Awesome Electronics Tutorials, Projects and How To´s
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GreatScott! · Publicado em 14 de maio de 2023
Sign up for Keysight Live from the Lab here: https://www.keysight.com/us/en/events/keysight-world/live-from-the-lab-greatscott.html Try the world's most trusted PCB design software, Altium Designer with 365, for free and 25% off your purchase: https://www.altium.com/yt/greatscott! (AD, Paid Promotion) Previous video: https://youtu.be/OWEU1eR3Tyw AliExpress video: https://youtu.be/NjNOGm3sCOQ Capacitor video: https://youtu.be/2v8zBj7_sxg Inductor video: https://youtu.be/hYOtx_2hYTU Filter video: https://youtu.be/1wzUqVFyQ7o You can get the mentioned products and capacitors here: (affiliate links) Power Supply: https://s.click.aliexpress.com/e/_DmzJv9f 5V UPS: https://s.click.aliexpress.com/e/_DcQteFr Mini Boost Converter: https://s.click.aliexpress.com/e/_DCwYdwh Capacitors: https://www.mouser.de/ProductDetail/Samsung-Electro-Mechanics/CL32A226KPJNNNE?qs=sGAEpiMZZMukHu%252BjC5l7YYSaqHT4BB0iHXlLVxBE%2FL8%3D https://www.mouser.de/ProductDetail/Samsung-Electro-Mechanics/CL31B105KAHNFNE?qs=h6Piwd%2FnvzliA%252BKuhKdPjw%3D%3D Facebook: https://www.facebook.com/greatscottlab Twitter: https://twitter.com/GreatScottLab Instagram: https://www.instagram.com/great.scott.lab/ TikTok: https://www.tiktok.com/@greatscottlab Discord: https://discord.gg/zuAvkAuhsY Support me for more videos: https://www.patreon.com/GreatScott?ty=h Websites which were shown during the video: https://www.prodigit.com/show/how-to-test-noise-from-the-output-of-power-supply.htm https://www.meanwelldirect.co.uk/glossary/what-is-output-noise/ https://cdn.hackaday.io/files/1829407826904960/Xysemi_XR2981.pdf https://www.ti.com/lit/an/snva871/snva871.pdf?ts=1682880670833&ref_url=https%253A%252F%252Fwww.google.com%252F https://www.ti.com/seclit/ml/slup384/slup384.pdf Thanks to Keysight for sponsoring this video. 0:00 The Problem of my AliExpress Products 1:16 Intro 2:04 Why is Noise/Ripple Bad? 3:39 How to Measure Noise Correctly 4:32 5V UPS Noise Problem 5:46 Solution 1: Post Regulation 7:51 Solution 2: Component Improvement 8:39 Capacitor Replacement 9:55 Other Component Problems 10:49 Mini Boost Converter Fix
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