We found this circuit in the April 1978 issue of Radio Electronics magazine. The 2-digit circuit uses common TTL integrated circuits and must be powered by a voltage of 5 V.
The integrated circuit used in this application is not currently common. The circuit is from 80s...
This circuit was obtained in an Electronic Design from the 90s. The circuit uses transistors from the...
This circuit hás a Power output of more than 1 W. It is used in small experimental or low power...