ammar87

thank you very much that's very helpful

hello my friends i am trying to build a linear analog servo drive for a servo motor and YES it is analog not a PWM for many reasons one of them :is that this drive is a part of control system i am working on and i want to reduce the noise to minimum. so i dig the web and i found several power op amp: like L165,L2720, LM675,LM12 i am kid of confused because all i want is : Class-AB linear power Amplifier with no distortion around zero i am trying to use the power op-amp rather than power transistors to reduce the number of components and the issues related to them . here is the motor specifications: http://www.specamotor.com/en/Faulhaber/motors/2338-006S/datasheet_motor.html i suppose to control the position in bi-direction. the questions: 1-which power op-amp should i use? 2- is there a ready drive that i can buy ? 3-is this circuit correct to control the motor position in bi-direction? any help will be more than appreciated