[AMRadio] Plate modulating a 807


Geoff/W5OMR w5omr at w5omr.shacknet.nu
Wed Apr 7 08:20:09 EDT 2004


> Best thing to do is insert a choke in the screen circuit.
> 
> A small choke, 15 henrys or more will work.
> Otherwise, you have to run the screen off a voltage divider,
> some from the unmodulated B+, and some from the modulated B+.
> 
> The choke setup MAY hose you up on cw if you run cw, so a switch
> or some quick way to remove the choke might be needed.
> 
> Brett
> N2DTS

Why not just turn the audio off, and short the secondary of the modulation
transformer?  Or, is using a reactor in the Final BE+ line, switch from the 
modulator, to the final.




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