大家好,我想设计一个前置放大电路,输入信号为2.5MHz几十mV的正弦波,想将其进行10倍到50倍前级放大,OPA847的最小放大增益应该是是21.6dB,有点不符合我的要求。请问有合适的放大器型号推荐吗,谢谢
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