此图的vref是直流电平还是交流电平
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此图的vref是直流电平还是交流电平
如果vin输入交流信号,此电路图如何实现自动增益控制的呢,请给予详细分析,不胜感激
感觉你这仪表运放输入是不是差分输入啊,有待进一步了解。