Chapter 1
The Op Amp's Place in the World
Abstract
The op amp as an electronic device was originally invented to overcome the problems associated with drift in amplifiers over changing conditions of heat and time. Analysis methods introduced by Harry Black and H.W. Bode are crucial in understanding and applying modern op amps. The op amp has become a crucial and common place building block in today's analog circuitry.
Keywords
Bandwidth; Bode plot; Feedback; Gain; Op amp
1.1. The Problem
In 1934, Harry Black [1] commuted from his home in New York City to work at Bell Labs in New Jersey by way of a railroad/ferry. The ferry ride relaxed Harry enabling him to do some conceptual thinking. Harry had a tough to solve; when phone lines were extended long ...
Get Op Amps for Everyone, 5th Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
