The polarization curves of copper physical development (CuPD) system were obtained by transient constant current step method on copper plated platinum electrode.
本文采用镀铜铂电极和暂态恒电流阶跃的方法测得了铜物显（铜物理显影）体系的极化曲线。
Thus, each transistor of the current mirror (100) defines a step of the digital to analog conversion circuit, and the ratio between adjacent steps is substantially constant.
因此，电流镜(100)的每个晶体管限定数字模拟转换电路的步，相邻步之间的比率实质上是常数。
The A8698 is a constant off-time current mode step-down regulator with a wide input voltage range.
A 8698是带宽输入电压范围的恒定停机时间电流模式降压稳压器。
When designing the step motor drive circuit of 5 phase 10 pat, 89c2051 is adopted as the Loop allotter. The VMOS is adopted in power elements. It is designed as chopper-type constant current circuit.
设计五相十拍步进电动机驱动电路时选择了89c 2051作为环形分配器，而功率器件选用电压型的VMOS管。
When designing the step motor drive circuit of 5 phase 10 pat, 89c2051 is adopted as the Loop allotter. The VMOS is adopted in power elements. It is designed as chopper-type constant current circuit.
设计五相十拍步进电动机驱动电路时选择了89c 2051作为环形分配器，而功率器件选用电压型的VMOS管。
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