The main function of the circuit potentiometer

Potentiometer is an adjustable electronic components, potentiometer in the main role in the circuit has the following several aspects:

1. Used as a divider

Potentiometer is a continuous adjustable resistor, when turn to adjust potentiometer handle or sliding handle, slide moving contact on the resistor body. At this point in the output of the potentiometer can be obtained with the potentiometer applied voltage and movable arm Angle or journey into a certain relationship of the output voltage.

2. Used as a rheostat

Potentiometer is used as the rheostat, should take it into two end devices, this flower potentiometer, within the limits of travel to get a smooth continuous changes of the resistance value.

3. Used as a current controller

When the potentiometer used as current controller, one of the selected current output must be sliding contact terminal.