I have a question about AD6655 and need your help. What is the decimating rate of decimating HB filter in AD6655? Is it tunable or fix value?
Thanks so much!
The half band filter in the AD6655 is a decimate by 2. It is not 'tunable' per se, but it can be set to high pass or low pass mode. Tuning of the input signal in frequency is accomplished via the NCO.
have you considered the AD6649? it was the next gen to our AD6655 and has a tunable NCO.
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