Langer EMV-Technik GmbH has released new SX near-field probes with a frequency range up to 10 GHz enable EMC analysis of interference emitted by electronic boards, components and IC pins with high internal frequencies. High clock rates of 2 GHz, says the company, may result in fifth order harmonics of up to 10 GHz. These harmonics are coupled out by RF sources on the board … [Read more...]
The Linearization of EMC Amplifiers Continued & Introduction to Elephant in the Test Room #2
Read other posts in the "Elephant in the Test Room" series here.As promised in the last post, here is the start of the next elephant! Elephant #2 - Disharmony in Harmonic LimitsThe Room: RF immunity testingThe Elephant: The curbing of the contribution made by harmonics to a calibrated test-field varies wildly from standard to standard, and within standardsThe Culprit: Harmonic … [Read more...]
Radar Interference Mitigation Strategy to Boost Wind Turbine Installations
A new agreement between a UK air traffic services company and two wind turbine developers could unlock up to 2.2GW of potential new wind energy across the UK. The deal, signed between NATS and wind turbine developers SSE and Vattenfall, secures the funding for alterations to two Raytheon-manufactured radar sites— Lowther Hill and Great Dun Fell—to enable better mitigation of … [Read more...]
Network Analyzer for Tests RF Passive Components and Dielectric Materials
Agilent Technologies has announced the availability of the E5063A ENA Series network analyzer offering optimized performance and functionality for testing simple RF passive components, such as handset/BTS antennas, RF cables and filters. It can also be used in R&D for evaluation of RF passive devices and dielectric materials. The Agilent E5063A provides excellent RF … [Read more...]
Dutch Cable Companies Blame 4G for TV Interference
Cable companies in the Netherlands are claiming 4G wireless networks may be affecting their television broadcast signals. Certain frequencies used by the fourth generation mobile network technology are also employed by television broadcasters to deliver content over cable, the Netherlands Broadcasting Foundation (NOS) said this week. There have been complaints in some cities … [Read more...]
Better Magnetic Spin Wave Control for Electronic Devices
Researchers have developed a method for creating and controlling quick-moving waves in magnetic fields they say could improve communication and information processing in computer chips and other electronic devices. Created by scientists in the Department of Physics at New York University, the new technique relies on “spin waves,” waves that move in magnetic materials similar … [Read more...]
IEC 60974-10:2014: Arc Welding Equipment – Part 10: Electromagnetic Compatibility (EMC) Requirements
From the International Electrotechnical Commission webstore: "IEC 60974-10:2014 specifies: a) applicable standards and test methods for radio-frequency (RF) emissions; b) applicable standards and test methods for harmonic current emission, voltage fluctuations and flicker; c) immunity requirements and test methods for continuous and transient, conducted and radiated … [Read more...]
Fluorescent Lights Interfering with Verizon LTE Network, Says FCC
The Federal Communications Commission has issued a citation to owners of an office building in downtown Los Angeles, Calif. after discovering that fluorescent lights in the building are interfering with Verizon Wireless’s 700 MHz network. According to the FCC citation, the interference stems from the ballast, which limits the current through the tube of the fluorescent lamp. A … [Read more...]
EMI Absorption Tape & Sheets Feature Dual-Layer Design for Maximum Noise Mitigation
Molex Inc. has released new HOZOX electromagnetic interference absorption tape and sheets designed for use by manufacturers of high-frequency equipment in industries such as medical, consumer electronics, data-telecommunications and microwave/RF. According to the company, the new HOZOX absorption technology incorporates a unique magnetic-conductive dual-layer design to … [Read more...]
To EMP or Not to EMP… Is That the Question?
So what are our thoughts on the threat of an electromagnetic pulse event (God forbid) causing some sort of catastrophic damage to our telecommunications, power, and whatever other kind of electronic infrastructure that might be out there? I know, I know…it depends who you talk to! Being in the EMC business, I’d like to believe that I understand the fundamental issue (danger) … [Read more...]
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