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Today we're going to have a look at the steps involved in designing a split rail power supply (one containing positive and negative voltages) for your eurorack or similar synthesizer! Including having a look at AC voltage, calculating ripple voltage, picking appropriate capacitor values & more!
Patron Only Video: https://www.patreon.com/posts/new-video-psu-68141324
Schematics: https://drive.google.com/file/d/1rq2n8T-CJB6ehZtVsLL5nIX7EVr7GQ4g/view?usp=sharing
00:00 Intro
00:40 Why Build A PSU?
01:45 Input Voltage
02:10 Design Overview
02:50 Diode Recap
03:45 RMS vs Peak Voltage
04:17 Voltage Doubler Circuit
07:30 What is Ripple Voltage?
08:20 Current Draw Conundrums
11:00 Ripple Calculations
12:25 Choosing Filter Capacitors
13: 26 Protection Diodes
14:10 Linear Regulator
15:47 Circuit Demo
17:14 Circuit Testing
19:50 Outro