Beaten by VT100 PSU.

Paul Koning paulkoning at comcast.net
Wed Aug 17 13:19:27 CDT 2016


> On Aug 17, 2016, at 2:07 PM, tony duell <ard at p850ug1.demon.co.uk> wrote:
> 
> 
>> When I used a variable load on the 12V both the amplitude and the period
>> varied. More load less amplitude.
> 
> More load _reduces_ the ripple? That's very unusual.

Perhaps a parasitic oscillation that's defeated by more load because now the loop gain is below 1?

	paul




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