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https://e2e.ti.com/support/microcontrollers/msp-low-power-microcontrollers-group/msp430/f/msp-low-power-microcontroller-forum/998440/msp430fr6047-sampling-frequency-for-1mhz-sensor
你好！
我使用1MHz 传感器、因此我设置采样频率3600kHz。
我想知道为什么我应该被设置为3600kHz、而不是4000kHz。
您好、Nakyoung、
如果传感器具有3MHz 谐波、 则在以4MSPS 采样时、这些谐波可以折返至1MHz 信号。 在3600kHz 下采样会导致这些谐波以较低的频率折返。
BR、 Leo
