最近在做宽带直流小信号放大器，要求把输入<=5mv的小信号放大到>=10V，，现在已经搞到三点几伏，不知道怎么搞到10V上去，用AD811频率只能到40M（不知道是不是我的设计有问题），所以想问下有没有高频功率放大可以到10V的，，难道一定要用三极管搭一个功放吗
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