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May 2017

Alternative Paths of the Return Current

Consider a two-sided PCB with a single trace on top and full copper ground plane on the bottom.

Power Systems and Polarization

The “power distribution system” is all parts of an electric system between the “bulk power source” and the consumer’s service-entrance equipment.

Quantified Fault Tree Techniques for Calculating Hardware Fault Metrics According to ISO 26262

ISO 26262 requires a variety of processes and frameworks for safety management, safety concept development, requirements flow-down, and verification & validation activities.

Can Social Media Help Satisfy the Manufacturer’s Pre- and Post-Sale Duties?

Social media and the internet in general have given manufacturers a much greater ability to communicate with their consumers on a regular and frequent basis.
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Are Your ESD Tote Boxes and Containers Too Conductive?

Tests and manufacturing results have proven that some static dissipative materials can still produce significant and possibly damaging discharge currents.

Lenny and Goliath: A Modern Fable

In the beginning there was Underwriters Laboratories, and not much else.

The FCC’s Other Shoe Hits the Floor

After causing a bit of a stir in the compliance testing industry in the last few years, the FCC recently defused some tension when they accepted a pair of US-based Accreditation Bodies to accredit laboratories in foreign lands.

Ringing with High Quality Components

Many EMI and SI problems are related with a combination of inductance and capacitance without losses.
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