More about power (1010)

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...

1-07-2004 | The National Semiconductor LMV225 is a linear RF power meter IC in an SMD package. It can be used over the frequency range of 450 MHz to 200...

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

1-07-2004 | Modern electronics is indispensable for every large model railroad system, and it provides a solution to almost every problem. Although read...