More about power supplies (359)

1-12-2004 | More and more equipment is sold that runs off internal rechargeable batteries. Although a matching charger is usually supplied in the packag...

1-10-2004 | As already mentioned in the previous parts of this article, this final amp needs more than just a heavy-duty symmetrical power supply. In th...

1-07-2004 | Inexpensive miniature transformers normally provide one or two secondary voltages, which is sufficient for generating a set of positive and...

1-05-2004 | Small switch-mode power supplies are often available at a low price from jumble sales, electronics surplus outlets and high street electroni...

1-03-2003 | This compact stabilised power supply was specifically designed to obtain the best performance from the recently described subwoofer that for...

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...

1-03-2002 | 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...

1-01-2002 | 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...

1-12-2001 | This circuit shows one way to generate both positive and negative output voltages using a step-down switching regulator. The Micrel (www.mic...