AnsweredAssumed Answered

AD9963 work abnormal when the operation temperature is -40℃ and 75℃

Question asked by yangfenyan on Dec 13, 2017
Latest reply on Dec 16, 2017 by yangfenyan

I am doing the Temperature Environmental test . The AD9963 works abnormal when the temperature below -36℃.  And the SNR became worse .it's Q channel signal disappear , Q became a constant level。 When the temperature above 70℃, the I channel signal disappear., become a constant level, 

i use the external clock as the sample clock. it works well under room temperature.

 

can you help me to fix this problem?

 

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