Plate modulating a grounded grid amplifier is a bit difficult and if you
don't modulate the driver you can fry the grid on the negative modulation
peaks. When the plate voltage is near zero all the drive power goes to the
grid.
73
Bill wa4lav
At 02:37 PM 11/8/2006 -0500, Gudguyham@aol.com wrote:
>
>In a message dated 11/8/2006 2:29:25 PM Eastern Standard Time,
>rbonner@qro.com writes:
>
>
>I'm surprised more AM operators haven't built modulators to add to things
>like AL-1200's etc and plate modulate them.
>
>
>
>
>Many years ago after I got rid of my plate modulated Viking Ranger and got
>an FT-101 I used to run Am with it but if the plate meter flickered higher
>than
> the resting carrier it was flat topping. the only way to fly with AM is
> to
>modulate the amp as well. So Bob I agree! Lou
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