If you want to learn and have a physics/EE background, you might have better luck with a book like Tsividis (also available as a MOOC!) https://www.amazon.de/-

If you want to learn and have a physics/EE background, you might have better luck with a book like Tsividis (also available as a MOOC!) https://www.amazon.de/-/en/Operation-Modeling-Mos-Transistor-Engineering/dp/0195170156 https://www.amazon.de/-/en/Operation-Modeling-Mos-Transistor... https://www.coursera.org/learn/mosfet https://www.coursera.org/learn/mosfet