Electrical/Electronics

Vibration Damping Circuit Card Assembly

NASA’s Marshall Space Flight Center has developed a particle impact damper (NASA damper) that can be used in circuit card assemblies to reduce vibrations encountered during space vehicle launch. The damper, filled with high-density metallic beads, is attached to printed circuit boards (PCBs) and printed wiring assemblies (PWAs) to dissipate vibrations and improve component reliability and robustness. Testing has demonstrated an order-of-magnitude reduction in observed peak vibration response, and dramatic improvement in circuit component life span. The NASA technology provides simple and inexpensive vibration reduction for sensitive heritage or commercial off-the-shelf (COTS) electronics in applications where the vibration environment is either severe or exceeding its original design envelope. The technology can benefit heritage hardware in a wide range of applications as a retrofitted upgrade, or can be incorporated into the design of new circuit cards.

Posted in: Briefs, Electronics & Computers, Dampers and shock absorbers, Computer software and hardware, Vibration, Launch vehicles
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Development of a Metallic Bilayer Liftoff Mask

A large variety of cryogenic detectors need to be fabricated on thin dielectric membranes in order to have high signal-to-noise attributes. Unfortunately, many of the etching processes used to define the detectors can roughen or even completely dissolve the membranes. These types of membrane damage degrade the detector performance and limit fabrication yield.

Posted in: Briefs, Electronics & Computers, Sensors and actuators, Product development, Coatings, colorants, and finishes, Copper, Corrosion, Materials properties, Titanium
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How to Manage Heat in Modular, COTS Enclosures

As components shrink, embedded systems have made their way into smaller and more mobile applications. Systems need to withstand more intense vibration, shock and EMI parameters and still function effectively. All of this affects the ruggedization of enclosures.

Posted in: White Papers, Defense, Electronics, Manufacturing & Prototyping
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High Reliability Crystal Oscillators

Saelig Company, Inc. (Fairport, NY) has announced two new ranges of military specification crystal oscillators, designed for use in applications that demand high reliability. Available in industry standard dual-in-line packages, the new EQXO-1000BMK and EQXO-3000BMK clock oscillators feature a custom-designed quartz crystal and a CMOS/TTL compatible hybrid circuit mounted on a ceramic substrate. The frequency range available is from 200kHz to 200MHz, with a calibration tolerance of ±30ppm at 25°C and a frequency tolerance of ±100 to ±50ppm over the full military temperature range from -55 to +125°C (±100 to ±30ppm over industrial temperature range from -40 to +85°C).

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Posted in: Products, Electronics & Computers
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Fanless Embedded Computers

ADLINK Technology (San Jose, CA) released its new Matrix MXE-5500 Series of fanless embedded computers, featuring 6th generation Intel® Core™ i7/i5/i3 processors, and delivering rich I/O, and easy device access, all in a compact package. The MXE-5500 Series sustains reliable performance at -20°C to 70°C (Extended Temperature Option), shock up to 100G, and vibration up to 5 Grms. ADLINK’s MXE-5500 Series offers single-side access I/O featuring 2x DisplayPort + DVI-I, 4x GbE, 6x COM, 4x USB 3.0+4x USB 2.0, and 8x isolated DI/O. Storage options are also extremely flexible with 2x 2.5“ hot-swappable SATA III, 1x M.2 2280, and 1x CFast w/ RAID support.

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Posted in: Products, Electronics & Computers
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RF Connectors

Design engineers can now leverage the utility of a 38999 format high-speed RF connector in harsh environment applications, following PA&E's (Wenatchee, WA) release of its new hermetic 38999 BMA (Blind Mate Attach) RF connector line. These new high-performance BMA connectors are available in laser-weld or jam-nut configurations with 1, 2, 4, 6 or 8 contacts. Six key-way patterns and 11-80, 17-75, 21-48, 21-75, 23-06 and 25-08 shell sizes are also available. All formats provide RF performance of ≤1 db insertion loss at 18 GHz and have a hermetic leak rate of ≤1x10-9 cc He@1 ATM.

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Posted in: Products, Electronics & Computers
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OpenVPX, VME/CPCI Shelf Managers

Pixus Technologies (Waterloo, Ontario) now offers shelf managers that comply to VITA 46.11 for shelf management of OpenVPX systems.  There are also configurations for use in legacy VME/64x and CompactPCI systems. The Pixus SHM200 shelf manager is IPMI 2.0 compliant and is available in various size formats. The unit offers temperature monitoring of at least 6 temp sensors, monitoring of 12 fans, and 8 voltage monitors.  The SHM200 also has fan PWM control and up to 16 digital inputs and outputs. The standard panel interface on the SHM200 includes RS-232, Ethernet, and indicator LEDs. 

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Posted in: Products, Electronics & Computers
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Keysight Technologies Engineering Education and Research Resources DVD 2016

Keysight is enabling the next generation of engineers to tackle and solve the toughest electronic design and test challenges. With 200 new items in areas relating to education and research (Software Design & Simulation Solutions; Communications Technology; Test & Measurement Science; Nanotechnology & Material Measurement; Power, Energy & Automotive; and Classroom Applications), it includes application notes, white papers, case studies, videos, webcasts, and details on various Keysight solutions. Order your DVD today!

 

 

Posted in: White Papers, Electronics & Computers, RF & Microwave Electronics, Test & Measurement
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Qormino™ - Complex Embedded Design Made Quick, Easy, and Enduring

Qormino™ is an ultra-compact, 64-bit multi-core, NXP QorIQ™ processor based module integrating DDR SDRAMs for high performance, communication intensive applications. Designed to aid fast time to market, it solves the thorny problem of premature product obsolescence. Thankfully, Qormino is supplied from e2v’s SLiM™ expert inventory management program, offering prolonged supply up to 15 years. Embedded designs based on Qormino are guaranteed an extended time-in-market.

Posted in: White Papers, Aerospace, Defense, Electronics & Computers
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Safety in SoCs

Accelerating the Road to ISO 26262 Certification With Processor IP

Today’s system-on-chip (SoC) designs are becoming more complex, increasing the pressure on verification and design teams to deliver fully functional designs. Recent studies have shown that over 50% of the development time on a complex IC is now being spent on verification, revealing the severity of the problem project teams are facing. As more SoC designs are used in electronic systems deployed in safety-critical applications, adhering to functional safety standards such as ISO 26262 has become an important consideration when defining the verification methodology. This white paper outlines the key requirements for ISO 26262 certification and demonstrates how to accelerate the development of safety-critical IP and SoCs through the use of out-of-the-box safety-ready IP with advanced verification qualification tools and methodologies.

Posted in: White Papers, Electronics & Computers, Electronics & Computers, Software
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