| 摘要 |
An analog to digital converter for converting an analog input signal to a digital output signal, includes a first converter having a filter unit for producing at least one filter output signal by filtering the difference between the analog input signal and a feedback signal generated from a first digital output, a quantizer for producing the first digital output by quantizing the weighted sum of a first filter output from the filter unit and the analog input signal, a second converter for producing a second digital output by converting a second filter output from the filter unit, and a digital combiner for combining the first output digital signal and the second output digital signal into the digital output signal.
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