Constant Current Generator

@kaivanveldhoven

11 years ago

https://everycircuit.com/circuit/5069275070988288

Convenient current reference up to 20mA: I = Vzener/R2 = 6/300 = 20mA R1 = (15-Vzener)/Izener = 9/25 = 360 ohms RLmin = Vsaturation/I = 13.5V/20mA = 675 ohms