>Isn't this all getting a little over-complicated? If both tune and load
>controls are adjusted for maximum output at rated drive (~100 watts),
** It takes c. 140w to drive a pair of 3-500Zs operating at 2800vdc.
> there should be no arcing and performance should be nominal.
** A pair of 3-500Zs has 0.3pF of feedback C. So, at 110MHz, XC is c.
5000-ohms between the output and the input of the tubes. If one ignores
this feedback path, there should be absolutely, positively no
intermittent parasitic arcing.
>If you want, add a
>little loading (clockwise) past peak output for better IMD
>performance. Once you're peaked, tape an index card behind the knobs and
>mark the settings for each band.
** I use different colored Crayola's to show the settings for different
bands.
>...
cheers, Pete
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