在使用OPA作为跨组运放时,选择了隔离电阻RISO,测试电子学噪声时,会出现自激振荡,通过更改隔离电阻的阻值,并不会消除振荡峰。目前想要实现带宽100MHz,高增益平衡零拍探测器,不知道如何修改。请指教
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