要相识思维规律电平的内部实质意义,起主要懂患上以下几个观点的寄义:1:输入高电平(Vih):包管思维规律门的输入为高电日常平凡所容许的最小输入高电平,当输入电平高于Vih时,则以为输入电平为高电平2:输入低电平(Vil...
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输入高电平电压 High Level Input Voltage ; VIH
输入高电平电流 HIGH Level Input Current
输入高电平电压最小值 IHMIN
输入高电平电流最大值 IHMAX
如果输入信号电平超过可编程阈值,粗调阈值上限指示器就会变为高电平。
If the input signal level exceeds the programmable threshold, the coarse upper threshold indicator goes high.
单片机通过测量输入脉冲的高电平时间及周期而实现占空比测量。
The time of high level and the cycle for input pulse was measured with micro-controller to calculate duty cycles.
该接收器还支持开路、短路和终止(100)输入故障安全,在所有故障安全条件下,接收器输出为高电平。它采用易于进行PCB布局的直通式设计。
The receiver also supports open, shorted and terminated (100) input fail-safe and receiver output will be HIGH for all fail-safe conditions and it has a flow-through design for easy PCB layout.
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