在这里没有使用VCA820,实际上使用的是VCA810,输入信号从左端输入,控制电压通过调节滑动变阻器给出,但控制到-1.35V 左右的时候,就出现自激,肯定是电路问题,望各位在线TI工程师抽出空闲时间帮忙解答下,谢谢
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