This circuit has a 2 V full scale using a 4-and-a-half-digit A / D converter. The circuit is powered by a voltage of 9 V. We found this configuration in the 1983 Intersil Databook.
The frequency of TTL square signal is divide by 5 with this circuit. Power supply is 5 V and the...
This interesting circuit was obtained from a Poptronics of February 2001. The American magazine no...
This circuit was found in an English magazine from 1983, but it can be assembled with BC548 for...