I am using one mobile. No problem with RFI from or to, at 100 watts.
Mike
AD6AA
--- On Thu, 6/18/09, kd4e <doc@kd4e.com> wrote:
> From: kd4e <doc@kd4e.com>
> Subject: [RFI] HF RFI from digital displays on big Farad caps?
> To: "RFI List" <rfi@contesting.com>
> Date: Thursday, June 18, 2009, 10:13 AM
> I am going to be using a somewhat
> modified Messenger M4V
> solid state
> amp for 160-10M.
>
> I will be adding a bandswitched filter, a SWR protection
> circuit, some bias
> mods, and will make various other tweaks so that it runs
> clean and safe.
>
> In order to prevent FMing or audio oscillations I will add
>
> one of the big
> Farad caps to the DC supply line to keep the voltage from
> varying during
> modulation peaks and dips.
>
> I notice that some of those caps have a digital
> display. I
> am guessing that
> the circuitry is really cheaply made with little or no
> bypassing or shielding.
> Has anyone tested them for RFI?
>
> --
>
> Thanks! & 73, doc, KD4E
> FS/Swap/Wanted: http://kd4e.com/swapn.html
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