In the figure we have the way to obtain an adjustable constant current source of 2 mA. The transistors can be BC548 and BC558. The circuit is from a 1991 documentation. Other current ranges can be programmed by changing component values.
In the figure we have the way to obtain an adjustable constant current source of 2 mA. The transistors can be BC548 and BC558. The circuit is from a 1991 documentation. Other current ranges can be programmed by changing component values.
