您好,
正如之前被回答,中频信号在进行ADC采样之前会通过一个低通滤波器,https://e2echina.ti.com/support/sensors/f/sensors-forum/236975/awr2243boost
请问这个低通滤波器的截止频率是多少呢?是否这个截止频率的值是和ADC采样率所挂钩呢?
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您好,
正如之前被回答,中频信号在进行ADC采样之前会通过一个低通滤波器,https://e2echina.ti.com/support/sensors/f/sensors-forum/236975/awr2243boost
请问这个低通滤波器的截止频率是多少呢?是否这个截止频率的值是和ADC采样率所挂钩呢?
截止频率大概35MHz,请参考下面帖子关于LPF说明。
https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/919550/awr2243-adc-and-analog-lpf-details