Title:
SKEW DETECTION AND CORRECTION IN TIME-INTERLEAVED ANALOG-TO-DIGITAL CONVERTERS
Document Type and Number:
WIPO Patent Application WO/2017/219463
Kind Code:
A1
Abstract:
A system, circuit, and method for correcting clock skew in time-interleaved analog-to-digital converters. At least two clock signals are received along respective channels(902). A delay of a first channel, carrying a first clock signal, is accounted for by applying one or more first adjustment factors to the channels until an edge of the first clock signal is aligned with a transition point of a reference signal. The first clock signal is swapped to the second channel(904), and vice-versa. A value of the reference signal as sampled by the first clock signal is compared to values of the reference signal as sampled by the second clock signal to determine a skew of the second channel vis-à-vis the first channel(906), and one or more second adjustment factors are applied to the second channel based on the determined skew of the second channel(908).
Inventors:
LACROIX MARC-ANDRE (CA)
WONG HENRY (CA)
TONIETTO DAVIDE (CA)
WONG HENRY (CA)
TONIETTO DAVIDE (CA)
Application Number:
PCT/CN2016/094913
Publication Date:
December 28, 2017
Filing Date:
August 12, 2016
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H03M1/10
Foreign References:
| US7916050B1 | 2011-03-29 | |||
| CN103825612A | 2014-05-28 | |||
| CN105024696A | 2015-11-04 | |||
| US20100060496A1 | 2010-03-11 | |||
| US20050190089A1 | 2005-09-01 | |||
| CN104467842A | 2015-03-25 |
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