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APPARATUS, METHOD AND SYSTEM FOR CANCELLING AN INPUT-REFERRED OFFSET IN A PIPELINE ADC
APPARATUS, METHOD AND SYSTEM FOR CANCELLING AN INPUT-REFERRED OFFSET IN A PIPELINE ADC
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机译:用于消除管道ADC中的输入参考偏移的装置,方法和系统
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摘要
An apparatus, method and system for offset compensation in a pipeline analog-to-digital converter. A group of capacitors includes one or more sampling capacitors and one or more feedback capacitors, wherein an input to the pipeline analog-to-digital converter circuit is connected to group of capacitors. An amplifier includes a non-inverting input terminal connected to a ground and an inverting input connected to the group of capacitors. The sampling and feedback capacitors are both partitioned in the same ratio to form partitioned capacitors such that a smaller of the partitioned capacitors is employed for offset compensation with respect to the pipeline analog-to-digital converter.
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