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Interference Technology

For EMI / EMC Engineers

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Antennas

SE Michigan Section Slates Speaker on Antennas and RF Sensors

 

The Southeastern Michigan Section of the IEEE Society has slated a session for Monday, March 16, 2009 at 3:30 pm. This event is part of the Section’s “Chapter IV” Speaker Series and will feature John L. Volakis, a professor in Ohio State University’s School of Electrical and Computer Engineering. Prof. Volakis will discuss “Antennas and RF Sensors: Changing the Way We Live.” … [Read more...]

New Solid State Amplifier Features an Improved Noise Figure and Compact Design

 

The new Model 500A250A from AR RF Microwave Instrumentation is the first in a planned series of new “A” RF amplifiers. This first model covers 10 kHz to 250 MHZ and provides a minimum of 500 watts swept power when used with an RF sweep generator. A compact, innovative design has created a smaller size and reduced weight as compared to existing products. In fact, Model 500A250A … [Read more...]

New Solid State Amplifier Features an Improved Noise Figure and Compact Design

 

The new Model 500A250A from AR RF Microwave Instrumentation is the first in a planned series of new “A” RF amplifiers. This first model covers 10 kHz to 250 MHZ and provides a minimum of 500 watts swept power when used with an RF sweep generator. A compact, innovative design has created a smaller size and reduced weight as compared to existing products. In fact, Model 500A250A … [Read more...]

MILMEGA to make presentation to South Eastern Michigan EMC chapter

 

USA Sales Manager Tom Mullineaux will be making a presentation to the South Eastern Michigan IEEE EMC Chapter on generating and calibrating 600v/m automotive test fields in an ALSE chamber.Scheduled for March 19th 2009, the presentation looks at possible antenna /amplifier combinations for generating 600 v/m @1m test distance, and looks at field calibration methods that avoid … [Read more...]

Lithium-zinc Ferrite for the Suppression of Electromagnetic Noise

 

Studies show that Li-Zn ferrites can successfully suppress EMI N.C. Joshi, S.S. Islam, Ph.D., Jamia Islamia University Jamia Nagar Anjali Verma, Ph.D., Indian Institute of Technology New Delhi, India Recent technological development has been characterized by an unprecedented proliferation of digital technology in information and communications equipment. The worldwide … [Read more...]

Reverberation Chamber for EMC Testing

 

The reverberation chamber provides the most realistic simulation/equivalency for electronics functioning within a cavity Er-Ping Li, Ph.D.; Xing-Chang Wei, Ph.D., Electromagnetic Labs, Singapore National Institute of High Performance Computing Singapore Introduction The problem is familiar, but growing. The widespread and ever-growing use of electronic devices with high-speed … [Read more...]

$27M for Jamming

 

The U.S. Navy has awarded the Raytheon Company’s Space and Airborne Systems Division a $27 million contract to provide a technology maturation study of next generation jamming capability. The Next Generation Jammer program will support the Navy’s airborne electronic attack requirements against current and future threats. Under terms of the contract Raytheon will use its unique … [Read more...]

Measurement of Intermittent Emissions with a Time-Domain EMI Measurement System

 

With  time-domain EMI measurement, a single scan can test intermittent radiating devices quickly and accurately. Stephan Braun and Peter Russer, Institute for High Frequency Engineering Munich University of Technology Munich, Germany For some time, measurements of electromagnetic interference have been carried out by super-heterodyne receivers operating in the frequency … [Read more...]

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