Analog-to-digital converter without track-and-hold

Details Analog-to-digital converter without track-and-hold Analog-to-digital converter without track-and-hold

2008-03-04

2008-03-04

Nguyen, Linh V. (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S122000, C341S155000

Reexamination Certificate

active

07339512

ABSTRACT:
A system and method for converting an analog signal to a digital signal is provided. The analog to digital conversion is achieved without a dedicated sample-and-hold circuit. An ADC stage, preferably the front-end stage in the case of a pipeline ADC, samples the input voltage within a quantizer and within a residue generator. The sampling is performed with associated clocking signals and with switch capacitors also fulfilling the comparison with threshold voltages, within the quantizer and the generation of a residue signal within the residue generator.

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Sumanen L., “Pipeline Analog-to Digital Converters for Wide-Band Wireless Communications”, PhD Thesis, Dept. of Electrical and Comm. Eng. Of Helsinki University of Technology, Dec. 13, 2002.

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