Thread: ADC keeps outputting negative numbers, how?
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Frank
 
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Default ADC keeps outputting negative numbers, how?
I have some digital waveforms, during the idle interval, it's zero, while in
active
mode, some patterns are output. This waveform is send through DAC (TI
DAC290x-EVM) and ADC (Analog AD9218). I am expecting a clean
zeros during the idle interval, however the ADC output are not. How can I
correct this problem?

Thanks in advance.



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