• Electronic Devices and Circuit Theory by Robert Boylestad and Louis Nashelsky, 11th Edition.
• Electronic Circuits Analysis and Design by Donald A. Neaman, 3rd Edition.

Websites:

• https://nptel.ac.in/content/storage2/courses/117101106/downloads/L23.PDF
• https://www.youtube.com/watch?v=0RSl-QJ5-4A