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求推荐解调芯片



调制信号频率为300Hz-5KHz,载波频率为250MHz-300MHz,想要把调制信号从包络中解调出来,有什么推荐的芯片吗?

没错,就是2017年电子设计竞赛F题的中间  AM解调部分  需要用到的芯片。