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Digital correction of frequency response mismatches in 2-channel time-interleaved ADCs using adaptive I/Q signal processing

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Digital correction of frequency response mismatches in 2-channel time-interleaved ADCs using adaptive I/Q signal processing. / Singh, Simran; Valkama, Mikko; Epp, Michael; Anttila, Lauri; Schlecker, Wolfgang; Ingber, Elmar.

In: Analog Integrated Circuits and Signal Processing, Vol. 82, No. 3, 2015, p. 543-555.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Singh, S, Valkama, M, Epp, M, Anttila, L, Schlecker, W & Ingber, E 2015, 'Digital correction of frequency response mismatches in 2-channel time-interleaved ADCs using adaptive I/Q signal processing', Analog Integrated Circuits and Signal Processing, vol. 82, no. 3, pp. 543-555. https://doi.org/10.1007/s10470-014-0476-9

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Author

Singh, Simran ; Valkama, Mikko ; Epp, Michael ; Anttila, Lauri ; Schlecker, Wolfgang ; Ingber, Elmar. / Digital correction of frequency response mismatches in 2-channel time-interleaved ADCs using adaptive I/Q signal processing. In: Analog Integrated Circuits and Signal Processing. 2015 ; Vol. 82, No. 3. pp. 543-555.

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@article{17ef7d8aebeb411e8d67baa5685da605,
title = "Digital correction of frequency response mismatches in 2-channel time-interleaved ADCs using adaptive I/Q signal processing",
abstract = "A novel adaptive compensation architecture for the frequency response mismatch of 2-channel time-interleaved ADC (TI-ADC) is proposed for developing high-performance self-adaptive systems. The proposed approach overcomes the existing methods in the sense that the TI-ADC mismatch identification can be performed without allocating a region where only the TI-ADC mismatch spurs are present. This is accomplished via mapping the TI-ADC problem into an I/Q mismatch problem which allows deploying complex statistical signal processing. As proof of concept, the compensation architecture is demonstrated and tested on a 16-bit TI-ADC measured hardware data.",
keywords = "Circularity, Complex I/Q signal processing, Digitally assisted analog (DASA), Frequency response mismatch identification, Time-interleaved ADC",
author = "Simran Singh and Mikko Valkama and Michael Epp and Lauri Anttila and Wolfgang Schlecker and Elmar Ingber",
year = "2015",
doi = "10.1007/s10470-014-0476-9",
language = "English",
volume = "82",
pages = "543--555",
journal = "Analog Integrated Circuits and Signal Processing",
issn = "0925-1030",
publisher = "Springer Verlag",
number = "3",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Digital correction of frequency response mismatches in 2-channel time-interleaved ADCs using adaptive I/Q signal processing

AU - Singh, Simran

AU - Valkama, Mikko

AU - Epp, Michael

AU - Anttila, Lauri

AU - Schlecker, Wolfgang

AU - Ingber, Elmar

PY - 2015

Y1 - 2015

N2 - A novel adaptive compensation architecture for the frequency response mismatch of 2-channel time-interleaved ADC (TI-ADC) is proposed for developing high-performance self-adaptive systems. The proposed approach overcomes the existing methods in the sense that the TI-ADC mismatch identification can be performed without allocating a region where only the TI-ADC mismatch spurs are present. This is accomplished via mapping the TI-ADC problem into an I/Q mismatch problem which allows deploying complex statistical signal processing. As proof of concept, the compensation architecture is demonstrated and tested on a 16-bit TI-ADC measured hardware data.

AB - A novel adaptive compensation architecture for the frequency response mismatch of 2-channel time-interleaved ADC (TI-ADC) is proposed for developing high-performance self-adaptive systems. The proposed approach overcomes the existing methods in the sense that the TI-ADC mismatch identification can be performed without allocating a region where only the TI-ADC mismatch spurs are present. This is accomplished via mapping the TI-ADC problem into an I/Q mismatch problem which allows deploying complex statistical signal processing. As proof of concept, the compensation architecture is demonstrated and tested on a 16-bit TI-ADC measured hardware data.

KW - Circularity

KW - Complex I/Q signal processing

KW - Digitally assisted analog (DASA)

KW - Frequency response mismatch identification

KW - Time-interleaved ADC

U2 - 10.1007/s10470-014-0476-9

DO - 10.1007/s10470-014-0476-9

M3 - Article

VL - 82

SP - 543

EP - 555

JO - Analog Integrated Circuits and Signal Processing

JF - Analog Integrated Circuits and Signal Processing

SN - 0925-1030

IS - 3

ER -