This 1967 Electronics World circuit is suitable for frequencies up to 1 MHz. The setting applies to virtually any junction FET.
In fact, this dimmer can be used with currents up to 1.5 A according to the General Electric...
This circuit can use any general purpose NPN transistor and the accuracy depends on the tolerance of...
This simple transistorized radio for the medium wave range "extracts energy from the earth" using a...