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Go to Defense Electronics
Board-Level Radios Reach Far At 1.3 GHz
Sep 6, 2011
These compact spread-spectrum radios provide secure and
reliable communications for a host of OEM applications, as well as in UAVs and UGVs where size and weight are critical.
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GaN HEMTs Fortify S-Band Radar Systems
Sep 6, 2011
Mat Dirjish / Components Editor
This collection of packaged discrete transistors and an
integrated circuit build upon GaN semiconductor materials to provide high output-power densities at S-band frequencies.
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Rad-Hard FPGAs Fly Space Missions
Sep 6, 2011
Jack Browne / Technical Contributor
These high-performance field-programmable gate arrays have been qualified for use in hostile space environments with TID capabilities in excess of 1 Mrad. ...
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Parallel Processing Steers VTOL Aircraft
Sep 6, 2011
William Wong / Technology Editor
The use of multicore microprocessor systems
may provide the computing power needed for the multiple-jet VTOL aircraft being planned for future military service.
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Virtual Reality Dome Speeds System Designs
Sep 6, 2011
Jack Browne / Technical Contributor
This three-dimensional visualization laboratory allows designers to show stereoscopic displays of military products in progress, including vehicular
and weapons systems.
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News Shorts - September 2011
Sep 6, 2011
Lockheed Martin’s IRST Achieves Milestone B
The Infrared Search and Track (IRST™) sensor system developed by Lockheed Martin for the US Navy’s F/A-18E/F fighter aircraft has received Milestone B approval, paving the way for the company to proceed into the engineering, manufacturing, and development phase of the program...
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Analyzing Radio Secretiveness
Sep 6, 2011
Zenon Syroka / Researcher
This mathematical analysis helps to determine the type of operating environment in which intended radio signals can be received without interference or interception from a reconnaissance receiver.
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Understanding Passive Beamforming Networks
Sep 6, 2011
Ken Greenwood / Director of Engineering
Passive beamforming networks can be constructed from a number of different high-frequency circuit technologies for precise control of antenna patterns over wide bandwidths.
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Cognitive Radios Connect Smart Battleplace
Sep 6, 2011
Louis E. Frenzel / Technology Editor
The large number of occupied frequencies worldwide has pushed developers to create smarter tactical radios—ones capable of detecting interference and switching frequencies to open bands.
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Contracts - September 2011
Sep 6, 2011
ATK and BAE Team On JATAS
The team of ATK and BAE Systems has been awarded a $109 million contract by the US Navy for the engineering and manufacturing development (EMD) of the Joint and Allied Threat Awareness System (JATAS), a next-generation warning system...
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Defending Future Defense Spending
Sep 6, 2011
Jack Browne / Technical Contributor
Budget cuts always call for some belt-tightening in an organization. But when those budget cuts loom as large as those requested by President Obama, some organizations may simply run out of notches in the belt...
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New Products - September 2011
Sep 6, 2011
Generators Add Avionics Waveforms
The S-Series signal generators have been enhanced with the addition of avionics-specific test waveforms for evaluating key navigation functions....
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Digitizers Capture Signals To 5 GHz
Jun 10, 2011
This duo of PXI digitizers can analyze signals over bandwidths of 3 and 5 GHz, respectively, at sampling rates to 12.5 GSamples/s, with the flexibility of modular instrumentation. ...
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Cryogenic ADCs Arm Broadband Receiver
Jun 10, 2011
The processing speeds possible with superconducting
analog-to-digital converters enable this receiver to capture
signals over broad bandwidths with wide dynamic range. ...
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Coatings, Cases Keep Electronic Gear Safe
Jun 10, 2011
Mat Dirjish, Components Editor
Equipment protection is an important part of maintaining
delicate electronic equipment under even the most hostile operating conditions, and these two companies offer two
different but effective solutions. ...
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News Shorts
Jun 10, 2011
Unmanned-aerial-vehicle (UAV) pioneer TiaLinx (www.tialinx.com) recently announced the launch of their Phoenix50-H multisensor mini-copter. ...
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Managing Mil Tasks With Multicore Processors
Jun 10, 2011
William Wong, Technology Editor
The growing number of low-power microprocessors with multiple cores is providing military designers with numerous options in terms of how the
computer processing is segmented in their systems. ...
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GaN Strengthens Grip On Power
Jun 10, 2011
Gallium nitride (GaN) device technology has moved from a novel alternative to a reliable staple in many military systems, both for switching power supplies and RF power amplifiers....
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New Products
Jun 10, 2011
For difficult-to-reach and mobile installations, the LMR-SW coaxial interconnection consists of low loss, seamless 50-Ω cable with field-installable...
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The Flexible Side Of SDRs
Jun 10, 2011
Jack Browne, Technical Contributor
Technology doesn’t always evolve smoothly. Never has this been more apparent than with the development of the “next generation” tactical radio for the joint services. ...
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Selecting Test Signal Injectors
Jun 10, 2011
Steve Sandler, Managing Director
Charles Hymowitz, Director of Sales and Marketing
Picotest, Inc., e-mail: info@picotest.com, www.picotest.com, (877) 914-PICO, (480) 375-0075.
A number of test signal injectors are used when evaluating the performance of power supplies and other low-frequency components with a network analyzer. ...
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How Receivers Respond To Pulses
Jun 10, 2011
S.J. Caprio, Consultant
Understanding how a receiver will respond to pulsed-modulated carrier signals of arbitrary
frequency can provide insight into its behavior with transient signals. ...
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Powering RF And Microwave Systems
Jun 10, 2011
Steve Sandler, Founder and Chief Engineer
Charles Hymowitz, Managing Director
RF/microwave design engineers faced with developing effective power circuits for a system require more complete data sheets, appropriate computer-aided simulation models, and suitable test equipment. ...
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Considering Lithium Batteries For the Battlefield
Jun 10, 2011
Don Tuite, Analog/Power Editor
Portable power options include a number of
lithium battery chemistries, all of which should be
evaluated in terms of parameters like temperature extremes and environmental ruggedness. ...
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