Elektor Team (9517)

1-07-1988 | EE JULY/AUGUST 1988 Here is a simple "who"s the first" circuit that can be used in quiz games with up to eight participants or groups of par...

1-07-1988 | It is never advisable to leave a car"s headlights on for long periods when the engine is not running. Yet, especially during the winter mont...

1-07-1988 | This simple multivibrator circuit is remarkable for its high efficiency and ability to drive relatively heavy loads. The circuit supplies a...

1-07-1988 | This low-cost circuit enables turning room lights on and off simply by touching a round metal sensor. The light is turned on by briefly touc...

1-07-1988 | 03 PRINTER SHARING BOX This simple circuit makes it possible to connect two computers to a single printer. Toggle switch Sz selects the rel-...

1-07-1988 | OMA-2500 is a 1 kW time standard trans- mitter on 2500 kHz. The station is located in Liblice, Czechoslovakia, and is operated by the Astron...

1-07-1988 | PROGRAMMABLE SWITCHING SEQUENCE The proposed control circuit is shown in the diagram as containing two relays, but this number may be increa...

1-07-1988 | A burst generator is indispensable for testing the dynamic response of loudspeakers, and, in some cases, AF amplifiers. The fact that a numb...

1-07-1988 | EE JULY/AUGUST 1988 The Commodore Amiga is claimed to be a computer with plenty of facilities for extension circuits. The model 500, for ins...

1-07-1988 | An increasing number of electronic components, and in particular inte- grated circuits, is now only available as surface-mount devices (SMDs...