Resources

Aircraft power systems endure dramatic electrical events—voltage surges, frequency shifts, and sudden dropouts during engine transitions. Power line testing ensures avionics can withstand these harsh conditions, from flight-critical computers that must survive 50ms power failures to everyday equipment that keeps passengers comfortable at 30,000 feet.

Wondering how electronics pass EMC compliance? This guide breaks down essential standards from CISPR, IEC, FCC, and more—plus real-world examples from smartphone makers, automakers, and medical device manufacturers. Learn the testing requirements, documentation needs, and practical techniques companies use to ensure their products won't cause or suffer from electromagnetic interference.

Shielding effectiveness changes dramatically in the near field. This month's column introduces wave impedance concepts for electric and magnetic dipoles, revealing why electric sources behave as high-impedance radiators while magnetic sources act as low-impedance radiators—distinctions critical for designing effective shields close to emission sources.

High-speed automotive serial links supporting ADAS features face a critical challenge: meeting stringent system-level ESD requirements while maintaining signal integrity at 10+ Gbps. This column presents an innovative on-chip protection architecture embedding ESD clamps within T-coil circuits, achieving 8kV ISO protection while supporting data rates exceeding 36 Gbps.Retry

Harmonic comb generators are essential EMC lab tools that produce harmonically-related signals for chamber verification and troubleshooting. Learn why every test lab needs one, how to build a simple DIY version for under $50, and discover the best commercial options with unique features. From measuring cable resonances to portable chamber validation, these versatile devices belong in every EMC engineer's toolkit.

Effective bonding is crucial for EMC success, but requirements vary by purpose. NASA-STD-4003A defines five bond classes—from static control to lightning protection—each with different impedance and current needs. Understanding which class applies helps engineers design appropriate bonding schemes rather than over- or under-engineering connections.

Spectrum analyzers are essential for EMC testing—but only when used correctly. From setup and calibration to antenna selection and data interpretation, this guide covers best practices to ensure accurate measurements and smooth compliance with regulatory standards.

Engineers trust proven principles, navigate unknowns through experience, and lean on colleagues when problems arise. This exploration reveals how collaboration and generosity drive technical work forward. Amid the calculations and compliance demands, engineering remains fundamentally human—powered by the connections we build and the knowledge we share.

Discover how cutting-edge RF absorbing materials are revolutionizing electronics—from innovative MXenes and acoustic metamaterials to eco-friendly bio-based alternatives. These breakthroughs are transforming device performance while tackling electromagnetic interference and environmental challenges. The future of sustainable, high-performance electronics starts here.

Discover why copper shields outperform steel at low frequencies but steel dominates at high frequencies. This practical guide presents simplified formulas for calculating electromagnetic shielding effectiveness, revealing the surprising crossover point at 4200 Hz where material performance flips.