3g所采用的语音交换架构仍承袭了2g的「电路交换模式(circuit switch mode),而非采用纯ip体式格局,也因此容易遭到多用户的滋扰,导致传道输送速度没有办法大幅提高。
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mode switch circuit 模式开关线路
The operation mode of the circuit is analyzed and the condition of how to achieve soft switch is discussed, how to design the parameters of the snubber is presented as well.
对电路进行了工作模态分析，对于软开关的实现条件进行了讨论，给出了无源无损软开关环节参数的设计原则。
The intermittent control of wipers is related to the control switch, control relay and its control mode of the wipers operating circuit.
刮水器间歇控制与刮水器控制开关、刮水间歇控制继电器及其在刮水器工作电路中的控制方式有关。
A method of stepping motor driver circuit was given, composed by a chopper type current mode switch regulator and a monolithic stepping motor driver TA8435H.
提出采用斩波式电流型开关电源结合单片式步进电机驱动器TA8435H，构成一种电机驱动电路的方案。
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