ALLPCB
Mitigating EMI in Automotive High-Voltage Harnesses
Explore strategies to mitigate EMI in automotive high-voltage harnesses for reliable electronic performance and EMC compliance.
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.
58 EMC Design Questions & Answers
Get expert answers to your EMC design questions. Learn about EMI filtering, shielding, PCB layout, and grounding to pass standards and prevent interference.
EMI: Causes and Simple Shielding Techniques
Discover the sources of Electromagnetic Interference (EMI) and learn simple, effective shielding techniques to protect your electronic devices from disruption.
Key Parameters of Electromagnetic Waves
Explore key parameters of electromagnetic waves, including plane EM wave representation and characteristic impedance in RF systems.
Resonance: The Core of EMI Problems
Overview of resonance principles, LC circuit behavior, and how resonance causes EMC/EMI problems in filters and PCB layouts, plus mitigation strategies.
Legendre Filter Synthesis and Design Details
Derivation of Legendre filter synthesis from monotone minimum-attenuation constraints, with MATLAB design tool, coefficient generation and LP/BP examples.
EMI Transmission Methods and Three Suppression Techniques
Overview of EMI mitigation: transmission options (conducted, optical fiber, offline), plus shielding, filtering, grounding and spectrum management for EMC compliance.
Electromagnetic vs Ionizing Radiation: Key Differences
Learn the differences between electromagnetic and ionizing radiation, health risks, and key safety standards (ICNIRP, ICRP) and exposure limits.
EMC Filter Design & Optimization Techniques
Optimize SMPS EMC filter design. Learn how considering parasitic parameters and using simulation with measured component data saves time, cuts costs & gets to market faster.
Novel Active EMI Filter (AEF) Circuit Analysis
Combat EMI noise from power supplies with a new Active EMI Filter. Our transformerless design reduces filter size and adds 10dB+ high-frequency reduction.
Tips to Prevent EMI in High-Speed Signals
Practical techniques to reduce EMI in high-speed signal designs: ground planning, shielding, ground separation, PCB layout, return-loop control, edge-rate and filtering guidance.
10 EMC/EMI Design Tips
Practical automotive EMC/EMI techniques: CISPR/ISO overview and 10 design tips to reduce emissions, improve immunity, and pass tests first time.
Choosing Capacitors for ESD Protection in EMC Testing
ESD ±4kV pin-discharge mitigation using a 10nF capacitor at the interface, analyzing insertion loss, self-resonant frequency and EMC impact.
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.
ESD Design for Metal-Enclosed Systems
ESD control for grounded metal enclosures: analysis of contact vs air discharge, coupling paths, and mitigations via grounding, enclosure design, and PCB fixes.
EMC Design: Practical ESD Protection Techniques
Technical overview of ESD protection methods - TVS diodes, MLCC capacitors, shielding, PCB stackup, anti-static perimeter and grounding for ISO 10605 ESD mitigation.
EMC Conducted Emission Failure Analysis and Fix
Troubleshooting DC power port conducted emissions: on-site GNDD to -48VRTN bonding and DC-C grounding reduced 150 kHz–2 MHz noise, achieving >5 dBμV margins.
EMC Sensitivity of Automotive Temperature Signals
Exploring EMC sensitivity of automotive temperature signals and the impact of EMI on sampling circuits in electric vehicles.
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.