The integrated circuit used in this application is not currently common. The circuit is from 80s documentation. The power depends on the controlled load.
This simple MW radio was found in a 1975 publication, but it can be mounted with BC548...
The coil and sockets of this circuit found in a QST depend on the frequency band that is intended...
The 4066 is better than the 401 B because the 401 B has a lower internal resistance when the...