2019-01-21 - Martin Rowe

Perovskite improves solar-cell efficiency

Solar cells have been increasing in efficiency since their invention. Perovskite looks to provide the next increase at a reasonable cost.

2019-01-17 - Charles Hymowitz

Monte Carlo gone wrong

Engineers usually perform and assess Monte Carlo analysis incorrectly, which can result in wrong design decisions.

2019-01-09 - Eric Bogatin

The connector is often the EMI problem

It only takes 3µA of current to fail an EMC test, and a connector can produce that much.

2018-12-25 - Martin Rowe

5G test gears up

As products emerge and networks assemble, the test-equipment industry must keep up with standards, production, and deployment.

2018-12-17 - Ransom Stephens

Bet your job, bet your values

Ransom’s speech at EDI Con 2018 encompasses life, economics, values, and responsibility and it comes with a request.

2018-12-07 - Maxim Kenedys

Models reveal problems in electronics enclosures

The enclosures around your electronics must survive impacts, high temperatures, and general abuse. Models can uncover hidden defects not visible inside your molded parts.

2018-11-21 - Martin Rowe

Repair: HP 34401A capacitor failure

In another case of failed capacitors, this classic meter needed some power-supply capacitors replaced, and the diodes that came with them.

2018-11-16 - Charles Hymowitz

Circuit and component models: Get them right

You need both mathematical equations and simulation, often in tandem, to produce accurate worst-case analysis. You also need accurate model correlation, which often takes work, before applying tolerances.

2018-11-08 - Rajan Bedi

Testing high-throughput satellites: prototyping to in-orbit verification

When developing satellite electronics, testing occurs throughout all stages of spacecraft development, from characterising the performance of parts to validating proof-of-concepts at prototyping, and post-launch in-orbit verification.

2018-11-05 - Martin Rowe

EDN visits a calibration lab

At Transcat's Rochester, N.Y. lab, we gave an HP 34401A DMM a checkup. The meter's readings were disappointing, but it was a worthwhile reality check.