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SYSTEMS AND METHODS FOR DIGITAL EXCESS LOOP DELAY COMPENSATION IN A CONTINUOUS TIME DELTA SIGMA MODULATOR
SYSTEMS AND METHODS FOR DIGITAL EXCESS LOOP DELAY COMPENSATION IN A CONTINUOUS TIME DELTA SIGMA MODULATOR
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机译:连续时间增量SIGMA调制器中数字超限环路延迟补偿的系统和方法
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摘要
A continuous time delta sigma modulator is disclosed. In one example, the continuous time delta sigma modulator includes: a quantizer, a buffer module, a randomizer, and a reference module. The quantizer includes a comparator that generates a digital output based on a comparison of a reference potential with an input generated based on a sample of an analog signal. The buffer module stores the digital output for a predetermined delay period and outputs the digital output after the predetermined delay period as a delayed digital output. The randomizer randomizes the delayed digital output to generate a randomized digital output. The reference module modifies the reference potential based on the randomized digital output.
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