[ARC5] AC Power Supplies

[Dave Merrill]

On 24 Dec 2016 at 17:17, Floyd Petri wrote:

> Years ago I saw a AC power supply built on a dynamotor base that plugged
> directly on to any SCR-274 Receiver. Were any of these direct plug on
> supplies factory or were they all ham made? Does anyone have one for sale?
>
> Floyd

Here are some photos of a power supply I built on a DM-10A base 20+ years
ago.  I don't recall where the transformer came from but it had both 6.3
and 24 volt filament windings so I allowed for both.  Cap is a dual section
47 uF @ 400 VDC connected in parallel.  Full wave bridge with a 22K bleeder
resistor.  Produces 165 VDC @ 40 mA.

There is a PC-8417 transformer with similar filament specs and 220-0-220V
on eBay now - item 371821125244 (toober is the seller).

[image: P1010924.JPG][image: P1010925.JPG][image: P1010926.JPG][image:
P1010929.JPG][image: P1010930.JPG][image: P1010931.JPG]
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