Noise Design & EMC

What Is Crosstalk? Understanding Parasitic Coupling in PCB Traces

Crosstalk is an unavoidable effect in high-speed PCB design. This article explains crosstalk at the circuit level, focusing on parasitic capacitive and inductive coupling that do not appear in schematics.

2026.02.11

Noise Design & EMC

Why Ferrite Beads Work: Damping Ringing with Loss (uSimmics Waveforms)

Learn why ferrite beads reduce ringing: it’s loss, not “inductance.” Compare ideal L, ideal R, and a real bead (.s2p) in uSimmics.

2026.02.08

Noise Design & EMC

What Is Ringing? Understanding Jagged Oscillations with uSimmics

Learn what ringing is in high-speed digital circuits.This article explains LC resonance and damping using a minimal circuit and transient analysis in uSimmics, with clear waveform examples.

2026.02.08

Noise Design & EMC

Understanding Signal Reflection in High-Speed Digital Circuits

Learn what signal reflection is in high-speed digital circuits.This beginner-friendly guide explains impedance mismatch, transmission lines, and waveform steps using a simple uSimmics simulation.

2026.02.07

Noise Design & EMC

Noise Mitigation Basics with uSimmics: Source → Path → Victim

Learn a simple noise/EMC framework: Source → Path → Victim. See how parasitics (L/C/R) change waveforms in uSimmics, including ground bounce and crosstalk. Understand what decoupling caps, ferrite beads, and solid ground planes really do.

2026.02.01

Noise Design & EMC