[sdiy] SSM2040 vs CEM3320

Neil Johnson neil.johnson71 at gmail.com
Thu Nov 2 09:46:03 CET 2023


> If you're hunting for patents to understand the SSM2040 then you could
> start with the original patent:
> https://patents.google.com/patent/US3969682A/en

And the SSI2140 is an improved version (better transistors and better
temp.comp) over the original SSM2040, both by Dave Rossum.


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