July 2017
Beginner
484 pages
13h 26m
English
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Chapter 8
Voltage-Feedback Op Amp Compensation
Abstract
Compensation of real-world op amps provides some relief from instability concerns. The designer is the first line of defense, keeping their circuits within a safe operating region. Operational amplifiers are almost always internally compensated to help the designer. This is done with a single, dominant pole—but it comes at a heavy price: much of the op amp gain at higher frequencies is sacrificed to make the circuit stable. There are additional external compensation techniques that the designer can employ to make the circuit more stable.
Keywords
Compensation; Dominant pole; Gain compensation; Lead compensation; Lead-lag compensation
8.1. Introduction
Voltage-feedback amplifiers (VFAs) have been ...
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