请教,如下的应用中,Vref=GND,根据输出Vo=(Vi2 - Vi1)xG; 由此公式,提出问题:输入信号Vi2是否是一定要保持大于Vi1呢?
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请教,如下的应用中,Vref=GND,根据输出Vo=(Vi2 - Vi1)xG; 由此公式,提出问题:输入信号Vi2是否是一定要保持大于Vi1呢?