[RFI] RFI-Free LED Monitor Recommendation

[Clay Autery]

Makes life SOOOOOOOOOOOOO much easier and better.

I LOATHE RFI.....  Astron makes (now, not then) a VLS model now that 
fits the bill perfectly!

______________________
Clay Autery, KY5G
(318) 518-1389

On 01/21/21 09:32, John K9UWA wrote:
> Two years ago I did exactly the same as Clay. I purchased two new monitors that had External 19 volt wall wart supplies.
> No problem I can make those go away. A month or so later at a hamfest I bought a 0 to 20 volt regulated Lambda 10A supply.
> The worst thing was carrying it from the sellers booth to the car. It must weigh a good 20 pounds. Problem solved. Clean DC
> power and zero RFI noise.
>
> 73
> John k9uwa
>
>
> On 20 Jan 2021 at 22:31, Clay Autery wrote:
>
>> Well, this is a 19VDC monitor using a power adapter, which is AWESOME!!!
>>
>> If it has an RFI issue that you can't solve, you can simply find a DC-DC
>> converter (that is RF silent where you need it) and put it inline
>> between your power supply (assuming a good sized Astron or other with
>> PLENTY of spare capacity) and Bob's your uncle...
>>
>> Another solution would be a dedicated 19VDC linear power supply....  OR
>> a 24VDC Astron with a linear voltage regulator inline to drop to 19 VDC.
>>
>> ANY way you slice it, you can likely make this one quiet.
>>
>> Don't bother buying ANY monitor/display with an INTERNAL power
>> supply....  (IMHO).
>>
>> 73, ______________________
>> Clay Autery, KY5G
> John Goller, K9UWA & Jean Goller, N9PXF
> Antique Radio Restorations
> k9uwa at arrl.net
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> USA
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>
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