The circuit shown is a constant current source which allows the reading of resistors on a very low resistance scale. The circuit measures 0 to 10 ohm and 0 to 1 ohm on two scales. The transistor supports equivalent.
The circuit shown is a constant current source which allows the reading of resistors on a very low resistance scale. The circuit measures 0 to 10 ohm and 0 to 1 ohm on two scales. The transistor supports equivalent.