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I found Vcclaser = 4.98, Vccopamp = 12v vinverting = 0,08V, vnoninverting = 1.2V, vgate = 11.70V. but the same situation is if I force vnoninverting to 0V

I have a question for those who know me help: this circuit should adjust the current on the load as a function of the reference voltage applied to the noninverting input of the operational amplifier and the inverting input should be a feedback for control of the current ... well: Why in my...