[ARC5] 28V DC mains power supply inquiry

[Scott Robinson]

I recommend Integrated Power Designs, a small US company located in 
Pennsylvania. They build switchers, but at least theirs will meet FCC 
regulations for sure.

See

<https://www.ipdpower.com/>

and in particular

<https://www.ipdpower.com/nxt-1000/>

/scott


On 3/26/24 5:45 AM, zakariya.abu at yandex.com wrote:
> Jeep, are these power supplies no-name or anything branded? What kind 
> of filters do you use on AC and DC? HM or off-the-shelf?
>
> 73
>
> Jan
>
> W dniu 26.03.2024 o 13:35, Doran Platt pisze:
>> With some additional input and output filtering, I use the 50A 
>> switching supplies found on ebay. Are they totally quiet?  I can 
>> still find spurs outside the Amateur bands.
>> K3HVG
>>> On 03/26/2024 6:30 AM EDT zakariya.abu at yandex.com 
>>> <mailto:zakariya.abu at yandex.com> wrote:
>>> I would like to ask for recommendations for a 28V DC mains power supply
>>> with worldwide availability to power 28V DC avionics at home, which
>>> would accept 220-240V AC and which would generate low RFI. I noticed at
>>> https://www.youtube.com/watch?v=wEHs31HJLmM 
>>> <https://www.youtube.com/watch?v=wEHs31HJLmM> that the German-made PULS
>>> GmbH SL20 power supplies were used to power a 618T-3. It seems that the
>>> SL power supplies by PULS are no longer made, but sometimes they can be
>>> purchased. The Taiwanese Meanwell is widely available, but they are 
>>> also
>>> reported to generate RFI, which actually disqualifies them.
>>> Could you please share your experiences on such reasonably priced power
>>> supplies and specify the brand and series of such units that worked 
>>> well
>>> with avionic radio equipment?
>>> 73
>>> Jan SP5XZG
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