The Next Generation Quarter-Wave Stub Series from NexTek, Inc. are available in many operating bandwidth frequencies, assorted connectors and genders in wideband, .82 - 2.2GHz and narrowband, and variable frequency ranges to 6GHz. These units can accommodate diverse wireless applications. Reverse polarity units are also optional in many of the models. The Quarter-wave Stub … [Read more...]
High RF Power Transmission Lightning Arrestors
Nextek's SurgeGuard K-Series is based on a multiple gas discharge tube design with serviceable replacement elements. The PTR7AF7AFxxK arrestors measure 119mm x 45mm, have 7-16 female to 7-16 female connectors, and can deliver a maximum of 50kW of RF power at a maximum through-current of 25A.The K-Series products can use a range of 1.4kV to 3.5kV gas discharge tubes and have a … [Read more...]
Ultra-Compact Family of Lightning Arrestors for 6GHz Applications
NexTek, Inc., a designer of lightning protection and EMC / power conditioning products and services, announces the expansion of the E-Class Series designed for optimizing RF performance at frequencies up to 6GHz. The E-Class Series sets new surge performance standards to 6GHz, provides bi-directional protection and is also characterized by passing DC without any performance … [Read more...]
Tunable RF Filters for Next-Generation Radio Communications and Radar
Active Spectrum has announced what it touts as a breakthrough in tunable filter technology for co-site interference mitigation in next generation wireless communication systems and radar. According to the announcement, the new miniature tunable filters have the capability for isolating transmit and receive signals, including low insertion loss (1.0dB), high RF power handling … [Read more...]
Buick Regal Engine Microcontroller Sealed Against EMI
A 32-bit embedded processor with three megabytes of integrated flash memory gives the 2011 Buick Regal’s Ecotec 2.0L engine microcontroller the quickest throughput, or processing power, in the automotive industry. The vehicle’s controllers are made to operate reliably up to 260 degrees (127C) and down to -40 degrees (-40C) for the life of the vehicle, and are sealed against … [Read more...]
Are Airport Scanners Safe?
As more attention focuses on nearly-naked airport scanners, scientists are debating the safety of the technology. Two different technologies are at work in the scanners now in use at 68 U.S. airports. Millimeter wave scanners employ radio waves, a low-energy version of how data reaches cellphones and microwave ovens heat food. Such scanners use electromagnetic radiation, not … [Read more...]
Latest Version of IEEE 1641 Available
The latest revision to IEEE 1641™, “IEEE Standard for Signal and Test Definition,” continues the trend of making the standard more rigorous, according to IEEE StandardsWire. IEEE 1641 provides the means to define and describe signals used in testing. It also provides a set of common basic signals, built upon formal mathematical specifications so that signals can be combined to … [Read more...]
MIL-HDBK-235 Revision Approved
The revision of MIL-HDBK-235B has been approved and is currently awaiting publication. The handbook provides information for use in tailoring and supplementing the EME levels specified in MIL-STD-464B. It is applicable to any platform or system that may be exposed to the EME during its life cycle, including ground, ship, aircraft, aerospace and weapons systems and their … [Read more...]
Adhesives Firm Signs Distribution Agreement with 3M in Europe
Ellsworth Adhesives recently announced it is an authorized distributor of 3M products in the UK, Spain and Sweden. 3M is a recognized global leader in adhesives, sealants, tapes, lubricants and surface preparation specialty chemicals as well as dispensing equipment. The comprehensive line of 3M products is available online at both the Ellsworth European web site and the Swedish … [Read more...]
EMI/RFI Shielding Conduits
Electri-Flex Company has released a new catalog featuring the SHIELD-FLEX™ line of EMI/RFI Shielding conduits. SHIELD-FLEX™ represents a line of three shielded conduits, SLA™, EMS™ and EMCS™. This line of conduits is designed to protect sensitive electronic circuits from electromagnetic and radio frequency interference (EMI/RFI) in applications such as communications, radar and … [Read more...]
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