Elektor Team (9534)

1-07-1998 | The circuit of the Celsius thermometer in the diagram is based on the well-known Type LM334 from National Semiconductor. This IC is a se...

1-07-1998 | When the SDA (Serial DAta) lines on both the left and right lines are 1, the circuit is quiescent and optoisolators IC1 and IC2 are not...

1-07-1998 | This circuit allows one or several mains-operated apparatus (‘slaves’) to be automatically switched on when a ‘master’ apparatus is swit...

1-07-1998 | This circuit shows how far integration can be taken: IC1, a Type HT82207 from Holtek does virtually everything. Only a (small) loudspeak...

1-07-1998 | The LM4830, whose internal circuit is shown in this article, is an integrated solution for twoway audio amplification. It contains a bri...

1-07-1998 | National Semiconductor has been producing and designing ICs for use in switch-mode power supplies for many years. The application of the...

1-07-1998 | A National Semiconductor Application switching power supply whose output voltage is appreciably lower than its input voltage has an int...

1-07-1998 | Used with care, this circuit can provide a small degree of stimulation for muscles. Two electrodes are fixed on the skin covering the mu...

1-07-1998 | Electronic equipment is increasingly becoming smaller, lighter, and more functional, thanks to the push of technological advancements a...

1-07-1998 | Electrostatic discharge (ESD) can threaten an electronic system when someone replaces a cable or even touches an I/O port. Discharges...