This circuit was found in a 1967 Delco Radio documentation. The circuit has an input voltage of 250 V and the load current is 2 A. The transistors used are from that time.
Found in a General Electric documentation from 1970, this circuit consists of a relaxation...
Poptronics recommends this circuit for use in the car when the headlights are left on. The circuit...
Of course, other frequencies can be generated by changing the components. The circuit generates a...