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22 天
最强干货!一文带你了解PWM技术
PWM是一种技术手段,PWM波是在这种技术手段控制下的脉冲波,如果你不理解是把握不住PWM波的! 如下图所示,这种比喻很形象也很恰当,希望对学习 ...
21ic
28 天
详解PWM死区的意义
[导读]电路中出现的死区是指输入电压在一定范围内时输出电压不变的现象。例如,在脉冲宽度调制(PWM)电路中,当输入信号的幅值超过某一阈值时,开关管就会打开,输出信号的幅值就会随之增加。但是,当输入信号幅值降至某一范围内时,输出信号的幅值保持 ...
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