New surface mount ceramic resonator band-pass filters have been introduced by Mini-Circuits, a manufacturer of RF, IF and microwave signal processing products. Featuring high-Q ceramic coaxial resonators and a small footprint of 0.678 x 0.474 inches for space efficiency in dense assemblies, the new CBP filters are available in passbands of 1170 to 1390MHz, 1215 to 1400MHz, … [Read more...]
Scientists Use Electromagnetic Radiation to Identify Counterfeit Goods
British scientists have devised a way to use electromagnetic radiation to identify counterfeit textiles, a discovery that could help recover billions of dollars in lost revenue for the fashion industry each year. World-famous and highly competitive, the British fashion industry is worth £21 billion ($32.5 billion) to the UK economy, and as much as £37 billion when wider … [Read more...]
PLAD TVS Diodes Offer Transient Lightning Strike Protection
Microsemi Corporation, a provider of semiconductor and system solutions for communications, defense, aerospace and industrial markets, has introduced two new plastic large area device (PLAD) transient voltage suppression (TVS) diode products for transient lightning strike protection of aircraft electrical systems “The trend towards aircraft electrification, greater reliability … [Read more...]
What are Best Practices for Qualification of Homemade Antennae to 'Calibrate' Pre-Compliance Measurements?
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 are best practices for qualification of homemade antennae to 'calibrate' pre-compliance measurements? Answer: Apart from ‘sniffer’ probe antennas, I have always used antennas that I have purchased, complete with … [Read more...]
That’s a Wrap! The 2013 IEEE EMC Symposium
BLUF—that’s "Bottom Line Up Front" for those that don’t speak acronym-ese—the 2013 IEEE International Symposium on EMC was another smashing success! Denver is a great town for a convention, the facilities were excellent and as always, the Symposium committee pulled it all together and put on an outstanding show. If there were any hitches or glitches, it sure didn’t show. I’ve … [Read more...]
Elephant in the Test Room #1 Continued – The “Money No Object” Approach to Fixing the Under-Test Situation
Read other posts in the "Elephant in the Test Room" series here.Recap on this threadThe room: MIL-STD RF immunity testing – 1-18GHz 200v/mThe elephant: Everyone in the room is aware that a significant fraction of the ‘calibrated’ 200v/m test field is actually created at the wrong test frequency.The culprit: Notoriously high ‘start of band’ harmonics produced by all octave band … [Read more...]
FCC Announces Rule Change for 60 GHz Band
The Federal Communications Commission (FCC) has announced a rule change regarding the high frequency 57-64 GHz band in a decision that could bring faster, more cost-effective broadband services to both rural and urban areas. FCC acting chairman Mignon Clyburn and commissioners Jessica Rosenworcel and Ajit Pai unanimously approved changes to the commission’s Part 15 rules last … [Read more...]
U.S. Navy Tests Military Spectrum Sharing Potential
The U.S. Navy has taken a large step towards opening military frequencies for greater commercial use with a recent experiment that evaluated whether or not military and commercial devices can successfully share the same frequency without interference. In a recent test off the coast of Virginia's eastern shore, the Navy activated an AN/SPY1—a powerful naval radar system that … [Read more...]
South Korea Tests ‘Electric Road’ for Public Transportation
New electric buses with the ability to charge wirelessly while in motion introduced by the Korea Advanced Institute of Science and Technology (KAIST) could potentially boost commercialization efforts of electric vehicle technology. Known as Online Electric Vehicles (OLEV), the electric buses draw power wirelessly through the application of KAIST’s “Shaped Magnetic Field in … [Read more...]
EM Simulation Software Update Includes Features for MR Community
A new version of XFdtd Bio-Pro 3D electromagnetic simulation software has been released by software provider Remcom. XFdtd Bio-Pro is a specialty version of XFdtd, designed for the calculation of the biological effects of electromagnetic fields, that provides users with a bundled collection of biomedical EM calculation capabilities such as specific absorption rate (SAR) … [Read more...]
- « Previous Page
- 1
- …
- 240
- 241
- 242
- 243
- 244
- …
- 647
- Next Page »
