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Interference Technology

For EMI / EMC Engineers

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Antennas

National Weather Alerts Block Maritime Distress Calls

 

Government agencies are scrambling to find a solution for ongoing interference that could prevent a maritime vessel in distress from calling for help. Weather alerts from the National Oceanic and Atmospheric Administration are bleeding into the maritime search-and-rescue channel used by the U.S. Coast Guard, disrupting and possibly blocking distress calls from maritime … [Read more...]

Armored Coaxial Test Cables Withstand Harsh Environments

 

Microwave and RF component supplier Fairview Microwave has introduced a new line of armored coaxial test cables designed to withstand punishing environments such as production line testing and continual in-the-field use. The new armored cables from Fairview are available in several standard lengths from 24 to 60 inches with either SMA or N-Type connectors, which are … [Read more...]

Tiny Millimeter Antenna Array Could Boost Mobile Networks

 

A new prototype chip-based antenna array that can be installed into a cellular base station smaller than a shoebox could use ultrahigh frequencies to supercharge future wireless networks, reports the MIT Technology Review. Developed by Intel, the technology builds upon research completed last year by Samsung and scientists from New York University. Reportedly capable of … [Read more...]

Ultra-Broadband Compact Omnidirectional Antenna Covers 680 MHz to 6 GHz

 

Aaronia, a provider of EMC test and measurement products, has released the ultra-broadband OmniLOG 70600 compact omnidirectional antenna. Covering a frequency range of 680 MHz to 6 GHz and reaching very high gain up to 6.5 dBi, the new Omni LOG 70600 antenna is compatible with a variety of spectrum analyzer brands, including the SPECTRAN handheld spectrum analyzers. In … [Read more...]

Rugged Gigahertz Probe for RF and Power Integrity Testing

 

PacketMicro has expanded its HSProbeTM product family for printed-circuit board testing with a 12-GHz probe. Equipped with rugged BeCu probe tips, the new 12-GHz probe is ideal for RF and power-integrity testing that requires direct probing on top of circuit components or test pads on an uneven surface. "Constant shrinking size of circuit components makes soldering … [Read more...]

RF MEMS Technology May Increase Antenna Efficiency

 

A technology often used in satellite and defense applications may drastically improve smartphone performance in the near future by increasing antenna efficiency, according to new research from scientists at the University of California San Diego School of Engineering. Antennas in many modern smartphones do not function optimally in 3G and 4G/LTE wireless environments, say the … [Read more...]

Graphene Nanoantennas May Enable Tiny Networks

 

Scientists have released new theoretical research that suggests tiny nanoscale antennas made from graphene could overcome the limits of similar antennas fabricated from traditional metal components to enable highly efficient networks of nanomachines. Graphene, a material comprised of a hexagonal structure of carbon atoms, is capable of generating a type of “electronic surface … [Read more...]

Hybrid Microwave Coupler Covers 1.0 GHz To 4.0 GHz In Compact Package

 

Krytar, Inc., a manufacturer of ultra-broadband microwave components and test equipment, has released a new 90-degree hybrid coupler designed to perform a variety of functions, including splitting and combining signals in amplifiers, switching circuits, and antenna beam-forming networks used in a wide range of commercial and military applications. Measuring 3.16 inches (L) x … [Read more...]

|∆N SASAC | > 4dB, and What’s Next?

 

Note: This article has been translated from Polish to English. It can be found in its original language in the 2014 Europe EMC Guide. Jan Sroka, Professor, Warsaw University of Technology, Warsaw, Poland ABSTRACT The term "site attenuation" is used in the theory of electromagnetic fields as extension of the term "attenuation," which is well known in circuit theory. The site … [Read more...]

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