[RFI] HF RFI from digital displays on big Farad caps?

[kd4e]

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
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