[R-390] 60 Hz Hum Output from R-390A IF Module

Flowertime01 at wmconnect.com Flowertime01 at wmconnect.com
Thu May 7 17:54:00 EDT 2009


Not to encourage you away from Roger's recommended environment,
but an extender _would_ give you entrée to substitute DC on
the heaters etc.  That would tell you Right Now whether it's
heater, B+, or whatever other weird thing it might be.
That wouldn't get you all the way home, but it would at
least partition the problem.

Right On, Dave.

Just a bridge rectifier and a couple big caps in the filament lines of the 
extended cable could go a long ways and be useful.

Roger AI4NI





> 
> 
> Dave Wise
> 




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