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频率大概在1.5M到2M之间。供电电压不超过15v，最好不需要负电源
亲，这是单位增益积还是实际工作频率？需要多大增益？是否需要差分输入？源和负载的阻抗各多少？
实际工作频率，需要10倍左右的放大，要差分，负载是自己绕的电感
亲；LMH6642应该能满足需要。建议试一下。
为确认所选运放能否满足要求，还需提供输入信号的幅值
