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12 BIT A/D WITH GYRO IDG500

Posted by alex sasha on April 28, 2012 at 3:15am

Hi,

i  am  a new  in this  hobby )  and  i  cant  understand  how  calculate  a  gyro a/d  output.

i  am  working  with  UDB4.

gyro parameters :  

Vin= 3.3 volt

sensetivity = 2.0  mv/degree/s

a/d  resolution=  12  bit.

i  calculate  the  output  of  A/D  and  think  that  i get  a mistake.

what is the  right  calculation ?

thanks.

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Replies

  • T3
    William Premerlani April 28, 2012 at 4:06am

    Hi Alex,

    I suggest you repost your question to the UAVDevBoard discussion group.

    Part of the answer to your question is that the software for the UDB4 sets up the A/D to return samples in left justified mode, so you have to treat the A/D data as 16 bit, not 12 bit.

    Best regards,

    Bill Premerlani

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