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Some friends ask me, I know what the opening ring means, but what is the meaning of closed loop? This question you ask the right person, then it is made up by small to talk about it. In particular, the open-loop circuit of a stepper motor d... >>More
A. high voltage drive: This is mainly for the constant voltage driver has some disadvantages, then go in to the further development of technology, then developed new high voltage drive is mainly used to improve the constant voltage to drive... >>More
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