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我必须设计具有这些特殊要求的视频放大器,请向我推荐电路。输入范围为 1 mV 至 10 mV,负载为 75 Ω 阻抗,频率高达 5 MHz。电源电压限制为 5 VDC 或更低。需要跨带宽的最高平均电压增益和最高输出功率