DIY Class D Audio Amplifier

Amplifier circuit file on EasyEDA: https://easyeda.com/GreatScott/ClassDAudioAmp-8577705d8e0442faacfe601503588491 Support me for more videos: https://www.patreon.com/GreatScott Previous video: https://youtu.be/X0ihx9_1iFY Class AB Audio Amp video: https://youtu.be/oGTXczCV30A Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab More project information (schematic pictures,....) on Instructables: https://www.instructables.com/id/DIY-Class-D-Audio-Amplifier Thanks to EasyEDA for sponsoring this video. Free circuit design tool with 200,000 users: https://easyeda.com $2 for10pcs 2-layer 10x10cm PCB prototype here: https://easyeda.com/order Wide selection in-stock components: https://lcsc.com Parts list (Incomplete, see Instructables for Ebay and Amazon.de, affiliate links): Aliexpress: 1x 3.5mm Audio Jack: https://s.click.aliexpress.com/e/_dYyosJz 1x 10kΩ Potentiometer: https://s.click.aliexpress.com/e/_dX83GAF 1x LM393 Comparator: https://s.click.aliexpress.com/e/_d7ObgpD 1x TLC555 Timer: https://s.click.aliexpress.com/e/_dTrUY9D 1x 74HC04 Inverter: https://s.click.aliexpress.com/e/_d8c7LDl 1x IR2113 MOSFET Driver: https://s.click.aliexpress.com/e/_d7SJq6b 2x IRLZ44N MOSFET: https://s.click.aliexpress.com/e/_dWhSrDl 1x 7805 Voltage Regulator: https://s.click.aliexpress.com/e/_dXSrfiP 1x 7812 Voltage Regulator: https://s.click.aliexpress.com/e/_d8OcXHl 2x PCB Terminal: https://s.click.aliexpress.com/e/_dYbstfZ 3x 47µF, 1x 22µF Capacitor: https://s.click.aliexpress.com/e/_d7dOwRz 7x 220nF Capacitor: https://s.click.aliexpress.com/e/_dU4FEsB 3x UF4007 Diode: https://s.click.aliexpress.com/e/_dYR45Bh 2x 10kΩ, 2x 10Ω, 1x 2kΩ Resistor: https://s.click.aliexpress.com/e/_dTPpXjt 2x 33µH Inductor: https://s.click.aliexpress.com/e/_d6A4mKL In this project I will show you why a class AB amplifier is pretty inefficient and how a class D amplifier on the other hand improves this efficiency. At the end I will show you how we can apply the theory of operation of a class D amp to a couple of common components in order to create our own DIY class D audio amp. Music: 2011 Lookalike by Bartlebeats Killing Time, Kevin MacLeod (incompetech.com)