Probes for Accurate Field Strength of Modulated Signals

Guidance on radiated immunity test calibration: when modulated signals require modulation?aware field probes, key specs to check include sampling rate, rise time, and pulse width.

Wave Impedance and Electromagnetic Shielding Principles

Technical overview of electromagnetic shielding covering reflection and absorption loss, wave impedance in near/far fields, skin depth effects, and a copper-foil enclosure case study.

Component Applications in EMC: Capacitors and Related Parts

Guide to capacitor selection for EMC: frequency-dependent impedance, self-resonant frequency, ESL reduction, decoupling strategies, Q factor and temperature/voltage effects.

Fixing Clock Radiation Exceedances in EMC Testing

Case study of EN55032 Class B radiated emissions from an I2S clock and remediation by adding a 300Ω ferrite bead, with filtering and spread?spectrum alternatives.

What EMI Testing Measures and Two Key Requirements

Technical overview of EMI: electromagnetic interference testing and human-machine interface (HMI) testing, including radiated/conducted emissions and standards compliance.

EMC, EMI and ESD in Electronic Design

Practical EMC design guide outlining early design practices, team roles, and ESD protection methods for hardware, PCB, and enclosure engineers.

What Does an EMC Filter Do? Difference from Power Filters

EMC filter overview: inductors and capacitors suppress EMI and high-frequency noise on power and signal lines to improve electromagnetic compatibility and compliance.

Preventing EMI from Entering PCB Circuits

Practical PCB design guidelines to control EMC and EMI: grounding, analog/digital separation, routing angles, via management, filtering and shielding techniques.

How Filters, Common-Mode Chokes and Ferrite Suppress EMI

Overview of EMC filtering: behavior and selection of filter capacitors, common-mode chokes, and ferrite beads, with high-frequency performance, mounting, and thermal considerations.

EMC Test Standards and Key Test Items

Technical overview of EMC testing standards and procedures, covering CISPR, EN, FCC, IEC and key tests such as radiated emission and immunity assessments.