Professional EMC Design Services by WellCircuits
WellCircuits provides top-notch EMC design services, with a team of experts hailing from renowned enterprises and research institutions. Our specialists bring vast experience and cutting-edge technology to the table, focusing on analyzing schematic diagrams, single-board construction, and high-speed signal simulation for SI PCB layouts. By employing meticulous component selection and strategic measures, we ensure comprehensive resolution of EMC issues in your products. Contact us for inquiries!
Importance of EMC Design for Products
EMC design is crucial to meet product functionality requirements, reduce debugging time, and ensure compliance with electromagnetic compatibility standards. This guarantees that your product does not create electromagnetic interference with other system equipment.
Aspects Covered in Our EMC Design
Our EMC design services encompass circuit design (including device selection), PCB layout, shielding structures, signal and power line filtering, and circuit grounding design, among other critical aspects.
Basic Principles of EMC Design
Electronic circuit designers often prioritize product functionality over electromagnetic compatibility, leading to unintended electromagnetic emissions and susceptibility issues. To address these challenges, EMC design should consider the following:
1. Component Selection
The electromagnetic characteristics of fundamental circuit components significantly impact EMC performance. Key selection criteria include bandwidth characteristics and assembly techniques, with circuit assembly influencing out-of-band response and coupling between components.
2. Specific Guidelines
- Filtering at higher frequencies: Use through-hole capacitors or low lead inductance support capacitors over leaded capacitors.
- Utilize solid capacitors for circuits with high ripple voltages to prevent dielectric breakdown in aluminum electrolytic capacitors.
- Choose resistors with minimal parasitic inductance and capacitance, favoring chip resistors for the UHF band.
- Enhance low-frequency insertion loss with multi-section filters composed of smaller inductors.
- Consider saturation characteristics of core inductors in high-level pulse scenarios.
- Implement shielded relays and shield grounding, effective shielding, and isolated input transformers.
- Ensure power transformers for sensitive circuits feature electrostatic shielding.
- Use shielded cables for signal wire interconnection and connect shield bases adequately.
These principles form the foundation for robust EMC design, reducing electromagnetic interference and ensuring compliance with sensitivity requirements.
