From the chairman’s desk: Q3 in South Africa 11 October 2017, News Warren Muir, chairman of AREI, provides an update on how the local electronics sector is doing, and some of the Association’s latest happenings.
Enabling intelligent energy supply via the smart grid 11 October 2017, EBV Electrolink, Surveillance, Power Electronics / Power Management As the worldwide energy supply model is experiencing a trend towards decentralised supply concepts, smart grids allow the challenges of climate change and liberalised electricity markets to be met.
The importance of test structures for multilayer PCBs 11 October 2017, EDA Technologies, Manufacturing / Production Technology, Hardware & Services As the number of layers in multilayer PCBs grow and the size of features become smaller and denser, the opportunities for a PCB to be built incorrectly grows exponentially.
Traditional bare board PCB ...
Laser soldering for ultrafine parts or high density mounting 11 October 2017, Manufacturing / Production Technology, Hardware & Services Laser soldering is currently gaining attention as a new soldering method. However, as this is a new industrial technique compared to iron tip soldering, the heating principles differ, and it cannot simply ...
Selecting test instrumentation for battery temperature profiling 11 October 2017, Concilium Technologies, Test & Measurement Charge and discharge currents increase the temperature of batteries and temperature directly affects their lifespan and storage capacity. Batteries tend to be efficient and provide a normal life span ...
Effort required to manage ICT e-waste 13 September 2017, Altron Arrow, News Arrow Value Recovery Services specialises in reducing the environmental impact of e-waste by recycling ICT products through lifecycle programmes that recondition and return them to the business ICT stream.
Op-amp balancing resistors are not a given 13 September 2017, Altron Arrow, Analogue, Mixed Signal, LSI Analog Devices’ Harry Holt explains why balancing resistors are not always a given, the way they were in the days of the old 741 op-amp.
Thermocouple signal conditioning challenges and solutions 13 September 2017, Tempe Technologies, Analogue, Mixed Signal, LSI When measuring temperature, the thermocouple is one of the oldest and most widely used components.
Especially useful in applications that require temperature measurements in hostile environments, such ...
Ghana repurposes communications antenna for astronomy 16 August 2017, News The 32 metre converted telecommunications antenna will be integrated into the African VLB Network in preparation for the second phase construction of the Square Kilometre Array.
Bluetooth updated for mesh networking 16 August 2017, News, Telecoms, Datacoms, Wireless, IoT A highly anticipated mesh networking standard has been introduced to the Bluetooth specification by the Bluetooth Special Interest Group (SIG).
LoRa technology explained 16 August 2017, Otto Wireless Solutions, Telecoms, Datacoms, Wireless, IoT The technical manager of Otto Wireless Solutions delves into one of the latest additions to the collection of Internet networking and mobile communication protocols.
Optical calculations for SSL applications 16 August 2017, Opto-Electronics Back-of-the-envelope calculations are useful at the beginning of a project for estimating LED type and count. This article presents techniques for calculating optical quantities and estimating LED count ...
From the chairman’s desk: Manufacturing in South Africa 19 July 2017, News, Telecoms, Datacoms, Wireless, IoT Warren Muir reflects on his attendance at the 2017 Manufacturing Indaba, and how it fits in with arei’s plans for the South African electronics industry.
Training structure the key to successful content 19 July 2017, News The structure and assessment of training programmes are just as important as their content when it comes to up-skilling production staff, explains Bob Willis.
Choosing the right mezzanine module for embedded systems 19 July 2017, Rugged Interconnect Technologies, Computer/Embedded Technology Open architecture embedded systems for military/aerospace applications have always relied on mezzanine or daughter cards to provide flexibility and modularity because they are very effective in handling ...
Cape Town hosts Dynamic Spectrum Alliance global summit 14 June 2017, News The three-day event brought together representatives from five continents and 21 countries around the world, including policy makers, regulators, academia, and public and private sector representatives.
UL presents new smart meter standards 14 June 2017, News Users throughout the supply chain need to be assured of the fact that common, consensus-based standards are being used on both a national and international basis to test and certify all smart meters.
Keeping time to save money in smart meters 14 June 2017, Tempe Technologies, DSP, Micros & Memory Mary Tamar Tan from Microchip Technology explains how a real-time clock and calendar module can reduce component count and cut programming costs in smart meters and other applications.
Implementing the upcoming 71 W PoE standard now 14 June 2017, Altron Arrow, Power Electronics / Power Management With Power over Ethernet (PoE) being a popular and mature technology, it’s no surprise that developers are eager to jump onto the next IEEE bandwagon and start delivering higher levels of power down Ethernet cables.
How the humble op-amp plays a crucial role in medical electronics 17 May 2017, Tempe Technologies, Analogue, Mixed Signal, LSI Vinaya Skanda from Microchip Technology shows the significance of the op-amp in certain applications, such as measuring vital signs on the human body.
