This circuit was obtained in a Motorola documentation from 1968. The circuit uses a power transistor of the time. Modern equivalents according to the load current and voltage can be used.
This circuit consists of a simplified Hartley oscillator that changes the frequency according to...
This circuit activates the horn if the door is opened with the headlights on. The circuit is for...
This linear characteristic circuit is based on a junction field effect transistor. The FI and BFO...