Found in an ancient American documentation, this circuit can generate signals up to 40 MHz for a Z80, microcontroller widely used at the time. The circuit must be powered with 5 V and also serves as a shield.
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This circuit was found in a French magazine Toute LÉlectronique from 1978. Transistors are not...
This linear speed control for DC motors up to about 2 A was found in a 1978 publication. The power...