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

[Roy Morgan]

On May 7, 2009, at 11:44 PM, Jon Schlegel wrote:

> Hi All,
>
> I'm still working on the problem. ... If
> I'm still seeing 60 Hz, then I'll call in Dave's
> big guns with a rectifier brick and capacitus gigundus on the  
> filaments.

NOTE:  If you put a simple rectifier and humongus capacitor on a 6.3  
volt AC filament supply, you'll get around 10 volts DC.  That may blow  
out your IF strip tube filaments in short order.

Roy


Roy Morgan
k1lky at earthlink.net
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Groton NY, 13073
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Cell: 301-927-7794