More about power (1013)

1-01-2005 | Little-known but still highly interestingThe topology of the Cuk converter was first published in the 1980s, but it is rarely encountered in...

1-01-2005 | PC power supplies can often be bought cheaply at places such as computer fairs. But it isn’t that easy to check if such a (second hand) powe...

1-01-2005 | Designing a power supply for one of your circuits can beplain sailing but also turn out to be a surprisingly complex job.Switch-mode power s...

1-01-2005 | Mains (or ‘power-line’) signalling has matured from the early stages of the single 130-kHz carrier with simple modulation for a primitive 1-...

1-12-2004 | The well-known LM386 is an excellent choice for many designs requiring a small audio power amplifier (1-watt) in a single chip. However, the...

1-12-2004 | This unit, in combination with the USB/I2C interface described elsewhere in this issue, may be used to switch four mains-powered devices on...

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 | This is a simple NiCd battery charger powered by solar cells. A solar cell panel or an array of solar cells can charge a battery at more tha...

1-07-2004 | The 32-kHz low-power clock oscillator offers numerous advantages over conventional oscillator circuits based on a CMOS inverter. Such invert...