Re: [Emc-users] off topic - device info needed

[Dave <EM...@DC...>]

On 11/26/2012 2:50 PM, kqt...@gm... wrote:
> On Mon, 26 Nov 2012, Jon Elson wrote:
>
>    
>> They are phase angle SCR controllers.  You put a variable resistance
>> across two of the terminals, and they vary the power to a line-powered
>> device.  Basically a heavy-duty lamp dimmer.
>>
>>      
> can you give me an example of a 21st century equivalent
> would this device, a rectifier, and capacitor be adequate for a stepper power supply
>
> richard
>
>    

No..

That device is not a transformer.

http://campbelldesigns.net/how-to-build-a-power-supply.php

Dave