Every Component of a Linear Power Supply Explained (while building one)

Video Description

The next video in the power supply series (is that a thing now?) - looking at linear power supplies! Get JLCPCB 6 layer PCBs for just $5! Register to get $80 Coupons: https://jlcpcb.com/?from=electrarc240 What happens when: 0:00 Introduction 0:10 Size comparison 0:25 What's inside? 0:46 Building our own linear power supply 1:07 JLCPCB 2:00 The mains 2:18 Input fuse 3:29 Input switch 3:44 Transformer - Introduction 3:59 Transformer - Structure 4:23 Transformer - Magnetising current 5:35 Transformer - Reactive power 7:40 Transformer - Magnetic coupling 8:06 Transformer - Secondary winding 9:08 Transformer - Why? (isolation & voltage change) 10:30 Transformer - Secondary (load) current 11:16 Transformer - Real-world voltage and current waveforms 14:04 Sometimes it's best to keep things simple 15:03 AC to DC - Diode 17:02 AC to DC - Full bridge rectifier 19:09 AC to DC - Split secondary 20:10 AC to DC - Output ripple 21:02 DC capacitor 23:21 Pulsed input current (bad) 24:39 Output regulation 26:19 Zener diode 27:40 Open loop linear regulator 30:44 Closed loop linear regulator 32:48 Complete circuit summary 33:29 Outro Follow me on Instagram to stay up to date on all the latest stuff: https://www.instagram.com/electrarc240/ Join the ElectrArc240+ discord server to hang out with likeminded folk: https://discord.gg/un9c5VHX7N Donate through PayPal to support more cool projects: https://www.paypal.com/paypalme/electrarc240