STEM 250-12 and 125-14 Bandwidth

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guillegil
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Joined: Mon Nov 12, 2018 6:22 pm

STEM 250-12 and 125-14 Bandwidth

Post by guillegil » Mon May 23, 2022 7:38 pm

Hi,

I've seen that the 125-14 and 250-12 boards have the same bandwidth despite of they have different sampling frequency.

Looking at the Product Comparison Table, the 125-14 board have 125 MSPS and the 250-12 have 250 MSPS while having the same bandwidth. There is any reason to be like that? Is there any error?

Thank you in advance.
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redpitaya
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Joined: Wed Mar 26, 2014 7:04 pm

Re: STEM 250-12 and 125-14 Bandwidth

Post by redpitaya » Wed Jun 01, 2022 9:44 am

We can confirm that there is no error in the mentioned portion of the documentation.
The bandwidth limitation comes from the front end filter that is needed. You can find more details in the SIGNALlab schematics here:
https://redpitaya.readthedocs.io/en/lat ... 2/top.html
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