This circuit that can be activated by light or heat was found in an old American documentation, but the components it uses are perfectly current. The power transistor shall be fitted with a heat sink.
The purpose of this circuit, which we find in an old American documentation, is to allow the...
This low distortion circuit was found in a 1964 Electronic Design. The transistor admits...
This compact power supply can be used on the workbench for up to 1 A load. The transformer has 1 A secondary...