[time-nuts] Low noise power supplies for time nuts circuitry

Bob Camp lists at rtty.us
Tue Nov 22 17:38:43 UTC 2011


Hi

Interesting site - Thanks!

A couple of observations:

There are a couple of circuits (low noise op-amp based) that can generate lower noise than what he's shown.

You need to be careful looking at his results. A lot of what he shows is the result of changing the model used for the output capacitor….

Still well worth looking at.

Bob


On Nov 22, 2011, at 7:07 AM, Ulrich Bangert wrote:

> Gentlemen,
> 
> i would like to draw your attention to this site:
> 
> http://pstca.com/spice/ripple/ripple.htm
> 
> The author of this site thank-worthy not only presents circuits for power supply finesse but also simulates them with SPICE. It seems to turn out as if the well known Wenzel suggestions for voltage regulator finesse were not state of the art and other circuits (although similar in principle) may easily outperform them.
> 
> Best regards  
> 
> Ulrich Bangert
> Ortholzer Weg1
> 27243 Gross Ippener
> Deutschland
> Tel   +49 (0)4224 95071
> Fax  +49 (0)4224 95072
> Mob +49 (0)172 8006546
> www.ulrich-bangert.de
> 
> 
> 
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