Methodology for the Digital Calibration of Analog Circuits and Systems : With Case Studies

Language: English

Published by Springer Dez 2005, 2005

1402042523 / 9781402042522

Series: Book 6 of 260 - The Springer International Series in Engineering and Computer Science

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Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH

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Neuware - Methodology for the Digital Calibration of Analog Circuits and Systemsshows how to relax the extreme design constraints in analog circuits, allowing the realization of high-precision systems even with low-performance components.A complete methodology is proposed, andthree applications are detailed.To start with, an in-depth analysis of existing compensation techniques for analog circuit imperfections is carried out. The M/2+M sub-binary digital-to-analog converter is thoroughly studied, and the use of this very low-area circuit in conjunction with a successive approximations algorithm for digital compensation is described. A complete methodology based on this compensation circuit and algorithm is then proposed. The detection and correction of analog circuit imperfections is studied, and a simulation tool allowing the transparent simulation of analog circuits with automatic compensation blocks is introduced. The first application shows how the sub-binary M/2+M structure can be employed as a conventional digital-to-analog converter if two calibration and radix conversion algorithms are implemented.The second application, a SOI 1T DRAM, is then presented. A digital algorithm chooses a suitable reference value that compensates several circuit imperfections together, from the sense amplifier offset to the dispersion of the memory read currents.The third application is the calibration of the sensitivity of a current measurement microsystem based on a Hall magnetic field sensor. Using a variant of the chopper modulation, the spinning current technique, combined with a second modulation of a reference signal, the sensitivity of the complete system is continuously measured without interrupting normal operation. A thermal drift lower than 50 ppm/°C is achieved, which is 6 to 10 times less than in state-of-the-art implementations. Furthermore, the calibration technique alsocompensates drifts due to mechanical stresses and ageing.

Seller Inventory # 9781402042522

Title
Methodology for the Digital Calibration of Analog Circuits and Systems : With Case Studies
Author
Marc Pastre
Publisher
Springer Dez 2005
Publication year
2005
Condition
Neu
Binding
Buch
Language
English
ISBN 10
1402042523
ISBN 13
9781402042522
Item weight
627 grams
Dimensions
250x165x17 mm
Series
Book 6 of 260: The Springer International Series in Engineering and Computer Science

AHA-BUCH GmbH

Einbeck, Germany

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AbeBooks seller since August 14, 2006

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