Technical Articles

Editorial Team - EMC Directory

Jul 5, 2024

Board-level shielding (BLS) refers to the use of metal cages or enclosures on printed circuit board (PCB) to protect sensitive electronic components from electromagnetic interference (EMI) and radio f...read more

What is a Faraday cage?

Editorial Team - EMC Directory

Jul 5, 2024

A Faraday cage is a metal enclosure or container that blocks electromagnetic fields (EM fields) or electromagnetic radiation. It acts as a shield to protect the enclosed object from both static and no...read more

What are Coupling Decoupling Networks?

Editorial Team - EMC Directory

Jul 5, 2024

A Coupling Decoupling Network (CDN) is a device used in conducted RF immunity testing performed according to IEC 61000-4-6. The CDN serves as an interface between the RF signal generator and the Equip...read more

What are Anechoic Chambers?

Editorial Team - EMC Directory

Jul 6, 2024

An Anechoic Chamber is a shielded room with the walls, ceiling, and floor covered with radiation-absorbent material (RAM) or RF absorbers. The word anechoic means “non-reflective or without echo...read more

Fast Measurements with Real-time Spectrum Analyzers for EMC Testing

Aaronia AG

Real-Time Spectrum Analyzers (RTSA) are a type of spectrum analyzers that provide instant visualization of the RF signals in the frequency domain (amplitude against frequency). Their high speed offers...read more

MIL-STD-461 Military EMC Testing

Editorial Team - EMC Directory

Apr 9, 2024

MIL-STD-461 for Military EMC testing:MIL-STD-461 is an EMC testing standard that evaluates the features of electronic, electrical, and electromechanical equipment & subsystems belonging to the Dep...read more

What is ISO/IEC 17025?

Editorial Team - EMC Directory

Aug 16, 2023

ISO 17025 is the primary international standard that outlines the competency criteria for testing and calibration laboratories. It empowers laboratories to showcase their competence in generating accu...read more

What is Radiated Emission?

Editorial Team - EMC Directory

Jun 19, 2023

Radiated emissions are unintentional emissions/noise generated by electronic devices. Radiated emissions can be caused due to factors like leakage currents from high voltage circuits, switching curren...read more

What is Pulse Width Modulation (PWM)?

Editorial Team - EMC Directory

May 31, 2023

Fig: PWM signalPulse width modulation (PWM) is a widely used energy-efficient technique to control electrical loads on demand and conserve energy. In the PWM technique, a PWM controller generates the ...read more

EMC Testing for Printed Circuit Boards (PCBs)

Editorial Team - EMC Directory

May 23, 2023

EMC, or electromagnetic compatibility, refers to a printed circuit board's ability to function properly within an electromagnetic environment without generating electromagnetic or radio frequency ...read more

What is a TEM cell?

Editorial Team - EMC Directory

Apr 25, 2023

Figure 1: TEM cell geometry (Open type TEM cell shown)A TEM cell (Transverse electromagnetic cell) is a kind of test chamber used to perform EMC (electromagnetic compatibility) or EMI (electromagnetic...read more

What is Power Line Transient?

Editorial Team - EMC Directory

May 31, 2023

Figure: Understanding transientsA power line transient (electrical transient) is a temporary sudden increase in voltage and/or current on an electrical power line or electrical system that can disturb...read more

What is Inductive Coupling?

Editorial Team - EMC Directory

Apr 21, 2023

Inductive coupling occurs when there is a change in magnetic fields around a conductor, which induces an unwanted voltage or current in an adjacent conductor. This can happen even if the two conductor...read more

What is Conductive Coupling?

Editorial Team - EMC Directory

Apr 21, 2023

Conductive coupling happens when two wires touch or are linked by a metal connection. This can lead to unwanted electrical signals causing interference.Capacitive coupling: Imagine two electrical wire...read more

EMC Testing for Automotive

Editorial Team - EMC Directory

Apr 21, 2023

EMC testing for automotive electronics is necessary to ensure that the electronic systems in vehicles operate correctly and safely without causing any interference with other systems or external sourc...read more

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