Peter Chadwick schrieb:
Peter,
agree with you. My term (scope reading) means oscilloscope voltage reading
of course. On every leading edge you could see changings in intensity.
The measurement status starts to me after several experiments with
different traps and after the big bang - sorry about that.
Best wishes
Uwe DL9NC
> Uwe says;
>
> >I have seen c. 120 MHz ringing at my own home made project.
>
> I've never found ringing. I have found a 'parasitic' resonance which
> accentuated
> a harmonic, although the PA in question didn't oscillate. But pulsing wasn't
> necessary to find that.
>
> I guess if one pulsed the tube with a pulse generator i.e. a pulse of 'dc'
> and
> no RF cycles, it would prove matters. An oscilloscope would be the best device
> to use then.
>
> 73
>
> Peter G3RZP
>
>
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