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1.发明授权Electronic device and method for analog to digital conversion according to delta-sigma modulation using double sampling 有权根据采用双采样的Δ-Σ调制进行模数转换的电子装置和方法公开(公告)号：US08624767B2
公开(公告)日：2014-01-07
申请号：US13603179
申请日：2012-09-04
IPC分类号： H03M3/00
摘要： The modulator comprises a first and second integration stages, and a comparator, the first integration stage is fully differential having: an amplifier, sets of input sampling capacitors and feedback capacitors, and the first integration stage is configured to sample the analog input voltage on a set of input capacitors during a first portion of a clock cycle and on a set of input capacitors during a second portion of the clock cycle and to sample the feedback reference voltage on a set of feedback capacitors during the first portion of the clock cycle and on a set of feedback capacitors during the second portion of the clock cycle, and the first set of feedback capacitors and the second set of feedback capacitors are randomly selected out of the plurality of sets of feedback capacitors from cycle to cycle.
摘要翻译： 调制器包括第一和第二积分级和比较器，第一积分级是完全差分的，其具有：放大器，输入采样电容器组和反馈电容器组，并且第一积分级被配置为在模拟输入电压 在时钟周期的第一部分期间的一组输入电容器和在时钟周期的第二部分期间的一组输入电容器，并且在时钟周期的第一部分期间在一组反馈电容器上对反馈参考电压进行采样， 在时钟周期的第二部分期间的一组反馈电容器，以及从周期到周期的多组反馈电容器中随机选择第一组反馈电容器和第二组反馈电容器。
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2.发明申请ELECTRONIC DEVICE AND METHOD FOR ANALOG TO DIGITAL CONVERSION ACCORDING TO DELTA-SIGMA MODULATION USING DOUBLE SAMPLING 有权电子装置和方法，用于使用双重采样对数字转换进行三角形调制公开(公告)号：US20130278454A1
公开(公告)日：2013-10-24
申请号：US13603179
申请日：2012-09-04
IPC分类号： H03M3/02
摘要： The modulator comprises a first and second integration stages, and a comparator, the first integration stage is fully differential having: an amplifier, sets of input sampling capacitors and feedback capacitors, and the first integration stage is configured to sample the analog input voltage on a set of input capacitors during a first portion of a clock cycle and on a set of input capacitors during a second portion of the clock cycle and to sample the feedback reference voltage on a set of feedback capacitors during the first portion of the clock cycle and on a set of feedback capacitors during the second portion of the clock cycle, and the first set of feedback capacitors and the second set of feedback capacitors are randomly selected out of the plurality of sets of feedback capacitors from cycle to cycle.
摘要翻译： 调制器包括第一和第二积分级和比较器，第一积分级是完全差分的，其具有：放大器，输入采样电容器组和反馈电容器组，并且第一积分级被配置为在模拟输入电压 在时钟周期的第一部分期间的一组输入电容器和在时钟周期的第二部分期间的一组输入电容器，并且在时钟周期的第一部分期间在一组反馈电容器上对反馈参考电压进行采样， 在时钟周期的第二部分期间的一组反馈电容器，以及从周期到周期的多组反馈电容器中随机选择第一组反馈电容器和第二组反馈电容器。
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