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想做一个高频电流源(频率约为500KHz,交流电流源的峰值为20mA以内)。不知道怎么做,想请前辈们指点一下。



想做一个高频电流源(频率约为500KHz,交流电流源的峰值为20mA以内)。不知道怎么做,想请前辈们指点一下。负载范围为50-700欧姆