Calibration Technique Based on LSTM Regression Neural Network for Time-Interleaved SAR Analog-to-Digital Converter PDF Download
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Author:
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Category :
Languages : en
Pages : 102
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Author:
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ISBN:
Category :
Languages : en
Pages : 102
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Author: Christopher Leonidas David
Publisher:
ISBN:
Category :
Languages : en
Pages : 370
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Abstract: The growth of digital systems underscores the need to convert analog information to the digital domain at high speeds and with great accuracy. Analog-to-Digital Converter (ADC) calibration is often a limiting factor, requiring longer calibration times to achieve higher accuracy. The goal of this dissertation is to perform a fully digital background calibration using an arbitrary input signal for A/D converters. The work presented here adapts the cyclic "Split-ADC" calibration method to the time interleaved (TI) and successive approximation register (SAR) architectures. The TI architecture has three types of linear mismatch errors: offset, gain and aperture time delay. By correcting all three mismatch errors in the digital domain, each converter is capable of operating at the fastest speed allowed by the process technology. The total number of correction parameters required for calibration is dependent on the interleaving ratio, M. To adapt the "Split-ADC" method to a TI system, 2M+1 half-sized converters are required to estimate 3(2M+1) correction parameters. This thesis presents a 4:1 "Split-TI" converter that achieves full convergence in less than 400,000 samples. The SAR architecture employs a binary weight capacitor array to convert analog inputs into digital output codes. Mismatch in the capacitor weights results in non-linear distortion error. By adding redundant bits and dividing the array into individual unit capacitors, the "Split-SAR" method can estimate the mismatch and correct the digital output code. The results from this work show a reduction in the non-linear distortion with the ability to converge in less than 750,000 samples.
Author: Hendrik van der Ploeg
Publisher: Springer Science & Business Media
ISBN: 1402046359
Category : Technology & Engineering
Languages : en
Pages : 203
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This book analyses different A/D-converter architectures with an emphasis on the maximum achievable power efficiency. It also provides an accessible overview of the state-of-the art in calibration techniques for Nyquist A/D converters. The calibration techniques presented are applicable to other analog-to-digital systems, such as those applied in integrated receivers. They allow implementation without introducing a speed or power penalty.
Author: T. Michael Souders
Publisher:
ISBN:
Category : Analog-to-digital converters
Languages : en
Pages : 84
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Author: Yuhui Huang
Publisher:
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Category :
Languages : en
Pages : 326
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Author: Luke Wang
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Category :
Languages : en
Pages :
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Author: 李育丞
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Category :
Languages : en
Pages : 81
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Author: John Patrick Keane
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Category :
Languages : en
Pages : 242
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Author: Kamal Elsankary
Publisher:
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Category :
Languages : en
Pages : 274
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Author: Jae Ki Yoo
Publisher:
ISBN:
Category : Analog-to-digital converters
Languages : en
Pages : 210
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