In the figure we show how to use common diodes to get a reference near 3 V in a car gearbox. The transistor must be heat sink mounted. With different number of diodes or even zeners other output voltages can be obtained.
In the figure we show how to use common diodes to get a reference near 3 V in a car gearbox. The transistor must be heat sink mounted. With different number of diodes or even zeners other output voltages can be obtained.