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.
We found this circuit in a 1982 publication, but all the components used are still common in our...
This simple voltage doubler provides a continuous voltage at its output that is twice the peak...
This circuit uses three oscillators to produce a sound similar to a cricket chirping. Two...