About power supply impedance, bypass capacitors, series and parallel resonances.
0:00 Intro
2:38 Bypassing vs. Decoupling
5:23 Why do we need bypassing?
14:08 Estimation and example calculation
18:28 Simulation of 100n bypassing capacitor
19:45 Power supply impedance
24:03 Voltage regulator impedance
26:31 Coper track impedance
30:05 Power supply line simulation
33:14 Power supply bypassing
39:20 Effect of bypass capacitor
41:40 Real capacitor
45:48 Second parallel capacitor
49:55 More of the same value capacitors
53:14 Damping of power supply resonance
55:14 Final solution
57:10 Bypass and bulk capacitance
1:02:49 Outro
@By Jan Fink
