Awesome Electronics Tutorials, Projects and How To´s
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GreatScott! · Veröffentlicht am 16. Mai 2021
Visit Brilliant.org and get a 20% discount: https://Brilliant.org/GreatScott/ Previous video: https://youtu.be/tp_VI6ujKHE Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Support me for more videos: https://www.patreon.com/GreatScott?ty=h Websites which were shown during the video: http://www.learningaboutelectronics.com/Articles/Power-inverter-circuit.php In this episode of "Testing circuits I found on the Internet", I will be having a look at a popular inverter schematic I found on google images. The design uses an astable multivibrator in order to pull current alternately through a transformer and thus create a high AC voltage on its output side. A lot of DIY inverters use this functional principle. That is why I will build up the schematic, properly test the circuit and show you what problems it comes with that you can more or less easily fix. Let's get started! Thanks to Brilliant.org for sponsoring this video. Music: 2011 Lookalike by Bartlebeats 0:00 The schematic I found on the internet 1:06 Intro 2:09 Building up the circuit 3:13 Initial test 4:23 How the circuit works 7:32 Problem 1: Feedback 8:45 Problem 2: Overvoltage at the MOSFETs 9:20 Problem 3: Overvoltage at the Transformer 10:11 Other problems (lots of them) 10:42 Verdict
