Power electronics
A Decoupling Review Checklist for a Finished Layout
Twenty minutes over the finished layout, cheapest fixes first.
Topic
Power electronics
Supplies, decoupling, converters and batteries.
Power electronics
Plane Capacitance and the Power Distribution Network
Target impedance, and how much of it your board actually needs.
Power electronics
Anti-Resonance: When Two Capacitors Are Worse Than One
Why mixing values can raise the impedance instead of lowering it.
Power electronics
Bulk, Mid and High Frequency: Dividing the Work
How to split the frequency range by working from the load.
Power electronics
Choosing Values: The 100 nF Habit Examined
What sets the value, and when the 100 nF default stops reaching.
Power electronics
Via and Pad Patterns That Keep Inductance Low
Vias, pads, and the thermal relief that quietly costs you half a nanohenry.
Power electronics
Placement: Why Distance Matters and How Much
Why “within X mm” hides the variables that actually decide.
Power electronics
Loop Inductance: The Number That Decides Everything
Where the nanohenries come from, and which of them you control.
Power electronics
The Transient Current Demand of a Digital Device
How to estimate how much current your device demands, and how fast.