我用信号发生器施加在3.3v侧的,结果5v测出现了好多奇怪的问题
下图中黄色为输入,绿色为输出
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是什么信号? 信号频率多大? TXBxx系列的电平转换不适合应用于开漏信号的电平转换。
现象确实很奇怪,看波形是是3.3V方波进去,不是PWM信号啊,出来的信号要么一直是高电平,要么是低于3.3V方波是吧?
信号频率为多大?