|[AMRadio] 4-1000A Grounded Grid Class-C|
bcarling at cfl.rr.com
Thu Oct 3 08:31:10 EDT 2013
I'm guessing 90% modulation is hard to distinguish from 99% mod on the air...
> On Oct 3, 2013, at 8:06 AM, Larry Szendrei <ne1s at securespeed.us> wrote:
>> On 10/2/13 10:55 PM, Paul Baldock wrote:
>> Is it possible to run a 4-1000A in grounded gridS, cathode driven, biased for class-C and then plate modulate it and get 100% modulation? Has anybody tried this?
>> - Paul KW7Y
> I think it's theoretically possible only if you also modulate the signal driving the 4-1000A cathode circuit, and in the correct phase, of course. Otherwise the "feed-through power," which is a considerable fraction of the total output from a grounded-grid stage, won't be modulated and you'll never be able to get 100%.
> Nope, I've never tried it.
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