a̷͈͛̌u̴̦͌t̷o̸s̶c̸a̵t̵t̴o̷ is a user on mastodon.bida.im. You can follow them or interact with them if you have an account anywhere in the fediverse.
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http://www.righto.com/2018/06/silicon-die-analysis-op-amp-with.html
Silicon die analysis: inside an op amp with interesting "butterfly" transistors
