其特征是不要外接偏置电压源，而由一个特殊隔离变换器将输入逻辑信号变换为能快速开通或关断IGBT模块的驱动电力。
Its feature is that the input logical signal is converted to drive power by a special isolated converter, which makes a IGBT module turn on or off quickly, without any other biased voltage sources.
重点分析介绍研究了GPS天线到接收模块GPS信号输入端之间射频传输线的阻抗匹配问题。
I have studied the impedance-matching of RF transmission line between the antenna and the GPS module.
超声波测距模块实现16路测距信号的采样输入。
The ultrasonic ranging module can process 16 input signals simultaneously.
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