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The Many Factors to Consider When Specifying Thermal Circuit Breakers for Equipment
Thermal circuit breakers for equipment (CBE) protect motors and transformers against
electrical overloading. The trip release of a breaker takes place with the deflection of a bimetal.
This deflection is in turn dependent on heat caused by the level of current flowing through the
bimetal. The typical time-current characteristic of a thermal circuit breaker is a result of the
thermal delay of the bimetal....more |
Exotic properties of quantum magnets attract physicists
Researchers work to understand the exotic magnetic properties of high-temperature superconductors, which are strongly influenced by their quantum nature...more |
Oscilloscope deep memory brings host of benefits
For a given amount of time capture, a deep memory scope enables a higher sample rate...more |
Shortening the enclosure design process
Electronic systems and enclosures must often meet new and stringent regulations that may affect their acceptance in various markets....more |
Future challenges for thermal interface materials
Power required to drive a one-billion-transistor microprocessor in 2010 will be 600 watts. The thermal management of such a device will require a superhuman effort....more |
Heater enclosure benefits from re-engineered switch
Modified version of existing switch uses existing switch envelope and is made a drop-in replacement by modifying the mold and rerouting lamp leads...more | 
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SiGe-based scope delivers 6GHz bandwidth, 20GS/s sampling rate
Four-channel real-time digital storage oscilloscope (DSO) uses second-generation silicon-germanium (SiGe) semiconductor technology for raw front-end performance...more | 
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Changing power requirements for backlighting LCD modules
Inverters for multiple tube flat-panel displays will provide efficiencies in the 90% range, direct connection to the display, low power loss, flicker-free 0% to 100% brightness...more |
Video interconnect technology: VGA, DVI and the future
From the connector and cable link standpoint, work is underway so that the link can support at least 2.5Gbps over standard cable lengths of 2m to 10m...more | 
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Preventing relay meltdown in heavy load conditions
After much research, engineers developed an LCP (liquid crystalline polyester) enclosure that has a short term melting temperature of 220C...more |
Speed controller uses fiber optic backlight panel to improve display
Backlight is single Lumitex fiber optic panel with a light source of 3 green LEDs running at 60mA, compared to 144 LEDs running at 500mA or 0.5 amps in the original display...more |
TTI, Kemet team for SMT aluminum polymer capacitor launch
Capacitor manufacturer KEMET Corp., and electronics distributor TTI Inc., are teaming up to launch KEMET's AO-CAP aluminum polymer SMT capacitor...more | 
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SML extends resonator blanks expertise into range of leading-edge lapping-polishing machines
One of the most important operations in the production of quartz piezoelectric resonators is the preparation of the wafers or blanks from which the finished resonators will be manufactured...more |
Dc-dc converter interconnect system is compatible with SMT
Interconnect system combines the inherent flexibility of component power designs with the manufacturing efficiency of surface mount assembly...more | 
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Variable power, fixed temperature irons avoid hidden hand soldering costs
Modern rework requirements, driven by demands for smaller, faster and cheaper products have created the need for innovative materials and tools, including newly designed soldering systems...more |
Borrowed pcb prototyping system solves major test problems
Circuit board plotter originally purchased for making engineering prototypes is yielding big dividends in the test department...more |
Convoluted-fin heat sinks: the thin-fin advantage
Thin fins (or fin thicknesses less than 0.040") provide the minimum thermal resistance for 96% of cases....more |
Chassis monitoring simplifies system development
To effectively support reliability and safety, you must not only know status of system devices, but also their total environment...more |
Making the most of large scope memories for acquiring data
Portable oscilloscopes now have 25,000 or more points per input, making it much easier to pick out the exact signal you want. ...more |
Embedding high-precision, traceable time from GPS
GPS delivers timing accuracy of better than 100 nanoseconds and 24 hour availability essential for mission critical applications....more |
Kit cuts time-to-market using Motorola flash MCU
Evaluation kit doubles as target system so designers don't have to develop their own....more |
Graphical software deploys T&M smarts over Internet
National Instruments LabVIEW 6i software development platform for measurement and automation is Internet-ready...more |
Coax cable, connectors speed up wireless installation
In mobile, cellular, microwave and broadcast applications, Eupen corrugated copper cable (EC3) from Delco Wire & Cable provides better electrical performance, durability....more |
HDL-based software targets CPLD designer productivity
Modular, web delivered tools form a customizable and integrated design environment....more |
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