[TowerTalk] Circuit Board Question

Steve Hunt steve at karinya.net
Sat Aug 2 16:10:07 EDT 2014


Rick,

I already corrected this misunderstanding once: for a 2:1 SWR the 
maximum voltage will be 1.414 times the matched voltage, not double! The 
minimum voltage will be 0.707 times the matched voltage.

If V is the matched line voltage, Vmax=1.414xV and Vmin=V/1.414 giving 
Vmax/Vmin=2:1

Steve G3TXQ







On 02/08/2014 19:00, Richard (Rick) Karlquist wrote:
>
> For 2:1 VSWR, 2X is the worst case, which you would want to use for 
> design. In practice, it could vary from half to twice the matched
> value for a short section of line.
>



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