Practical examples to show what decoupling capacitors do. Explained by Eric Bogatin. Thank you Eric. Links: - Bogatin's Practical Guide to Prototype Breadboard and PCB Design: https://www.amazon.com/Bogatins-Practical-Prototype-Breadboard-Design/dp/163081962X - The Myth of Three Capacitor Values: https://www.signalintegrityjournal.com/articles/1589-the-myth-of-three-capacitor-values - Signal Integrity Academy (use FEDSI - 3 months free): https://www.bethesignal.com/bogatin/3monthsubscription.php - FEDEVEL courses: https://courses.fedevel.com/ Chapters: 00:00 What is this video about 02:06 The schematic 14:44 The board / circuit 22:03 Example: Long rise time 26:48 2us rise time, no decoupling capacitor 29:46 Fast rise time, no decoupling cap 34:01 Fast rise time, moving probe 35:32 Estimating decoupling capacitor value 38:49 1000uF close to circuit 41:42 1000uF far from the circuit 43:37 1uF close to the circuit 46:24 Where to place decoupling capacitor 48:38 1 vs 2 capacitors 50:04 Sometimes more is better 54:18 Conclusion 55:49 Why 100nF capacitor? 1:01:43 Why PDN Graph? ------------------------------------------------------ Would you like to support me? It's simple: - Sign up for online courses hosted on our platform: https://marketplace.fedevel.education/ - Sign up for my Hardware design and PCB Layout online courses: https://academy.fedevel.com/ - You can also support me through Patreon: https://www.patreon.com/robertferanec - Or sign up for my Udemy course: https://www.udemy.com/learn-to-design-your-own-boards/ It is much appreciated. Thank you, - Robert