[Amps] 60 filament noise

[R.Measures]

On Feb 6, 2006, at 7:36 AM, StephenTetorka at cs.com wrote:

> Hi all:
>
> Might it be possible to apply a high-pass filter to eliminate the 60 
> Hertz ac
> power supply noise from getting into my filaments?
>
> Also..it is my understand that using a DC filament voltage works just 
> as well
> as the AC...correct?

For heater-type cathodes or filament-type cathodes?
>
> Regards,
> Steve
> WA2TAK
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Richard L. Measures, AG6K, 805.386.3734.  www.somis.org