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.

Devices That Produce Ionizing Radiation

Overview of devices producing ionizing radiation (radiation therapy, nuclear medicine) with contrasts between electromagnetic and ionizing radiation and safety measures.

How to Choose the Right EMI Filter: 8 Selection Parameters

Select an EMI filter by checking rated voltage/current, leakage, stages and cutoff frequency, and comparing insertion loss to conducted emissions from EMC tests.

Basics of Electromagnetic Compatibility (EMC) Design

Technical overview of electromagnetic compatibility (EMC) and testing, covering theoretical foundations, interference sources, ESD immunity, surge and anechoic chamber test methods.

Common EMC Filtering Methods and Key Considerations

Technical overview of EMC filtering techniques—magnetic, capacitive, impedance and band-pass filters—selection criteria, frequency ranges, grounding, and installation guidance.

Common Electromagnetic Interference Effects and Consequences

Overview of electromagnetic interference (EMI) effects, cases, and mitigation techniques like shielding, filtering and EMC compliance to protect device function and safety.

Four Classic EMC Questions and Answers

EMC Q&A on EMI causes and remedies: common-mode currents from LED cabling, coax/shielded cable solutions, surface current/magnetic probes, and rise-time effects on harmonics.

EMC Filters: Key Considerations for Use

EMC filtering overview of magnetic, capacitive, impedance and band-pass filters, with practical design guidance on frequency range, placement, grounding, and component selection.

Electric Drive Trends and EMC Design for High Integration

Overview of next-generation electric drive trends and multi-in-one integration, addressing EMC design, NVH, efficiency, and system-level engineering challenges.

Relationship Between Capacitor Filtering and Decoupling

Explains why decoupling capacitors sit on chip power pins: provide AC return path, reduce loop area, and stabilize supply for power integrity.

Current Probe Use in Conducted and Radiated Testing

Guide to using current probe for EMC conducted and radiated testing: calibration, transfer impedance, common mode limits, and diagnostic workflows for engineers.