> We are all told that VSWR doesn't matter when using low loss
>> transmission lines,
>
> No, we are not all told that.
> > The active part of the transmitter output isn't 50 ohm.
> That would cause half the power to be lost as heat in
> the output stage. It's only 50ohm once it becomes a moving
> wave in the transmission line.
>
> Bob9
>
In that case...
Half power is only lost when terminated to a 50-ohm load; i.e. no standing waves. What happens when there's a mismatch and reflected energy :)
I'll go stand in a corner...