i need a 0-20mA variable current driver that a sawtooth waveform of 250hz and 1hz and a squarewave of 1-100hz can pass. Ranging from 1-10V. I need it cause i have a project or should i say for extra credit to make a dead frog leg kick using the schematic below but apparently it lacks current seeing that it only powered by a LM324.
I know what you guys are thinking why not change the whole circuit instead of putting a current driver right? Well one reason is that the hint/ requirement my teacher gave is that we cannot change the said circuit. And 2nd I have no background or idea on how a current driver works, its a good opportunity to learn. Although Im currently researching for it. so thankz
LoL well i did and got burned with it. My friend that gave that circuit now has the nickname LMspecialist LoL
got any suggestion on NPN X'sistor i could use i found this NZT651 but Im not too sure.