures.
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