Motor Control Circuit of LM339


Posted on Feb 6, 2014

The above picture is the motor control circuit composed of LM339 etc.When the input control signal is high PWL,comparator A and A3 make power amplifier conduct composed of A4,VT5 and VT6 and it drives motor M.At the same time,comparator also outputs and removes the armature current integral capacitance C1 reset.The armature current monitors the current e..


Motor Control Circuit of LM339
Click here to download the full size of the above Circuit.




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