Need help with an op-amp circuit

Factual Questions
21

Thanks, now I’ll forever think of it like that! Just like how I always thought of puzzlegal as puzzle gal until she mentioned it gets misread as puzz legal, and now I always think of it that way.

As for the project, I’m currently in the process of re-learning Eagle for the fifth time so I can fab a little PCB. There is something about that UI that just never sticks. It doesn’t help that the part libraries are so small. I seriously don’t understand why there isn’t some central repository for every part ever made. I should not be having to create a custom library for parts that have been around since 1979.

22

Thanks right back atcha, same reason!

I had no idea, because the “puzz” part of the name is unusual.

23

I have been using KiCAD for years when making boards for work (including some eight layer controlled impedance designs). Does everything I need with a relatively easy UI. Plus the price is right.

24

Been thinking about that. The nice thing about Eagle is that it’s now integrated with Fusion, which I use for other things (and is also free at the hobbyist level). And I have used it before, so I’m not learning it entirely from scratch. Still… maybe I should make the jump to actually free software.