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AD9788芯片中,设置反sinc滤波器的作用是什么?

HAOLONG 在 2016-12-22 詢問的問題
最後回覆由hpkamen於2016-12-27提供

AD9788芯片中,设置反sinc滤波器的作用是什么?

如下文介绍,参数设定的依据是什么呢?

It is designed to provide
greater than
±0.05 dB pass-band ripple up to a frequency of 0.4 × fDACCLK.

To provide the necessary
peaking at the upper end of the pass band, the inverse sinc filter has an
intrinsic insertion loss of 3.4 dB.

結果