| This circuit is another variant of the switch described elsewhere in this issue. Its function is to switch off an audio system if there has...
More about Switch (454)
| It is often said that there is no better protection against burglars than a good watchdog. Well, that may be, although we have our dou...
| In audio engineering there is often a requirement for a filter that either passes or blocks certain frequencies or frequency ranges. This re...
| This competition entry describes a microcontroller driven switching clock (housekeeper) with a 2x16- character LC Display, input keys and tw...
| Most drainage pumps are fitted with a level swttch that provides a hysteresis of 1O~15 cm. When small volumes are drained, the liquid run...
| The circuit presented is intended primarily to limit the switch-on current drawn by lamps and other mains-operated appliances. This curre...
| Linear Technology's LT1260 is a tripIe amplifier based on current feedback, and especially designed for RGB video applications. Each ampl...
| Most of the new, fast current-feedback op amps have an enable input via which it is possible to switch the device on and off. Because of...
| The charger is designed to charge NiCd batteries with capacities of 150-4000 mAh. A potential 5 V higher than the nominal voltage of the...
| A voltage comparator is a device that monitors whether an input potential is below or above a certain level. Depending on the manner in...