[sdiy] An Improved Sine Shaper Circuit

Donald Tillman don at till.com
Sat Apr 18 17:54:37 CEST 2020


> On Apr 17, 2020, at 2:15 PM, Donald Tillman <don at till.com> wrote: 
> 
> I did find that if you don't get close to the 0.710 optimum beta value, then there's little improvement over the standard long tail pair.  With beta value of 0.710 the harmonics are down 76dB.  With a beta of 0.600, the harmonics are only down 44dB.
> 
> So the order of magnitude improvement happens at a golden point.

I added a plot to the article to show this.

(Can we post images here yet?  I'll try...)




  -- Don
--
Donald Tillman, Palo Alto, California
http://www.till.com

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