More about power (1010)

1-07-1998 | One of the drawbacks of a threepin voltage regulator is that the input voltage needs to be 2.5–3 V higher than the output voltage. This...

1-05-1998 | In this article we answered the letters of our readers.

1-03-1998 | The variable power supply described in this article is the latest in a long line of power units published in this magazine over the past...

1-02-1998 | We have reason to believe that this is a unique and novel circuit. It measures ambient light intensity by means of the serial port on your...

1-01-1998 | We can only answer questions or remarks of general interest to our readers, concerning projects not older than two years and published in E...

1-01-1998 | Although the electricity supply will rarely fail in most of the UK, unexpected power cuts lasting several hours are not uncommon in ma...

1-01-1998 | This article describes an electronic version of an age-old tool for games of chance: the die. It is, however, not cubical, but the numb...

1-12-1997 | In the testing of circuits, there is sometimes a need for the supply voltage to be switched on at a gjven time or in steps.

1-12-1997 | The signal from the amplifier is applied to the sensor via R10. Its level is limited by diodes D2-D5.

1-11-1997 | The magnification of very weak audio-frequency signals is and remains a precarious affair. That is why a microphone amplifier good en...