ALLPCB
EMI Shielding Film Structures and Principles
Overview of EMI shielding film structures and operating principles, covering single- and multi-layer metals, nano-composites, absorption, reflection, and applications.
EMC Standards Classification Methods
Overview of IEC-based EMC standards: basic, generic, and product (series & dedicated) standards covering EMI emissions and immunity requirements.
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.
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.
HDMI 2.1 Noise Suppression Solutions
Explore HDMI 2.1 noise suppression solutions using CMCCs to tackle EMC challenges and maintain signal integrity in AV systems.
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.
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.
How Electromagnetic Interference Is Generated and Its Paths
Technical overview of electromagnetic interference (EMI), common sources: power lines, RF, radiated emissions, crosstalk and ground effects, plus mitigation via shielding and filtering.
Differences Between Shielded Rooms and Anechoic Chambers
Technical overview of platform screen door types, power and lighting design for electromagnetic shielded rooms, and differences between shielded rooms and anechoic chambers.
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.