More about power (1013)

28-08-2009 | Russian renewable energy prepares for a bigger slice of the power pie Russia Today As the world’s largest producer of gas, and one of the...

23-07-2009 | As the crisis bites, Romanians seem to have forgotten the heavy labour and unhealthy living conditions that characterised working life under...

1-07-2009 | A good way to minimise energy losses in a charger is to use a switching regulator, and if we use a regulator with a step-up topology then we...

1-07-2009 | In practice, you rarely use more than 1 watt of audio power in a normal living-room environment. The only time most people use more is at a...

1-07-2009 | One way to detect AC power current and generate a reasonably constant voltage independent of the load is to connect a string of diodes wired...

1-07-2009 | Just about every hands-on computer builder knows the problem: you've acquired an extra hard drive or cooling fan but there are no spare...

1-07-2009 | Whether you're talking about a home cinema or a computer system, it's very often the case that the various elements of the system ha...

1-07-2009 | Crystal oscillators for digital circuits are normally built as Pierce oscillators with an inverter. The inverter operates as a linear amplif...

1-07-2009 | This circuit is designed to help minimise the quiescent power consumption of PCs and notebooks, using just our old friend the 555 timer and...

22-06-2009 | As countries work to create a treaty to take over when the Kyoto Protocol's compliance period ends in 2012, the balance of power between ric...