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Telecoms ♦ news digest


The digital beam-forming technology demonstrated recent advancements made in broad band electronically steerable antenna arrays. The technology developed for the mid band and high band PAs displayed high technical maturity and performance of state-of- the-art gallium nitride semiconductors, as well as the packaging and cooling required for a future NGJ array transmitter.


“Our receiver exciter expertise, coupled with these recent successes, enables a low-risk transition to an integrated operational system,” said Bob Ferrante, vice president and general manager of the Exelis Electronic Systems’ airborne electronic attack business. “Our technology efforts are highly focused to ensure we address the evolving NGJ requirements.”


The NGJ will help ensure that U.S. forces have complete dominance of the electronic spectrum, providing a comprehensive capability to disrupt and disable enemy communications and radars. Exelis, teamed with Boeing, leads one of four industry teams in competition to develop the final NGJ system.


The NGJ program, valued at more than $2 billion, will replace the current inventory of aging ALQ-99 jamming pods on the Navy’s newest airborne electronic attack aircraft, the Boeing EA-18G Growler. The Next Generation Jammer pod will also be a stepping stone to electronic attack capability on other advanced platforms.


RFaxis granted four patents for mobile connectivity


The firm’s RFeIC architecture can be implemented in gallium arsenide-based HBT, indium phosphide-based HEMT and silicon germanium-based BiCMOS technologies


RFaxis has been awarded four patents for its revolutionary single-chip, single-die RF Front- end Integrated Circuit (RFeIC) architecture.


These are the fundamental patents among the company’s substantial intellectual property (IP) portfolio which consists of more than 30 patents that have been filed to-date.


The patents are “Radio Frequency Transceiver Front End Circuit with Matching Circuit Voltage Divider,” “Multi Mode Radio Frequency Transceiver Front End Circuit,” “Multi Mode Radio Frequency Transceiver Front End Circuit with Inter-Stage Matching Circuit,” and “Multi Mode Radio Frequency Transceiver Front End Circuit with Inter-Stage Power Divider.”


“Our single-chip, single-die RFeIC architecture is process and materials agnostic, and can be implemented in all semiconductor technologies such as Gallium Arsenide-based HBT, Indium Phosphide-based HEMT, Silicon Germanium- based BiCMOS or pure bulk CMOS,” commented Oleksandr Gorbachov, CTO of RFaxis.


“We developed and productised our first- generation RFeICs including the RFX2401 for ZigBee and RFX2402 for WLAN using BiCOS process in 2009. We have since successfully migrated these products to standard bulk CMOS process and are now shipping our second-generation, backwards-compatible products including RFX2401C and RFX2402C. We are in the process of launching several new pure CMOS-based RFeICs that serve major wireless protocols including WLAN 802.11a/b/ g/n/ac, Bluetooth, ZigBee/ISM, and markets such as Smart Meters, Wireless Audio/Video and Home Automation, among others.”


“These four fundamental patents provide full protection for our main architecture,” said Mike Neshat, chairman and CEO of RFaxis. “Our disruptive RFeIC technology is now fully patented. We expect to have more patents granted in the coming weeks and months. Combining these patented architectures along with our in-house design methodologies and trade secrets, RFaxis is truly leading the way of ‘Bridging the RF Gap’ for the exponentially- growing wireless industry, as initially envisioned


January / February 2012 www.compoundsemiconductor.net 101


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