[AMRadio] Modulator feedback


Donald Chester k4kyv at hotmail.com
Fri Mar 17 20:29:45 EST 2006


How much capacitance did you use?  It should be at least 20 mfd.  A cheap 
electrolytic should do ok, since there is only a few volts across it.  Put 
it between the midtap of the plate transformer and ground.  The positive 
side should go to ground, and the negative side to the transformer.  In all 
the BC-610E's I have ever seen, that capacitor eliminates 95% of the 
chatter.

Don k4kyv

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