Hello, In my work, i want to use adc to read input volts on telosb per 30ms, 
and output a certain voltage all along without breaking by using of dac.But 
when setting VREFF for both adc and dac, then dac shows discontinuous output, 
that means before dac VREFF reset, the dac output will decrease to zero then 
increase to the set value. So how to keep the output all the time without 
breaking?  Hoping for your help,thanks. --
Xiaowen Sun
 
Information and Automation Engineering. University of Bremen. Germany
Email: [email protected]
Phone: +49 (0)15201416219
 

                                          
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