EMI/EMC testing equipment developer Com-Power Corp. has released the ANK-310 antenna kit for offsite EMC testing. The new ANK-310 antenna kit, as well as Com-Power’s ANK-318 antenna kit, will be available from test equipment supplier Test Equipment Connection. According to the company, the ANK-310 antenna kit is suitable for testing from 30 MHz to 1GHz and is offered with the … [Read more...]
New EMI Test Receiver Increases Speed of Precompliance Measurements
Rhode & Schwarz, a supplier of test and measurement, broadcasting, radiomonitoring and radiolocation equipment, has released the ESRP EMI test receiver for diagnostic and precomplance measurements in the frequency range of 10 Hz to 7 GHz. According to Rohde & Schwarz, the new EMI test receiver is “the ideal instrument for developers to employ in the early stages of … [Read more...]
Twinkle, twinkle, little star . . .
We often wonder how good you are. Want to start a heated argument in the EMC community? Just start talking about grounding systems and why the Star or single point ground (SPG) system is so-o-o-o much better than those ridiculous multipoint ones being used by all those other people. Really? Are they that good? Before I answer that, let me first mention Scott … [Read more...]
Register for Our Free Webinar on EM Field Theory and Three Types of EM Analysis
On Feb. 27, 2013, at 2 p.m. E.S.T., Keith Armstrong will present a live webinar on “Understanding EMC Basics: EM Field Theory and Three Types of EM Analysis.” This webinar describes a simple, easy non-mathematical engineering understanding of the physical underpinning of electromagnetics leads directly to design techniques for EMC that save time and money overall, improve … [Read more...]
New EMC Vehicle Testing Facility Opens in Taiwan
An electromagnetic compatibility testing facility for vehicles has been opened at the Automotive Research and Testing Center in Lukang, Changhua County, Taiwan. According to the Republic of China (ROC) Ministry of Economic Affairs, the facility is capable of providing testing for components, systems and entire vehicles. The facility is equipped with a large anechoic chamber, a … [Read more...]
Common Mode Emission. Can It Get Any Worse?
You betcha! Once upon a time I was in charge of EMC design for a large scale military digital telecommunications system. This system had to handle both red and black analog and digital data with the proviso that never the twain shall meet. In the lab where all the engineering tests were taking place everything went great until the cables were hung on the … [Read more...]
What’s this about CM and DM radiation?
We’ve been discussing loops all along and we are still at it. The last post looked at DM, this time it’s back to CM. These loops are the worst -- big – bad – ugly! Finding the loop may be a problem . . . but where there’s current, there’s a loop. The DM loop is easy, typically a differential pair over a ground plane in a high-speed system, the CM is some … [Read more...]
Tell Me Again Ron – What’s This About CM & DM Radiation?
Apparently, I didn’t throw enough words at the CM/DM problem in the last several posts so I’m going to add to it, but from a slightly different perspective. It’s either that or hide my email address. I’ll do DM this time, CM next time. We’ve been discussing loops all along. If there’s current, there is a loop somewhere. Finding it may be a … [Read more...]
EMC Engineers Come Bearing Gifts
It’s the holiday season again, when we celebrate the serious things in life and have some fun too.When EMC engineers come bearing gifts...tis NOT the season to be jolly. Fa-la-la, le-la-la-laa. In fact, it’s time to be worried. For to the EMC engineer, GIFTS is an acronym for: Grounding, Isolation, Filtering, Transient suppression, and Shielding. Sometimes it takes … [Read more...]
What Books are Recommended for EMC Design and Mitigation?
Editor’s note: This question was asked in response to Interference Technology’s recent webinar by Keith Armstrong. To view the webinar, click here. Question: What books do you recommend for EMC design and mitigation? Answer: Obviously, I’m going to recommend my own books (see below)! But in all seriousness I do think my books very good for the practicing electronic design … [Read more...]
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