This circuit was found in an American documentation from 1968. The circuit uses transistors from that time. The output currents are shown in the diagram.
This constant current circuit was found in the October 1993 Electronics Now magazine. The current can...
This circuit is from a 1972 Motorola publication. The used transistor can still be found, but it...
The output current for this source depends on the voltage applied to the input. The operational...