We found this circuit in an old American documentation, but the circuit can still be assembled with ease as the used components are still available. MOSFETs admit equivalents.
This circuit was found in the April 1993 Electronics Now magazine. With it, it is possible to...
We found this circuit in the February 1983 issue of Radio Electronics magazine. The 4-digit...
This circuit was found in Philips documentation from 1967. The circuit uses components of the...