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Electronics Enclosures

Intermas US, Alpharetta, GA, offers cabinets, housings, sub-racks, and accessories for 19" rack systems and small form factors used in PCI, VME/VME64x, cPCI, IEEE, and communication applications with EMI- and RFI-shielded protection. InterShell aluminum housing enclosures are composed of a top and bottom, two front panels, and four screws, and are used for the packaging of small electronic units such as Eurocard formats with 100 × 160 mm, universal formats, or as mITX formats.

Posted in: Products, Electronics & Computers, Manufacturing & Prototyping

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Smart Graphics Displays

The OMEGA® OM-SGD Series panel meters from OMEGA Engineering, Stamford, CT, are bright color TFT smart graphics displays available in three screen sizes. They offer an operating power supply voltage range of 4 to 30 Vdc and two alarm outputs. Waterproof NEMA 6 (IP67) versions are also available. Customized colors, text labels, input scaling, and units can be specified before uploading the selected display configuration to the meter via USB interface to the PC.

Posted in: Products, Electronics & Computers, Manufacturing & Prototyping

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Digital Storage Oscilloscope

The Global Specialties DSC-5300 digital storage oscilloscope from Global Specialties, Yorba Linda, CA, is a portable benchtop instrument used for making measurements of signals and waveforms. The oscilloscope offers two channels with a bandwidth of up to 50 MHz. With a real-time sampling rate of up to 500 MSa/s and 32 kpts of deep memory, it provides analysis on a 7" color LCD display. Users can save or load to and from the scope using 10 internal locations for waveforms and 20 locations for scope settings.

Posted in: Products, Electronics & Computers, Manufacturing & Prototyping

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Coin Cell Batteries

llinois Capacitor, a subsidiary of Cornell Dubilier Electronics, Lincolnwood, IL, offers RJD Series lithium-ion coin cell batteries that feature encapsulation technology that increases storage capacity by completely utilizing the space within the cell case. The batteries are available in eight capacity levels, leaded or with conventional flat terminals. Each is rated at 3.7VDC. Operating temperature range is -20 to +60 °C.

Posted in: Products, Batteries, Manufacturing & Prototyping

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Method of Forming Textured Silicon Substrate by Maskless Cryogenic Etching

NASA’s Jet Propulsion Laboratory has developed an advanced energy-storage device to accommodate portable devices, minimize emissions from automobiles, and enable more challenging space missions. The use of silicon for the anode of lithium ion (Li-ion) batteries is attractive because silicon has the highest theoretical charge capacity of any material when used as an anode in a Li-ion battery. Conventional silicon anodes undergo large-volume expansions and contractions with the absorption and desorption of Li-ions, however, and this results in pulverization of the anode after several charge and discharge cycles. JPL’s innovative Li-ion battery anodes are made of micro-textured silicon, which is able to accommodate the stress of expansion and contraction during the charging cycle. These robust silicon anodes make high-capacity, rapid-charge-rate Li-ion batteries practical.

Posted in: Briefs, Power Management

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An Apparatus and Method for Communication Over Power Lines

NASA’s Glenn Research Center is offering a sensor and actuator networking innovation applicable to smart vehicle or component control. This innovation requires no additional connectivity beyond the wiring providing power. This results in lower system weight, increased ease and flexibility for system modifications and retrofits, and improved reliability and robustness. The technology was specifically designed for harsh, high-heat environments, but has applications in multiple arenas. The device is compatible with most communication protocols.

Posted in: Briefs, Electronics & Computers

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A High-Efficiency Power Module

Innovators at NASA’s Glenn Research Center have developed a microwave power module to power radar, communications, and/or navigation interchangeably. This high-efficiency, all-solid-state microwave power module (MPM) is based on a multi-stage distributed-amplifier design, which is capable of very wideband operation. This MPM is extremely durable and can last a decade or longer. Already more compact and lightweight than conventional designs, Glenn’s patented technique offers further size reduction by eliminating the need for either a traveling-wave tube amplifier or its accompanying kV-class electronic power conditioner. The performance of this MPM is exceptional, with much higher cut-off frequency and maximum frequency of oscillation than metal-semiconductor field-effect transistors offer, and the distributed amplifier’s wide bandwidth also results in much faster pulse rise times. Finally, Glenn’s design allows the module to operate in both pulsed and continuous wave modes, so it can single-handedly drive exceptional performance for radar, navigation, and communications.

Posted in: Briefs, Electronics

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