...发 软硬件开发 关键词: 89C51， 直流电压输出， 直流电压输入 [gap=1082]Key word: 89C51, DC voltage output, DC voltage input ...
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并且使用直流电压输入 Input DC
直流输入电压 DC Input voltage
直流电压检测输入 VBUS
宽直流输入电压范围 wide DC input voltgae range
直流电压采样反馈输入 INV
本文介绍一种新型的直流开关电源，该电源是一种直流电压输入，三种直流电压输出，并能够达到相当高的效率。
A new type of DC switch power which is possessed a DC voltage input and three DC voltage output, and is able to reach higher efficiency has been introduced in this paper.
可编程控制器在高于24V的直流电压等级控制回路中应用时需解决输入模块的电压变换和谐波干扰等问题。
In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.
文章对一种只检测交流输入电压而不需要检测输出直流电压的简化单相pfc变换器进行了理论分析和研究。
It theoretically analyzed and studied a simple DC voltage sensorless single APFC converter by detecting an AC line voltage in the paper.
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