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"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit for Reasonable price for for Swiss Manufacturer, We are always looking forward to forming successful business relationships with new clients around the world.


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  • 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):
    Amazon.com:
    1x 3.5mm Audio Jack: http://amzn.to/2qNwlMT
    1x 10kΩ Potentiometer: http://amzn.to/2qNnpXy
    1x LM393 Comparator: http://amzn.to/2ssBn2f
    1x TLC555 Timer: http://amzn.to/2rGgUZX
    1x 74HC04 Inverter: http://amzn.to/2qPW8YA
    1x IR2113 MOSFET Driver: http://amzn.to/2rG7qxK
    2x IRLZ44N MOSFET: http://amzn.to/2rFR3Bk
    1x 7805 Voltage Regulator: http://amzn.to/2rGe1bL
    1x 7812 Voltage Regulator: http://amzn.to/2qNx5S0
    2x PCB Terminal: http://amzn.to/2qPZniW
    3x 47µF, 1x 22µF Capacitor: http://amzn.to/2ssBJWD
    7x 220nF Capacitor: http://amzn.to/2ssm3Tz
    3x UF4007 Diode: http://amzn.to/2rFQd7S
    2x 10kΩ, 2x 10Ω, 1x 2kΩ Resistor: http://amzn.to/2qPPnWG
    2x 33µH Inductor: -

    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)

    You want to support my videos?
    You can browse and buy tools&materials from my Amazon Store. This way I get a small commission:
    Amazon.de: http://astore.amazon.de/great043-21
    Amazon.com:http://astore.amazon.com/gre09a-20
    Amazon.co.uk: http://astore.amazon.co.uk/gre0b-21

    Or you feel super generous and want to use this Amazon link as your Amazon home page. And do not worry, your purchases are all anonym and the prices are all the same:
    Amazon.de:http://www.amazon.de/?_encoding=UTF8&camp=1638&creative=19454&linkCode=ur2&site-redirect=de&tag=great043-21&linkId=ORZEQZEOVJAFURCZ
    Amazon.com:http://www.amazon.com/?_encoding=UTF8&camp=1789&creative=390957&linkCode=ur2&tag=gre09a-20&linkId=I5NDCEAVCD2OWM4S

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