[ARC5] 28V DC mains power supply inquiry

[zakariya.abu at yandex.com]

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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