This circuit uses uncommon Texas Instruments components today. The circuit is from an American documentation. Transistors are commonly used PNP. The display is 7 segment multiplexed.
This circuit was found in an American documentation from 1975. The components of the time can no...
With the values of the components indicated, the circuit generates a 1 kHz signal. The power...
This circuit that appears in similar versions on this site was found in a Popular Electronics from the...