emc concepts explained

Impact of Decoupling Capacitors and Trace Length on Conducted Emissions in a CMOS Inverter Circuit

The authors evaluate the impact of capacitors and trace length on conducted emissions.

Impact of a Decoupling Capacitor and Trace Length on Signal Integrity in a CMOS Inverter Circuit

This article describes a laboratory experiment that shows the impact of the decoupling capacitors and a PCB trace length on the signal integrity in a CMOS inverter circuit.

Correlation Between Insertion Loss and Input Impedance of EMC Filters, Part 3: Cascaded LC and CL Filters

This is the third article of a three-article series devoted to the correlation between the insertion loss and input impedance of passive EMC filters.

Correlation Between Insertion Loss and Input Impedance of EMC Filters, Part 2: π and T Filters

This is the second of a three-article series devoted to the correlation between the insertion loss and input impedance of passive EMC filters. This article focuses on π and T filters.

Correlation Between Insertion Loss and Input Impedance of EMC Filters, Part 1: LC and CL Filters

This is the first article of a three-article series devoted to the correlation between the insertion loss and input impedance of passive EMC filters.

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Return-Current Distribution in a PCB Microstrip Line Configuration, Part 2

This is the second article of a two-article series devoted to the return current distribution in a PCB microstrip line configuration.

Return-Current Distribution in a PCB Microstrip Line Configuration, Part 1

This is the first article of a two-article series devoted to the return current distribution in a 2-layer FR-4 PCB microstrip line configuration with a solid reference plane.

Far-Field Criterion for Wire‑Type Antennas

This article presents the derivation of the far-field criterion for two fundamental wire-type antennas: electric (or Hertzian) dipole and magnetic dipole.