Power

Can you trust a low-cost battery?

05 July, 2005 by Isidor Buchmann, Cadex Electronics | Supplied by: Master Instruments Pty Ltd

The battery pack is a mystical black box that does not change size, weight and colour during its lifetime. Neither does it reveal the charge level and state-of-health. And yet, the battery plays a key role in many portable applications


NFA series DC-DC converters

09 June, 2005 | Supplied by: Adilam Technologies

C&D Technologies has added three non-isolated NFA series DC-DC converters to its Volant family of point-of-load devices.


PrOffice 650 uninterruptible power

09 June, 2005 | Supplied by: Upsonic Power Pty Ltd

PrOffice 650 is a 650 VA standby UPS with five Australian three pin socket outlets (three UPS supported and all with surge protection). The 650 UPS also has surge protection for telephone equipment (one in and two out sockets). The unit is supplied with downloadable shutdown software and will support both USB and RS232 communication interfaces.


AEMC PowerPad model 3945 power analyser

12 April, 2005 | Supplied by: OBIAT Holdings Pty Ltd

The AEMC PowerPad model 3945 power analyser from Obiat is a one-, two- or three-phase instrument with a large LCD colour display.


Switchmode voltage converters

03 March, 2005 | Supplied by: Standard Communications Pty Ltd

The GME switchmode voltage converters feature intelligent monitoring circuitry for 'soft-shutdown' to completely avoid short-circuit, overload and wiring fault problems protecting not only the equipment driven, but also the vehicle wiring and systems.


Battery breakthrough puts NZ on the map

05 February, 2005 | Supplied by: http://www.ipenz.org.nz

Two electrochemists at Massey University have come up with a formula that could rock the foundations of the $200 billion global battery market. Keith Newman backgrounds this new 'disruptive technology'


DC UPS battery chargers

17 January, 2005 | Supplied by: http://www.mrutty.com.au/

The PB251 is a family of 13.8V and 27.6V 220W/275W off line DC uninterruptible power supplies (DC UPS).


Monitoring and sequencing supply voltages - Part 2

05 January, 2005 by Joe Chong & Jay Scolio, Maxim Integrated Products | Supplied by: Arrow Electronics Australia Pty Ltd

For most electronic systems, monitoring system voltages with a power-on reset (POR) ensures proper initialisation at power-up


Monitoring and sequencing supply voltages - Part 1

05 December, 2004 by Joe Chong & Jay Scolio, Maxim Integrated Products | Supplied by: Arrow Electronics Australia Pty Ltd

For most electronic systems, monitoring system voltages with a power-on reset (POR) ensures proper initialisation at power-up. Detecting brownout conditions with a POR minimises possible code-execution problems that can corrupt memory


Biothermal battery

04 November, 2004

Biophan Technologies, a US company, has developed the Biothermal battery, based on the use of thermoelectric materials, using nanoscale-based, thin-film materials to convert thermal energy produced naturally by the human body into electrical energy.


Methanol fuel cell

18 October, 2004

Toshiba has announced the prototype of a highly compact direct methanol fuel cell (DMFC) that can be integrated into devices as small as digital audio players and wireless headsets for mobile phones.


Does internal resistance reveal battery capacity?

05 October, 2004 by Isidor Buchmann, CEO, Cadex Electronics* | Supplied by: Master Instruments Pty Ltd

During the last 20 years, three basic battery rapid test methods have emerged. All methods are resistance based, a characteristic that reveals the battery's ability to deliver load current


Power supply load unit

07 September, 2004 | Supplied by: http://www.westek.com.au/

The Motech PPS-120X GSM series dual channel DC source/current sink power supply/loads are suitable for testing mobile phone and other battery operated equipment, especially systems incorporating rechargeable batteries - in this case the device supplies charging power while checking battery drain at the same time.


Electronic Development Sales directional couplers

05 July, 2004 | Supplied by: Electronic Development Sales Pty Ltd

Electronic Development Sales has released a high power, high directivity coupler with good performance over mobile phone bands.


Grant for battery research

14 June, 2004

Perth company Hitec Energy has been offered an Australian Government R&D start grant for a mineral extraction process that produces the key ingredient for alkaline batteries in a more cost-effective way.


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