Power supply voltage selection switch can be used as a supply voltage 110v and 220v.
电源的供电电压可使用转换开关选择110v和220v作为供电电压。
Bad effect from high voltage was analysed. The attention problems of voltage selection were put forward.
分析了电压值过高带来的不良后果，指出了选择整流设备电压应注意的问题。
For PWM current control, the maximum output current is determined by the users selection of a reference voltage and sensing resistor.
对于PWM电流控制，最大输出电流是由用户选择参考电压和感应电阻决定。
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