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Interference Technology

For EMI / EMC Engineers

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Antennas

Power Management Integrated Circuits

 

Texas Instruments Incorporated introduced four new SIMPLE SWITCHER® power management integrated circuits for space-constrained point-of-load designs in industrial, communications and automotive applications. The SIMPLE SWITCHER power modules, which expand TI’s portfolio of integrated power solutions, comply with the CISPR 22 Class B radiated and conducted electromagnetic … [Read more...]

Compact 0.5 – 18 GHz Spiral Antenna

 

Q-par Angus Limited is pleased to announce the launch of a new “base-line” compact ultra-wideband 0.5 -18 GHz spiral antenna intended for UWB communications, feeds, radio surveillance and direction finding applications. The 152 mm diameter antenna is Circularly Polarised (CP) with bore-sight axial ratio better than 3 dB above 0.7 GHz.Learn more from Q-par Angus. … [Read more...]

Antenna with Protection for Automotive Applications

 

PREMO’s new family of 1103 standard provides up to 55mV/Apk-pk/m sensitivity, which gives it the best sensitivity by cm3 in the market. The new SDTR1103CAP is an SMD antenna for low frequency 20kHz-150kHz receiver applications. This series offers upper and lateral side protection with co-polyamide polyhexamethylene polymer walls, gamma radiated with high thermal stability … [Read more...]

Antenna Grade Laminates for Printed-Circuit Antennas

 

Rogers Corporation’s new RO4500™ Antenna Grade Laminates are fully compatible with conventional FR-4 and high temperature lead free solder processing. These laminates do not require special treatment needed on traditional PTFE-based laminates for plated through hole preparation. RO4533™ laminates have a dielectric constant of 3.3 @ 2.5 GHz. With low loss ranging from 0.0020 to … [Read more...]

Incorporating Radio Antennas into Clothing

 

Ohio State University researchers are finding ways to incorporate radio antennas directly into clothing, using plastic film and metallic thread.The Ohio State system surrounds the body with several antennas that work together to transmit or receive a signal, no matter which way a person is facing. An integrated computer control device senses body movement and switches between … [Read more...]

Amplifier Product Catalog Now Available on CD

 

AR RF/Microwave Instrumentation has unveiled its latest corporate product catalog, now available in either CD form or as a hard copy catalog. Significant innovations, as well as the company's core products, such as amplifiers, amplifier systems, complete EMC testing solutions, antennas, field probes and more are included. Learn more from AR. … [Read more...]

Multi-tone Testing Can Save Both Time and Money

 

Jason Smith, Manager Applications Engineering; Pat Malloy, Sr., Application Engineer; AR/RF Microwave Instrumentation, Souderton, Pennsylvania, USA Given the huge amount of time required to conduct a radiated immunity test, it is no wonder operators “dream” of ways to improve efficiency to speed up the test. The musings generally go as follows: Can one antenna cover the … [Read more...]

An Integrated Development Environment for Modeling the Radiated Electromagnetic Emissions

 

ABHISHEK RAMANUJAN, ZOUHEIR RIAH, ANNE LOUIS, Research Institute for Embedded Electronic Systems, Saint Etienne du Rouvray, France A cutting-edge electromagnetic emission modeling tool has been presented in this paper. With most of the existing electromagnetic compatibility (EMC) analysis tools, either demanding large computational resources or being available only for expert … [Read more...]

Calibration of Toroidal Current Measurement Probes at High Frequency

 

Alastair R. Ruddle, Ph.D., MIRA Ltd., Nuneaton, UK Toroidal current transducers are widely used in EMC measurements, both for monitoring currents flowing on single cables or cable bundles and for injecting currents onto such cables or cable bundles. The latter forms the basis of a well-established approach to susceptibility testing (bulk current injection) that is used in the … [Read more...]

EMC Testing above 1 GHz: The Deadline Looms

 

When first mandated in the 1990s, the stated objective of the EU’s Directive governing EMC was, in broad terms, that commercial and domestic equipment, and certain industrial systems, should neither cause interference or be susceptible to interference. They should not emit radiated or conducted energy at RF frequencies and they should be immune to such emissions, within … [Read more...]

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