Archive for 2012

Regulators for powering processor cores

Analog Devices has introduced the ADP2384 4 A and ADP2386 6 A, 20 V DC-to-DC regulators featuring ultra-high conversion efficiency of greater than 95% in a compact 168 mm2 solution size. These regulators offer a wide input-voltage range of 4,5 V to 20 V and an output range from as low as 0,6 V up […]

GPIO expanders reduce bill of materials

NXP Semiconductors has announced a new family of 8-bit and 16-bit GPIO devices featuring “Agile I/O” – an innovative option integrating the most commonly needed functions in embedded systems. The GPIOs expand the two wires of the I2C-bus into eight or 16 general-purpose I/O pins that can interface to keyboards, switches, LEDs, displays, or even […]

President’s Awards

Annette Thompson, EngineerIT; Adrian Schofield receiving his Distinguished Service in ICT award; Rabelani Dagada, president: CSSA, and Moira de la Roche, vice-president CSSA. At the 2012 CSSA Presidents Awards breakfast held at Montecasino, Fourways on 8 November 2012, the following awards were presented: IT Personality of the Year: (presented by CSSA in association with ITWeb, […]

Remote site visuals

H3iSquared’s new Portacam solution enables visuals of a remote site on a temporary basis, or to have a camera system in the middle of nowhere that can be viewed and controlled remotely. The basic Portacam solution consists of up to four IP cameras (static or pan-tilt-zoom) and a control box. Contained within the IP65 (protected […]

Testing procedures for distributed energy resources

by Thomas Schossig, Omicron Decentralised energy resources (DER), especially wind farms, became a challenge for protection, automation and control in the grids. Transmission and distribution system operators require tests for loss of mains and other decoupling protection functions. Download the PDF document

Gadgets4Geeks

Great tablet from Acer with Windows 8 Acer’s Iconia W series tablet PCs with Windows 8, have docking and cradle options available. With Full HD 1920 x 1080 resolution display, and extended battery life, users can work or play, and benefit from the seamless experience of touch and type duality. The Iconia W700 uses fast […]

Industry Alerts

Honorary doctorate for SKA chief Dr. Bernard Lewis (Bernie) Fanaroff, project director of Square Kilometre Array (SKA) South Africa, was awarded the degree Doctor of Engineering (DEng), honoris causa, for his exceptional contribution to the diverse fields of radio astronomy and the developing trade union movement during the 1970s; for his role as respected government […]

AfricaCom

by Hans van de Groenendaal, EngineerIT There was general optimism for telecommunications in Africa at AfricaCom 2012 held in Cape Town in November 2012. Many delegates spoke about how telecoms in Africa is taking off and how broadband is becoming available in many countries. The same cannot be said about South Africa, which once led […]

Sick notes from sangomas

A recent decision by the Labour Appeal Court has been misinterpreted by some as meaning that employers must now unconditionally grant their employees sick leave on the basis of “sick notes” from traditional healers such as sangomas. That is not correct, and it is important for both employers and employees to understand the true current […]

at what cost indeed!

“Renewable, but at what price?” asks Chris Yelland (see Vector November/December 2012 page 3). Indeed! Already we are seeing the cost of renewables added to Eskom’s price for electricity, and even with the modest contribution to the electrons we so desperately need, the cost is high. What is the rationale for chasing after renewables in […]