701Chapter 20
Amplifier Design
by Eugene Patronis, Jr.
20.1 The Necessity for Amplifiers.............................................................. 703
20.2 Types and Descriptions of Amplifiers....................................................... 703
20.2.1 Amplifier Transfer Function............................................................ 704
20.2.2 Feedback Theory..................................................................... 707
20.2.3 Operational Amplifiers................................................................ 710
20.2.4 Active Filters Employing Operational Amplifiers........................................... 711
20.3 Power Amplifiers....................................................................... 716
20.3.1 Protection Mechanisms................................................................ 719
20.3.2 High-Power Amplifiers................................................................ 720
20.3.3 High-Power Analog Amplifiers......................................................... 722
20.3.4 Switch Mode Power Supplies........................................................... 724
20.3.5 Technological Innovation.............................................................. 725
20.3.6 Class D in Full Bloom................................................................. 726
20.3.7 Signal Processing in Power Amplifiers.................................................... 729
20.3.8 Computer-Controlled Power Amplifiers and Systems........................................ 730
Bibliography................................................................................ 731