As this edition of the eNews was being prepared for delivery, the auction of open spectrum by Industry Canada had completed round 85 and had amassed bids in excess of C$3.8 billion. Most telecom industry analysts expected the bidding to conclude within a few days to a week. Among the top bidders were Rogers Communications with bids over C$803; TELUS Communications with bids … [Read more...]
New York State Company Offers Military-Approved QPL Inductors
Gowanda Electronics, of Gowanda, N.Y., has introduced a military-approved RF inductor series which is on the military’s Qualified Product List per MIL-PRF-83446. Gowanda’s MLRF3013 series addresses a need in the marketplace for enhanced RF inductor options in military applications. The MLRF3013 series is designed for RF electronic applications in military, aerospace and defense … [Read more...]
FCC Pushes Back Deadline for Spectrum Swap to Solve Interference Problem
The Federal Communications Commission (FCC) has extended the deadline for wireless telecom Sprint-Nextel Corporation to complete the spectrum swap intended to solve interference problems with public safety agencies that use the 800-MHz band. The effort to relocate Nextel and public safety signals so as to eliminate the persistent interference problems has been bogged down by … [Read more...]
Filter Series Is Optimized for DC Applications
The FMEB and the FMEC line of filters from Schurter, Inc. have been optimized especially for use in DC applications, especially those requiring increased attenuation of asymmetric disturbances. These devices have a current rating of 30 amps at 80 VDC and are offered in single and dual polarity output circuits. The single polarity FMEB has been crafted for a maximum operating … [Read more...]
WiFi Antennas Crafted for Reduced Interference and Flexible Coverage
The new WiMAX 2.5-GHz antenna from Andrew Corporation is a 65-degree, azimuth beamwidth, dual-polarized base station antenna that provides 18 dBi of gain and up to 10 degrees of electrical downtilt. Specifically, this antenna features Andrew’s proprietary Teletilt® variable electrical downtilt design—a feature that allow remote, temporary adjustment of the antenna to deal with … [Read more...]
Optic Rotary Encoder Targets Applications in MRI Units and Other Extreme EM Environments
The TD5207 from Micronor, a non-metallic fiber optic rotary encoder, has been designed especially for use in motion control systems operating in extreme electromagnetic fields. Medical diagnostic and research applications include MRI (magnetic research imaging) or NMR (nuclear magnetic resonance) tomography imaging systems. The encoder also serves as the control feedback … [Read more...]
A Discussion on the FCC SAR Test Guidance Documents for Laptops and Handsets with Multiple Transmitters
The FCC will address exactly what TCBs can review for SAR and simultaneous transmitters in future updates to the TCB exclusion list. David A. Case, Cisco Richfield, Ohio, USA For those involved with product approval for Federal Communications Commission (FCC) certification, the use of the Telecommunication Certified Body (TCB) for approval helps speed the process for product … [Read more...]
UK Telecom Regulator Ofcom Announces Outcome of Radio Spectrum Auction
British telecom regulator Ofcom has announced the outcome of its fifth auction of radio spectrum. The auction was for spectrum in the 1452- to 1492-MHz band, known as the L-band. This part of the spectrum is well suited for offering services such as mobile television, wireless broadband, and satellite radio. One notable winning bidder was Qualcomm UK Spectrum Ltd, which paid … [Read more...]
DARPA Seeks to Use EM Waves to Extinguish Fires
DARPA, the Pentagon’s Defense Advanced Research Project Agency, has announced a new research program into “Instant Fire Suppression.” The agency noted that “Fire especially in enclosed military environments such as ship holds, air craft cockpits, and ground vehicles, continues to be a major cause of material destruction and loss of warfighter life. Essentially, there have been … [Read more...]
Overview of Standards Organizations
The IEEE Standards Organization has posted an informative overview of the world’s standards development organizations including the International Electrotechnical Commission (IEC), the International Organization for Standardization (IOS), the ISO/IEC Joint Technical Committee 1 (ISO/IEC JTC 1), the International Telecommunication Union (ITU), the International Telecommunication … [Read more...]
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