Featured in this issue:      Customizable Small Form Factor Computers from Acromag  |  Laser Weld Construction For Maximum Reliability  |  Mil/Space-grade Xinger Directional Couplers  |  High-temperature Outgassing-compliant Power Inductors  |  EMI Power Filters and Film Capacitors  |  Actually... It Is Rocket Science  |  20 GHz Airborne High-rel Optical Transceiver  |  Minimize Data Loss in Critical Communication Applications
 
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Looking Forward and Backward to Manage Obsolescence
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Looking Forward and Backward to Manage Obsolescence
 
Component obsolescence is a problem that will likely plague military systems for the foreseeable future, so looking forward to a time when the production lifetimes of critical components will be as long as the service lifetimes of fielded systems is just not realistic. But on whom should the burden of obsolescence management fall? The answer to that is often like the old political saw, "where you stand depends on where you sit." Entities up and down the supply chain often look to others to assume responsibility. In this article at Military Embedded Systems, the author focuses on the system design process and the twin issues of forward and backward compatibility.
 
 
 
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Laser Weld Construction For Maximum Reliability
 
Laser Weld Construction for Maximum Reliability
SOURIAU PA&E
 
Why risk your mission-critical system on a solder joint? At SOURIAU PA&E, we integrate our RF or DC connectors into Ti or Al electronic housings via laser welding for maximum reliability. Laser weld construction also ensures damaged connectors can be easily removed and replaced from a populated package without endangering sensitive electronics. Learn more about how our innovative custom packaging solutions can address your reliability, weight, or heat dissipation challenges.
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Terahertz Chip Enters Guinness Book of World Records
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Terahertz Chip Enters Guinness Book of World Records
 
A three-phase contract issued by the U.S. Defense Advanced Research Projects Agency (DARPA) to Northrop Grumman Corp. Aerospace Systems has resulted in the development of the first-ever monolithic amplifier operating in the terahertz (1000 GHz) range. With gain as high as 10 dB at 1.03 THz, the chip is based on a super-scaled 25 nanometer gate length indium phosphide high electron mobility transistor (HEMT). The chip, which has been awarded a place in the Guinness Book of World Records, is the first step in developing all solid-state terahertz systems for radar, imaging, and reconnaissance, and ultra-high-bandwidth wireless networks.
 
 
 
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High-temperature Outgassing-compliant Power Inductors
 
High-temperature Outgassing-compliant Power Inductors
Coilcraft, Inc.
 
AE619PYA Series power inductors from Coilcraft Critical Products & Services meet all NASA low outgassing specifications. Constructed of high-temp materials for operation in ambient temperatures up to 155° C, they exceed most MIL/aero application requirements. Available with current ratings up to 111 A and DCR as low as 0.50 mOhms.
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EMI Power Filters & Film Capacitors
 
EMI Power Filters and Film Capacitors
API Technologies Corp — Spectrum Control
 
Find the ideal method to filter the AC or DC power entering your system to prevent radiated or conducted EMI with API Technologies' Spectrum Control brand products line of standard power filters and custom power solutions. We differentiate ourselves by offering our customers an integrated approach to EMC problem solving.
 
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Where to Go When VME or ePCI isn't Enough
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Where to Go When VME or ePCI Isn't Enough
 
When it's time to upgrade from a legacy parallel bus systems such as VME and CompactPCI, what is the best path to take? According to this article at cotsjournalonline.com, MicroTCA has the bandwidth and performance for leading-edge embedded applications. In addition, MicroTCA offers robust system management, inter-processor bandwidth, and high-reliability features.
 
 
 
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20 GHz Airborne High-Rel Optical Transceiver
 
20 GHz Airborne High-Rel Optical Transceiver
 

Microwave Photonic Systems, Inc.
 
MIL-810 qualified, high-rel, fiber optic TX and RX available for RF remoting of signals between 500 MHz and 20 GHz. Expanded frequencies available to 32.5 GHz. Integrated TEC, attenuator, and on-board diagnostics support BIT functionality. Contact MPS for details.
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Minimize Data Loss in Critical Communication Applications
 
Minimize Data Loss in Critical Communication Applications
Molex
 
Low loss, high-speed data transfer for aerospace and defense applications can be a tough problem to solve. Molex has the solution: ruggedized backplane cable assemblies. Don't suffer data loss between backplanes or servers and COTS or equivalent MIL-SPEC connectors. View our line and solve your problem.
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Evaluating a Cyclon
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Evaluating a Cyclon
 
The Altera Cyclon V SoC, which integrates the dual-core ARM Cortex-A9 MPCore processor with an FPGA fabric, is a popular choice for high-reliability embedded systems. One of the RTOS suppliers offering a product that runs on the Cyclon V, eSOL, has introduced an evaluation kit for software development on the platform. The kit includes an evaluation board, the multi-core edition of the company's RTOS, integrated with its integrated development environment (IDE), middleware components, and device drivers.
 
 
 
DC-DC Converter for Harsh Environments
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DC-DC Converter for Harsh Environments
 
Long Island-based North Atlantic Industries has introduced a programmable DC-DC converter that plugs into a standard 3U cPCI chassis. The switch-mode supply, available in 75 W and 150 W versions, accepts a DC input range of +15 to +50 Vdc (continuous). The converter is designed to supply clean power to upstream electronics in military and industrial systems operating in harsh environments.
 
 
 
Chip Enables Drones to Learn on the Fly
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Chip Enables Drones to Learn on the Fly
 
To give drones the needed intelligence in the sky, HRL Laboratories' researchers, under the leadership of Narayan Srinivasa, have developed a neuromorphic chip with features similar to a human brain. With 576 silicon neurons on-chip, the prototype can literally do the learning on the fly, while under strict size, weight, and power constraints, says the researcher. The program is funded by the U.S. Defense Advanced Research Projects Agency (DARPA).
 
 
 
Military Needs Robust Li-ion Batteries
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Military Needs Robust Li-ion Batteries
 
Developers are seeking Li-ion battery technologies that go beyond consumer applications in terms of longer operating life, discharge rates, and greater safety. A punctured battery can catch fire immediately — not good for soldier-carried electronics. K2 Energy's proprietary lithium iron phosphate chemistry has no thermal runaway when exposed to oxygen, passing bullet-puncture testing.
 
 
 
Keeping QFN Bottoms Flat
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Keeping QFN Bottoms Flat
 
Tin whiskers can play havoc with circuitry, and aerospace and defense electronics manufacturers often have to remove the tin plating from IC package contacts and have them re-tinned by hot-dipping in solder. For packages like the QFN (leadless quad flatpack), the dipping process can create solder bumps that interfere with proper attachment. ACE Component Services Group now offers a re-tinning service that it claims provides coplanarity of leadless QFNs within 0.003 in. (0.075 mm).

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