On 9/26/2020 6:53 AM, Artek Manuals wrote:
Now I know that in practice there is not enough difference between 50
ohms and 52 ohms in actual use especially at 50MHz and below.
Occasionally though it matters ! Besides the truth in advertising thing
( 2x4 lumber has always galled me) Does anyone know who makes legal
limit 50 ohm coax that is actually 50 ohms and not 52 ohms?
Dave,
There is FAR more to it than manufacturing tolerance. Zo and VF vary
with frequency for ALL transmission lines. See
http://k9yc.com/Coax-Stubs.pdf
and
http://k9yc.com/TransLines-LowFreq.pdf
73, Jim K9YC
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