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问一下音频单端转差分有单电源供电的方案吗

Other Parts Discussed in Thread: THS4505, THS4504

技术需求如下:

         

       发话输出(平衡,机通到北斗):500mV±15%/150Ω;  这里需要做差分转单端电路;

       线路输出(平衡,北斗到机通):7.8V±15%/600Ω。     这里需要做单端转差分电路;