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One of Four channels failed to function

Question asked by hanson on Sep 16, 2012
Latest reply on Sep 17, 2012 by UmeshJ

Hi

 

  We are using AD9253-125, and one channel failed to action. We meausred all what we can, but still no idea how to deal with it.

 

  As the picture 400m_all_channels.jpg shows, channel 2 is low that others at the same DC voltage level. We have measured the voltage one the pins, all four channels are the same, but the results are different.

 

  Besides, others sine waves showed, one data is wrong, but we meausre the pin using high speed oscilloscope and find no clue.

 

   Could you provide any hints for this case ? Thanks so much!

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