TEKNIK ELEKTRONIKA

Rochester Electronics, the world's largest authorised manufacturer of discontinued semiconductors, specialises in producing  replica semiconductor devices that match the physical features of the original devices layer for layer and pin for pin and are guaranteed to perform exactly as the original. According to the company,  the combination of semiconductor re-creation and continuing manufacturing is a cost-effective and time-saving alternative to system re-design when critical semiconductors are no longer available from the original manufacturer.

 

Even when the design documentation is no longer available from the original manufacturer, Rochester's design engineers can deconstruct and analyse a device, re-design it, and re-engineer it for fabrication with a suitable, mature foundry process. Rochester can also test all circuit parameters with a collection of specially developed tools to analyse device characterisation.

 

Rochester's unique Semiconductor Replication Process (SRP) guarantees that replicated devices perform as effectively as the original semiconductor devices. Rochester has successfully completed 83 semiconductor replication projects in the last 18 months and is currently engaged in more than 30 additional re-creation projects. All devices are re-created with the explicit approval of the original manufacturer.

 

According to the company, re-creation is a much better approach than device emulation, which is sometimes promoted as an alternative with discontinued devices. Although emulated devices may be quoted at lower prices than replica devices, they are not guaranteed to exactly match the features and characteristics of the original devices, and unexpected costs due to failure rates in fabrication and trial-and-error foundry processes may tip the financial scales in the wrong direction.

 

Image: Rochester Electronics

 

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mikroElektronika recently released their BIGdsPIC6 Development System, aimed at users, who wish to develop and design devices using Microchip dsPIC30F devices. The new system supports 64- and 80-pin dsPIC30F microcontrollers. This new release of BIGdsPIC6 features: USB 2.0 programmer with mikroICD and many peripheral modules such as: Piezo Speaker, Serial EEPROM, CAN, FTDI, Touch Screen, Real-Time Clock and etc. Each feature of the board is supported by examples written in mikroC, mikroPascal and mikroBasic PRO for dsPIC30/33 and PIC24 compilers. Also, tool comes with the full color printed documentation.

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In collisions with vehicles, pedestrians typically have far less chances to survive than vehicle occupants. A technology developed by the University of Kassel (Germany) aims at improving the situation by establishing a radio-based warning system.

Available pedestrian detection systems installed in cars typically are based on optical, infrared or radar technologies and hence require a line-of-sight connection between vehicle and pedestrian. Thus, these systems have the disadvantage that they do not detect pedestrians hidden between, say roadside parking vehicles or behind corners.

The technology developed by the Kassel University scientists does away with this problem. The pedestrian is carrying a mobile phone with integrated sensors for movement vectors. Speed and direction of the pedestrian are detected and combined with context and profile data such as age of the person, acceleration and the like. These data are transmitted to any vehicles in a distance of about 70 meters (200 feet). An electronic subsystem in the vehicle

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by William Harwood Font size Print E-mail Share 5 comments
After six years of painstaking observations, astronomers have identified a distant solar system with at least five Neptune-class worlds orbiting within 130 million miles or so of the parent star--closer than Mars is to the sun. Two other planets are believed to be present, including one just 1.4 times as massive as Earth.
The presumed Earth-size planet orbits a scant 2 million miles from its star, completing a full orbit, or "year," every 1.18 days. If confirmed with additional observations, this hellish world would be the smallest yet discovered, additional proof that Earth-size planets are falling within the reach of current Earth-based instruments.


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