Next Article in Journal
Validation of a Numerical Model for the Prediction of the Annoyance Condition at the Operator Station of Construction Machines
Previous Article in Journal
Harmonic Differential Quadrature Analysis of Soft-Core Sandwich Panels under Locally Distributed Loads
Article Menu

Export Article

Open AccessArticle
Appl. Sci. 2016, 6(11), 362; doi:10.3390/app6110362

A Calibration Method for Nonlinear Mismatches in M-Channel Time-Interleaved Analog-to-Digital Converters Based on Hadamard Sequences

College of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China
*
Author to whom correspondence should be addressed.
Academic Editor: Hung-Yu Wang
Received: 2 August 2016 / Revised: 11 November 2016 / Accepted: 14 November 2016 / Published: 18 November 2016
View Full-Text   |   Download PDF [804 KB, uploaded 18 November 2016]   |  

Abstract

The time-interleaved analog-to-digital converter (TIADC) is an architecture used to achieve a high sampling rate and high dynamic performance. However, estimation and compensation methods are required to maintain the dynamic performance of the constituent analog-to-digital converters (ADCs) due to channel mismatches. This paper proposes a blind adaptive method to calibrate the nonlinear mismatches in M-channel TIADCs (M-TIADCs). The nonlinearity-induced error signal is reconstructed by the proposed multiplier Hadamard transform (MHT) structure, and the nonlinear parameters are estimated by the filtered-X least-mean square (FxLMS) algorithm. The performance of cascade calibration is also analyzed. The numerical simulation results show that the proposed method consumes much less hardware resources while maintaining the calibration performance. View Full-Text
Keywords: time-interleaved; analog-to-digital converter; nonlinear mismatch; binary Hadamard sequence; filtered-X least-mean square time-interleaved; analog-to-digital converter; nonlinear mismatch; binary Hadamard sequence; filtered-X least-mean square
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Liu, H.; Wang, Y.; Li, N.; Xu, H. A Calibration Method for Nonlinear Mismatches in M-Channel Time-Interleaved Analog-to-Digital Converters Based on Hadamard Sequences. Appl. Sci. 2016, 6, 362.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Appl. Sci. EISSN 2076-3417 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top