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使用TL494,令其根据输入电压的大小调节PWM占空比

Other Parts Discussed in Thread: TL494

我目前在用红外做无线通信,用MIC做音频信号采集放大后,送给TL494。

TL494根据输入电压的大小,调节输出PWM的占空比,再通过后级的RC网络还原信号。

请问有没有什么参考电路什么的?或者说TL494能不能做这个应用