David Zhang, Nima Molaei, Leslie Bai Abstract New European Union Directive requirements have been introduced for 2.4GHz ISM Data Transmission Equipment, which will be in effect starting January 1, 2015. This article presents an overview of the regulatory compliance requirements, and provides a detailed analysis on the differences between the current standard ETSI EN 300 328 … [Read more...]
How much ESD can an IC bear?
IC immunity tests under the influence of ESD Sven Konig Nowadays, electronic devices have to meet the highest standards in terms of ESD immunity. "According to estimates of TÜV NORD, the manufacturing industry incurs costs amounting to millions of euros every year due to electrostatic discharges. ESD effects lead to circuit failures which in turn bring a vehicle, a process or … [Read more...]
The Need to Develop a Standardized Program for the Education and Training of Electromagnetic Compatibility Engineers
Anthony A. DiBiase There is an evolution in the study of electromagnetic field effects on electrical and electronic products and systems. It is progressing from an engineering art to an engineering science. This is in part due to the fact that the electromagnetic field source environment is increasing in complexity along with a greater intensity. The complexity and … [Read more...]
The Annual IEEE EMC Show in Dresden (continued) Plus Elephant #4 ‘The Zip Code Lottery in Achieving Product Compliance’
Great news, borrowing 3D EM software to diagnose the performance of the automotive radiated emissions test fixture is a go! I have been given a contact at the 3D EM software house and things should pick up quickly after the contact returns from the EMC Europe show in Sweden. I am excited. Meantime ....The Annual IEEE EMC Show - Why Dresden?Leaving aside the European location … [Read more...]
Ta DAH!
At long last, Department of Defense Instruction 3222.01, the DoD Electromagnetic Environmental Effects Program, has been signed and released. For those of you following along, its been a long road! See the post from Dec 2013.So, we have a new DoD E3 Instruction…what does that mean? First of all, as the title indicates, it's an Instruction, not a Directive – the difference is … [Read more...]
The Annual IEEE EMC Show – Why Dresden? Plus Proof of the Arbitrary Selection of Automotive Amplifier Harmonic Limits
Read other posts in the "Elephant in the Test Room" series here.It is looking good for using 3D software to diagnose the performance of the radiated emissions test fixture. Should get the go ahead any day now. Meantime, let’s explore this year’s hot topic. The Annual IEEE EMC Show - Why Dresden?It is no surprise that some USA residents in the EMC industry are wondering why the … [Read more...]
Determination of Practical Harmonic Levels
Well we are still waiting to see if borrowing 3D EM software is on the cards. I should know soon, one way or the other. I hope it happens, but for now let’s keep holding off on Elephant #3, ‘Fixing the Broken Automotive Test Fixture,’ In the meantime, we can continue the engineering approach on determining a practical level of harmonics in RF immunity for Elephant #2, … [Read more...]
Avoid the Most Common Failures with These 7 Essential EMC Design Rules
A reader recently asked me what the top design rules were that they could implement on their product to maximize the chances of passing FCC and CE testing. There’s no doubt that there are countless ways to fail emissions and immunity tests, but a pattern of failure modes did emerge at my EMC lab.Regardless of the type of product I was testing, be it medical, industrial, … [Read more...]
Linearization of EMC Amplifiers Continued – Determining Practical Harmonic Levels
Read other posts in the "Elephant in the Test Room" series here.At the time of writing, I am waiting to see if borrowing 3D EM software is on the cards, so let’s postpone progress on Elephant #3 for the time being. I'm quite excited at the prospect of modeling the present automotive emissions test fixture, and equally important, modeling the proposed improvements. In the … [Read more...]
A Report from the Southeastern Michigan EMC Fest
I recently attended the Southeastern Michigan EMC Fest, so this posting is dedicated to the show. I have a lot of admiration for Scott Lytle (Chapter Chair) and the Southeastern Michigan chapter he runs, so I decided to attend this year’s EMC Fest. The key attraction was Doug Smith, who gave attendees the benefit of his wisdom on diagnosing automotive EMC issues.The … [Read more...]
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