[sdiy] An Improved Sine Shaper Circuit
don at till.com
Fri Apr 17 07:17:13 CEST 2020
> On Apr 16, 2020, at 9:46 PM, Ben Bradley <ben.pi.bradley at gmail.com> wrote:
> That's a fascinating idea and good work, an improvement over a common
> sine shaper I first saw decades ago,
> First I have an observation of a 'slight' error. The + and - inputs of
> the first two TL074 sections appear to be swapped.
Yeah, it's not too often that a new sine shaper circuit comes up, eh? We have roughly 4 over 70 years.
Or a new mathematic approximation to a sine.
Yeah, there are a lot of errors, including spelling, awkward sentences, stuff I forgot about. I'll be patching it up as we go.
> Next, may I post this elsewhere, specifically on diyaudio.com? They
> have a perennial interest in low-distortion sine wave generation,
> generally lower distortion than this gives, but some there may find
> this useful.
Sure thing. Bop us a pointer, so we see how the discussion goes.
Donald Tillman, Palo Alto, California
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