Elektor Team (9517)

1-07-1978 | Using almost any operational amplifier it is possible to build a simple and reliable squarewave oscillator. The design is free from...

1-07-1978 | The popular 723 IC regulator has an. on-chip reference voltage with a fairly low temperature coefficient. By using a simple gimmick th...

1-07-1978 | The novel feature of this lamp dimmer is that the circuit is totally solid-state and uses no mechanical switches nor potentiometers. T...

1-07-1978 | When working with microprocessors hexadecimal notation is frequently used to enter and read out data. Hexadecimal digits can be decod...

1-07-1978 | This circuit can be used with tape recorders which have an audio-visual (AV) socket for synchronisation of a slide show with a recorde...

1-07-1978 | This simple circuit can be used as a party trick which should completely flummox anyone who has little knowledge of electronics

1-07-1978 | This simple circuit can be used as a party trick which should completely flummox anyone who has little knowledge of electronics

1-07-1978 | The steady fall in the price of LEDs now makes it an economic pro- position to construct an X-Y display using a LED matrix. Two UAA I...

1-07-1978 | Redifon Telecommunications have just released a complete new range of versatile communications receivers designed to fulfil all oper...

1-07-1978 | Microprocessors and memories make th·eir mark on communications