Forgot to include link
There are more but this one is typical:
https://www.youtube.com/watch?v=8ziYqjMQGEQ
73
jim ab3cv
On Wed, Oct 26, 2016 at 7:17 AM, Jim Miller <jim@jtmiller.com> wrote:
> From several Youtube videos it appears that the LDMOS FETs.are quite
> capable of withstanding opens and shorts indefinitely. If true then
> agonizing over VSWR and the need for a tuner for the typical case of 3:1 or
> less would seem to be unwarranted at least for the FETs.
>
> The next question would be what about other components in the finals and
> lowpass filters and how would they react to continuous 3:1? Coils,
> capacitors, etc.
>
> How would the power supply to the FET output stage be affected? Would the
> excess voltage or current at the amp LPF output cause the signal to degrade
> due to starvation of either?
>
> 73
>
> jim ab3cv
>
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