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)
Видео DIY Class D Audio Amplifier канала GreatScott!
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)
Видео DIY Class D Audio Amplifier канала GreatScott!
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