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Other Parts Discussed in Thread: TL084, OPA2140
如果系统增益较高，而且环路带宽有要求。建议你仔细设计第一级放大器，用TL084显然不能满足要求，失调电压也偏高。建议第一级采用OPA2211或者OPA2140.
不可能做到，即使你用其中三个来自己搭建仪表，那样会更复杂，难以控制。
交大的吧，哈哈哈哈，话说我是遇到失真了，楼主做的怎么样啊
你好，
输入mv的噪声信号频率大概多少
