荷兰旅游需要带转换插头吗,和国内不同吧

2025-03-25 08:01:56
推荐回答(1个)
回答1:

  和国内一样是220v,只是插头都是欧洲通用的那种两个头的圆角插头。需要带个转换器插座,或者直接去当地购买也行。  电压电流转换器是将输入的电压信号转换成电流信号的电路,是电压控制的电流源。  应用  在工业控制和许多传感器的应用电路中,摸拟信号输出时,一般是以电压输出。在以电压方式长距离传输模拟信号时,信号源电阻或传输线路的直流电阻等会引起电压衰减,信号接收端的输入电阻越低,电压衰减越大。为了避免信号在传输过程中的衰减,只有增加信号接收端的输入电阻,但信号接收端输入电阻的增加,使传输线路抗干扰性能降低,易受外界干扰,信号传输不稳定,这样在长距离传输模拟信号时,不能用电压输出方式,而把电压输出转换成电流输出。另外许多常规工业仪表中,以电流方式配接也要求输出端将电压输出转换成电流输出。V/I转换器就是把电压输出信号转换成电流输出信号,有利于信号长距离传输。V/I转换器可由晶体管等多种器件组成。

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