The driving circuits adopt constant current chopping for the purpose of improving rotating torque and increasing working efficiency of the stepper motor.
驱动电路采用恒流斩波方式，提高了步进电机的运转扭矩和工作效率。
The constant gm of input stage is achieved by two identical maximum current selection circuits.
采用两路结构相同的最大电流选择电路实现输入级总跨导的恒定。
The system includes constant potential circuits, micro-current detection circuit, controller and its peripheral circuits as well as the communications with the PC.
该系统包括恒电位电路、微电流检测电路、控制器及其外围电路以及与上位机的通信。
The operational performance of DC bridge circuits(including constant voltage and constant current) was analyzed.
对直流（包括恒压和恒流）电桥的工作性能进行了分析。
The operational performance of DC bridge circuits(including constant voltage and constant current) was analyzed.
对直流（包括恒压和恒流）电桥的工作性能进行了分析。
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