by Ghery Pettit | Mar 22, 2019 | Uncategorized
A blog recently published by Interference Technology provides a few items that an engineer should consider when auditing an EMC laboratory prior to adding them to their list of approved laboratories. Take a look at...
by Ghery Pettit | Jul 26, 2018 | EMC Design
I wrote a blog for Interference Technology (https://interferencetechnology.com/what-is-the-number-one-item-that-causes-emc-problems-at-the-board-level/) concerning discussing issues to deal with in board level design, but emphasizing the number one issue, in my...
by Ghery Pettit | Mar 30, 2018 | EMC Standards, General
I provided a blog to Interference Technology that was published last week on work that is on-going in CISPR SC I MT7 and MT8 on CISPR 32 and CISPR 35. The standards are published, but they aren’t static. Take a look at the article to get an idea of what is...
by Ghery Pettit | Mar 18, 2018 | EMC Standards
We often worry about the current or upcoming standards and test methods. Have you ever wondered how testing might have been performed in the past (like 30-40 years ago)? I wrote a blog for Interference Technology describing the way we measured emissions amplitudes...
by Ghery Pettit | Nov 28, 2017 | EMC Standards, General
CISPR is acronym for the French words for the International Special Committee on Radio Interference. “Comité International Spécial des Perturbations Radioélectiques” CISPR is a special committee of the International Electrotechnical Committee (IEC). CISPR is...
by Ghery Pettit | Oct 2, 2017 | General
I wrote a blog for Interference Technology (https://interferencetechnology.com/engineering-ethics-question-today/) concerning an ethical question that designers of self-driving vehicles need to consider. Take a look and give this some serious thought. Which way...
by Ghery Pettit | May 14, 2017 | EMC Standards, General
CISPR 13 and CISPR 22 were withdrawn by the IEC on March 5, 2017. The IEC webstore took a little while to catch up, but these two old, well regarded standards have been replaced by CISPR 32. CISPR 13 was the emissions standard for broadcast receivers and CISPR 22 was...
by Ghery Pettit | Aug 19, 2016 | EMC Standards, General
Updated August 23, 2016 with information on availability through ANSI. The IEC Central Office published CISPR 35 Edition 1.0 on Tuesday, August 16, 2016. The IEC webstore link is https://webstore.iec.ch/publication/25667. In the US, ANSI also has the standard...
by Ghery Pettit | Jul 8, 2016 | EMC Standards
The voting on the FDIS (Final Draft International Standard) for CISPR 35 (Multimedia Equipment Immunity) closed on July 8. It was accepted. The IEC Central Office must now do it’s work to generate the published version of CISPR 35 and has something like 6...
by Ghery Pettit | Jun 15, 2016 | EMC Standards, FCC
Today (6/15/2016) the FCC sent out in their Daily Digest a public notice and a Memorandum Opinion and Order and Order on Reconsideration dealing with the changes they made earlier this year on laboratory approvals for the Certification approval process. Earlier this...
