3.1. Audio Amplifier Design (SW-VFA-01): Fundamentals of negative feedback

In this video series we aim to teach the fundamental concepts of audio amplifier design while designing a companion high performance audio power amplifier, the SW-VFA-01.
In this video we cover:
+Introduction to feedback systems
- History of Feedback amplifiers
- Block diagrams and Black’s formula
- Advantages of feedback
+ Bode plots and poles / zeros
+ Stability
- Stability conditions
- Positive feedback
- Compensation - Introduction

Next video: Measuring loop gain in LTSpice

Links to referenced material:
J.E. Green's paper:
Michael Tian's paper:

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