Introduction This article describes how I perform pre-compliance testing for the top four EMI issues I constantly run into; conducted emissions, radiated emissions, radiated immunity, and electrostatic discharge. Of these, the last three are the most prevalent issues, with radiated emissions typically being the biggest compliance challenge during certification testing. If … [Read more...]
Fairview Microwave Releases New Series of RF Surge Protectors Featuring 4.3-10 Connectors
Fairview Microwave Inc., an Infinite Electronics brand and a leading provider of on-demand RF, microwave and millimeter wave components, has unveiled a new line of coaxial surge protectors created to guard valuable communications equipment from power surges and indirect lightning strikes. Fairview’s new RF surge protectors are offered with either male-to-female or … [Read more...]
New at Heilind Electronics: WAGO LEVER-NUTS 221 Series Compact Splicing Connectors
Heilind Electronics, a premier global distributor of electronic components and an authorized distributor for WAGO, is now offering the manufacturer’s 221 Series compact splicing connectors. These connectors are 40% smaller than WAGO’s 222 Series, providing more junction box space in applications like lighting and home automation. 221 Series connectors are not only … [Read more...]
Harwin Adds to Unique & Highly Adaptable Board Level Shielding
Assisting engineers dealing with EMI/RFI issues in their PCB designs, Harwin has just announced the introduction of three new shielding cans. Supplied in a tape-and-reel format, these cans increase the company’s existing range of EMC products. The new can dimensions are 10 mm x 10 mm, 15 mm x 10 mm, and 30 mm x 10 mm, all with a 3 mm profile height and 0.15 mm thickness … [Read more...]
Controlling EMI in High-Speed PCB Design
Patrick Carrier - Mentor Graphics, a Siemens Business Antennas come in all shapes in sizes. In addition to wireless communications, they are becoming ubiquitous in the automotive space as well. Similarly, very high speed digital circuits are pervading these realms. It is the unintentional creation of antennas in these high speed digital circuits that cause Electromagnetic … [Read more...]
Cable Discharge Event (CDE)
Abstract Worst-case Cable Discharge Events (CDE) are poorly understood by most of the product developers as the definition of what is about to happen when you plug in a cable into an appliance’s socket. It is NOT the electro-static charge which could be expected on the cable: outer/inner shield(s) + internal wires, while the cable is fully floating prior to the cable … [Read more...]
Do Not Miss the EMC + SIPI 2019 Symposium!
In a few weeks, we will be able to enjoy the 2019 IEEE International Symposium on EMC, Signal and Power Integrity (EMC+SIPI). I am so excited! This symposium is sponsored by the IEEE EMC Society (EMC-S), the world's largest organization dedicated to the development and distribution of information, tools and techniques for reducing electromagnetic interference with support … [Read more...]
Review of MIL-STD-461 General Requirements
Introduction Recently I noted that my series on MIL-STD-461 test methods was closing since I had accomplished a review on each of the test methods. It seems appropriate to continue with a review of General Requirements – those things common to the various test methods. These requirements have been around since the first release of MIL-STD-461 and MIL-STD-462 dealing with … [Read more...]
Heiland Electronics Announces Tech Expo in Salt Lake City
The Heilind Tech Expo will feature products from over 25 manufacturers in the electronics industry Heilind Electronics, a leading global distributor of electronic components, will host its next Tech Expo event in Salt Lake City, Utah on June 20. Attendees will have a chance to interact directly with personnel from over 25 leading manufacturers in the electronic components … [Read more...]
What is the Most Important EMC Design Guideline?
INTRODUCTION EMC design guidelines have always been a popular subject in the EMC design community. What is the most important EMC design guideline, i.e. the guideline with the highest impact on the emission and immunity of electronic circuitry? Studying books and literature from renowned EMC experts often tells us that the most important EMC design guideline is: … [Read more...]
