More about Power & Energy (206)

1-01-2012 | Measuring the AC powerline frequency is a proxy for determining the match between the supply of and demand for power in the national grid an...

1-10-2011 | Power inverters are used to generate AC powerline voltages like 230 VAC or 115 VAC in the field, using high capacity 12-V or 24-V vehicle ba...

1-04-2010 | This power supply is based on an integrated switching regulator to keep the component count within reasonable limits. The functional units o...

1-01-2010 | Herwe use a green glowing valve as a CPU activity meter. Power and control are both provided by the USB port. A simpler variant on the circu...

1-03-2005 | The High-End Preamp preamplifier published in the April & May 2004 issues naturally calls for a matching final amplifier in an identical hou...

1-07-1994 | This is a no-frills audio power amplifier based on inexpensive transistors. It is short-circuit protected and has a maximum power output...