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Request the schematic review with AD9251-80 and ADA4937-1

Hi,

My customer wnats to get your advice about their schematic with AD9251-80 and ADA4937-1.

They used AD9251-65 and ADA4937-1 in their system, but now they will change the sampling frequency of their system.

So they need your help.

The sampling frequency that they want to use is 76MHz and IF is between 47.5MHz and 95MHz.

And their target application is LTE ICS repeater.

Would you confirm their schematic with AD9251-80 and ADA4937-1 ASAP?

Regards,

Se-woong

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  • Hi Se-woong,

    If their original system worked fine, and the only change in the new system is the ADC sample rate, and the analog input frequency is the same between the old system and new system, then we can be confident that the analog input path (including the ADA4937) is still OK.

    Is the input frequency the same in the new system as the old?

    Thanks,

    Doug

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  • Hi Se-woong,

    If their original system worked fine, and the only change in the new system is the ADC sample rate, and the analog input frequency is the same between the old system and new system, then we can be confident that the analog input path (including the ADA4937) is still OK.

    Is the input frequency the same in the new system as the old?

    Thanks,

    Doug

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