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请问贵公司有没有做信号源的IC集成芯片，我想用来正弦型号和方波信号发生器。谢谢
AIC3254,PCM3070等芯片可以做音频的正弦波信号发生器。限制是高频只能到192KHz，SNR100dB，THD大概0.01%。 如果精度要求更高，可外挂PCM1704或PCM1792等，SNR和THD都很小。
方波可直接用单片机产生。
