Relevant data and basic calculations can determine the level of lightning protection needed for a particular facility. Bryan Cole Technology Research Council Nichols, NY, USA Jim Tiesi Emerson Network Power Surge Protection Binghamton, NY, USA High-reliability systems require system up-times that approach reliability requirements of 99.9999 percent. Putting this requirement … [Read more...]
Test Beyond the Specs: Why Test Higher in Frequency and Field Strength?
IEC 61000-4-3: 2006’s frequency escalation Jason Smith and Pat Malloy, AR RF/Microwave Instrumentation Souderton, PA An increasing number of new and proposed EMC standards are pushing the upper frequency test limits higher into the microwave spectrum. The latest EMC standard released, IEC 61000-4-3: 2006, is no exception. The upper frequency test limit has been increased from … [Read more...]
Towards an EMC Technology Roadmap
A technology roadmap is a tool for attaining the optimum development within a sector of technology Marcel Van Doorn, Phillips Electromagnetics & Cooling Competence Center Eindhoven, the Netherlands Introduction This article expands earlier work on the concept of a technology roadmap for EMC technology.1 Just as a traditional terrestrial map helps insure that travelers … [Read more...]
Different Methods of Connecting an SPD to an Electrical Distribution Network
The way in which SPDs are connected can have a large impact on the overall protection provided Bryan Cole Introduction Surge protective devices (spds) or transient voltage surge suppressors (TVSS) are used to reduce the impact of overvoltage transients on the electrical distribution networks found in various industries. Of course, the efficacy of these devices will affect the … [Read more...]
High Gain Microwave Horn Antenna Supplies Constant High Intensity Fields for RFI/EMI Testing
The Model AT4418 from AR RF Microwave Instrumentation is a wideband, high gain, microwave horn antenna that provides a minimum gain of 7 dB over the frequency range of 1 GHz to 18 GHz over isotropic. The Model AT4418 supplies the constant high intensity fields necessary for RFI/EMI field testing within and beyond the confines of a shielded room. It can be used for emissions … [Read more...]
AR Offers New Literature on Conducted Immunity and Automotive Transient Generator Test Systems
AR RF Microwave Instrumentation has released new literature with comprehensive information on its innovative test systems for conductive immunity and automotive transient generator testing. The new brochure includes AR’sCI (Conducted Immunity) Systems, self-contained, all-in-one test systems; and the company’sTGAR Systems for automotive transient generator testing. … [Read more...]
The IEC Advisory Committee on EMC (ACEC): Coordination of International EMC Standards
Since its formation, ACEC has developed a unique structure for EMC publications that is used to this day in the IEC and in other regional standardization organizations. While many EMC engineers are familiar with the electromagnetic compatibility (EMC) standards developed by the International Electrotechnical Commission (IEC), they are probably unaware of how the structure of … [Read more...]
New RF Conducted Immunity System from AR Tests to All Automotive Specifications
AR RF Microwave Instrumentation has introduced the Model CI00401 RF Conducted Immunity system (100 watts nominal / 10 kHz – 400 MHz), a complete, self-contained system for automotive testing.The system contains a signal generator, 3-channel power meter, 100-watts nominal AR amplifier (10 kHz – 400 MHz), directional coupler, and control software. Everything is contained in a … [Read more...]
The Institute of Engineering and Technology’s New Guide on EMC for Functional Safety
A brief introduction... Keith Armstrong, Cherry Clough Consultants, Brockton, Stafford, UK This new publication (August 2008) EMC for Functional Safety published by the Institute of Engineering and Technology (IET) replaces the IEE’s 2000 edition. The Guide comprehensively describes practical and cost-effective procedures that can be utilized by both management and … [Read more...]
Test Instrumentation Firm Rohde & Schwarz Celebrates Its 75th Anniversary
On November 21, 2008 international technology firm Rohde & Schwarz celebrated its anniversary in the company’s Technology Center in Munich, Germany. More than 200 guests from around the world attended. The Prime Minister of the State of Bavaria Horst Seehofer delivered a greeting. Additionally, a glance into the high tech world of 2025 was presented by the American … [Read more...]
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