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Virtual eval ADC specification question

Question asked by TERRY123 on Jun 26, 2018
Latest reply on Jun 26, 2018 by UmeshJ

I have some questions about Virtual-Eval.

This is the Signal specification of AD9208 from Virtual-EVAL

Input : 900MHz(-9dBFS), Clock rate : 3GHz

SNR : 50.7dB SINAD : 50.67dB

But, in the datasheet as below.






in the datasheet, SNR, SINAD are almost 60dBFS.


1. Why does it have difference between Virtual-EVAL & datasheet?

2. Which one is more believable??

3. Maximum(Best) spec of ADC is similar to the result of Virtual-EVAL?