Found in a 90s Electronic Design, this circuit can generate sinusoidal signals from 0.1 Hz to 25 kHz with low distortion using a MA292 from Maxim.
The operational ones used in this circuit are not common today, but the circuit can be implemented with...
This three-digit counter (up to 999) was found in documentation from the 1990s. It uses TTL...
This simple circuit with a 5V regulator was found in an American documentation from the 90's. The...