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各位大佬们，我现在需要一款宽带差分输入单端输出运放，带宽需要500M左右，输入差不多10-30mv，增益40db左右，运放一定要可以连接成差分输入单端输出的模式，看了仪表放大器，带宽都不是很够。用于人体通信的，所以一定要差分输入，希望各位大佬不吝赐教。
