>>Carl Heuther wrote:
>>>................
>>>The NCL screen supply is no better or worse than the competition of the
era.
>>>
>>Rich Measures wrote:
>>The NCL-2000 screen supply is capable of producing high current.
>>There seems to be nothing to limit screen current.
>
>
>I refer you to the schematic, not ur off the cuff comments.
>
? I am looking at it, Carl.
>
>............
>>>I tried ur QST mod many years ago ( 198 something) and it brought
>>>the amp up into parasitic land.
>>
>>Ä A lower vhf-Q, vhf parasitic suppressor -- i.e., one with better vhf
>>damping ability -- caused the amplifier to oscillate at vhf?
>
>A low Q what? Should I put it in the cathode lead also? Maybe tune it
>to CH 2 .
>
>Please, keep your voodoo out of my amp(s) thank you.
>
? In 1926, a quarter century before I was born, regarding
resistance-wire vhf parasitic suppressors, F. E. Handy said: ³The
combination of both resistance and inductance is very effective in
limiting parasitic oscillations to a negligible value of current.²
Voodoo?
- later, Carl
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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