The PA222 integrated circuit used in this project from an American 1967 documentation is not common today. The circuit can deliver higher power with lower fidelity.
This circuit was obtained from Everyday Electronics magazine of August 1974. The circuit is still...
The integrated circuit in this application is from the 80's, not being common nowadays. It...
The advantages of using Schmitt Inverters (74108) or Schmitt NAND gates (4093) in oscillators lie...