Elektor Team (9535)

1-07-1985 | elektor july/august 1985 11g 1111104111041111 If you are one of the many who fre- quently forget to switch off their digital multimeter, thi...

1-07-1985 | E ig mains wiring locator The accompanying circuit shows a 9V simple means of locating current- carrying conductors. The detector coil is a...

1-07-1985 | 7-60 g direct reading digitizer The computer to which this digitizer is coupled reads a 3-digit number that is a direct representation of th...

1-07-1985 | discomixer This mixer is a typical example of the way modern components can, and do, simplify the realization of good quality audio circuits...

1-07-1985 | elektor july/august 1985 There are many ways of protecting loudspeakers against the switch-on "plop": many of these rely on a clamp circuit...

1-07-1985 | The opto-coupler in the normal com- mon emitter circuit at the output of a phototransistor is invariably too slow for use in data communicat...

1-07-1985 | A practically proven small circuit that is very popular with many model fliers, as it enables them to verify that their remote control trans...

1-07-1985 | The active rectifier proposed here is based on the property of an oper- ational amplifier that its output cannot become negative if its powe...

1-07-1985 | This is a much simplified version of the circuit published in the April 1984 issue of E/ektor, but it is, unfortu- nately, not usable with a...

1-07-1985 | 1 854231 max. 50 mV A simple millivoltmeter and an equally simple sine wave generator are ideal instruments for checking and testing audio e...