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TI Home » TI E2E Community » Support Forums » Other Analog & Touch » Imaging » Imaging AFEs Forum » TSW1250/AFE8085 Related
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TSW1250/AFE8085 Related

TSW1250/AFE8085 Related

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ar jithesh
Posted by ar jithesh
on Oct 29 2011 07:32 AM
Intellectual690 points

Hi,

I'm using AFE8085 and TSW1250 boards for my project. Before i can initiate my project i have 1 doubt. If i'm supplying a 20mVpp sinusoidal signal in any of the channel in AFE5805 and capture the deserialized format in TSW1250 GUI will the same signal (20mVpp sinewave) will be reproduced in the GUI screen.

Thanks & Regards

JITHESH-AR

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  • Xiaochen (Sean)Xu
    Posted by Xiaochen (Sean)Xu
    on Oct 29 2011 09:48 AM
    Intellectual1260 points

    AFE5805 is a VGA. it is 20dB LNA+-46dB ATT+20~30dB PGA>

    thus the min gain is -6dB. the max gain is 50 dB. so it is possible you supply 20mVPp and get 10mVpp out.  please read the datasheet plots of Gain vs Vcntl.  

     

    THanks!

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  • ar jithesh
    Posted by ar jithesh
    on Nov 03 2011 01:47 AM
    Intellectual690 points

    Is there any minimum limit in frequency that can be applied to AFE5805???..

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