The Art of Electronics by Horowitz and Hill is indispensable. https://en.wikipedia.org/wiki/The_Art_of_Electronics https://en.wikipedia.org/wiki/The_Art_of_Ele

The Art of Electronics by Horowitz and Hill is indispensable. https://en.wikipedia.org/wiki/The_Art_of_Electronics https://en.wikipedia.org/wiki/The_Art_of_Electronics