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Normalizing error signal in analog-to-digital converter runaway state
Normalizing error signal in analog-to-digital converter runaway state
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机译:在模数转换器失控状态下归一化误差信号
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摘要
In some embodiments, an analog-to-digital converter (ADC) comprises a loop filter configured to produce an error signal based on a difference between an analog input signal and a feedback signal. The ADC also comprises a main comparator set comprising one or more main comparators, the main comparator set configured to digitize the error signal and further configured to drive a main digital-to-analog converter (DAC). The ADC further comprises an auxiliary comparator set comprising a plurality of auxiliary comparators, the auxiliary comparator set configured to digitize the error signal when the ADC is in a runaway state and further configured to drive an auxiliary DAC to bring the error signal into a predetermined range.
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