Lenk, John D.

John D. Lenk is the best-selling author of over 90 books on practical electronics. His work has sold more than two million copies in nine languages and 33 countries. He has specialized in practical electronic design/service guides for more than 40 years. His most recent titles include Lenk's Video Handbook, LenkOs Digital Handbook, Lenk's Audio Handbook, Lenk's Laser Handbook, LenkOs RF Handbook, LenkOs Television Handbook, the McGraw-Hill Circuit Encyclopedia, Volumes 1-3, the McGraw-Hill Electronic Testing Handbook, and the McGraw-Hill Electronic Troubleshooting Handbook.