This circuit is from 1985 documentation. The integrated circuit is not very common today, but modifications can be made leading to a project with current integrated circuits.
Found in a Popular Electronics of the 90s this configuration can be seen elsewhere on our site....
This circuit for receiving or transmitting low power was found in old American documentation. It is...
This power supply can be implemented with a TIP32 providing an adjustable output at the 2k2...