More about power (1013)

1-12-2002 | Portable radios, CD-players and cassette recorders that can also be operated from mains power often do not have a mains power switch, but in...

1-12-2002 | In order to monitor multiple power supply voltages it is possible to use one comparator per voltage, coupled with some logic to combine the...

1-12-2002 | This circuit represents a general-purpose automatic shut-off switch. The author uses it in his car to ensure that any lamp left on by accide...

1-12-2002 | The LT1970 from Linear Technology (www.linear-tech.com/pdf/1970f.pdf) is a power opamp with adjustable current limit, available in a 20 pin...

1-12-2002 | Some time ago, the author built a copy of the IGBT Power Amp, a final amplifier design described in the June 1995 issue of Elektor Electroni...

1-03-2002 | Some designs, because of lack of space or for some other reason, do not use a power supply transformer. Instead, an ‘AC voltage dropper’ in...

1-02-2002 | Only a few years ago, many music lovers turned up their noses on seeing a hybrid circuit or integrated circuit in a final amplifier, but now...

1-02-2002 | An adjustable load resistance is indispensable for the realistic testing of power output stages. This circuit provides an electronic alterna...

1-01-2002 | The digital benchtop power supply is controlled by a microcontroller programmed in PIC BASIC, while a Visual BASIC program is responsible fo...

1-12-2001 | The construction of the Digital PSU requires extra care and precision. Just like the electronics inside, the mechanical construction and ove...