Elektor Team (9533)

1-07-1983 | 103 universal AFC This AFC is suitable for frequencies up 100 MHz and for use in frequency generators, waveform generators and all sorts of...

1-07-1983 | elektorjuly /august 1983 104 key bleep There are many situations where an audible indication for a button pressed would be very useful. Two...

1-07-1983 | 105 12 V 180 watt DC/AC 57 Ti T2 nC converter This is a portable converter and is intended for use with a 12 V lead- acid battery. Whether i...

1-07-1983 | elektor july/august 1983 L resistance comparator This multimeter accessory is not just a bleeper; in spite of its sim- plicity. The circuit...

1-07-1983 | 2 constant light source In many occupations it is important that the light incidence at a certain location remains as nearly constant as pos...

1-07-1983 | 3 thermometer A common or garden diode like the 1N4148 is in principle an excellent sensor for a reasonably accurate electronic thermometer...

1-07-1983 | n microprocessor "stethoscope" It is often necessary to see exactly what logic activity is occurring on the address, data or control busses...

1-07-1983 | 5 symmetrical harmonic oscillator The remarkable thing about this oscillator is not that it operates on the third overtone of a crystal nor...

1-07-1983 | elektor july/august 1983 stepped- voltage generator This circuit converts an input signal into one that is composed of a num- ber of discret...

1-07-1983 | 7 power backup for CMOS ICs during mains power failures Even very brief mains power failures cause problems forelectronic circuits. Stored d...