Calibration of Parallel Delta-sigma Analog-to-digital Converters PDF Download
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Author: Robert D. Batten
Publisher:
ISBN:
Category : Analog-to-digital converters
Languages : en
Pages : 176
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Book Description
Author: Robert D. Batten
Publisher:
ISBN:
Category : Analog-to-digital converters
Languages : en
Pages : 176
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Book Description
Author: Keith Anthony O'Donoghue
Publisher:
ISBN:
Category :
Languages : en
Pages : 158
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Book Description
Author: José S. Niell
Publisher:
ISBN:
Category :
Languages : en
Pages : 86
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Book Description
Author: Tzi-Hsiung Shu
Publisher:
ISBN:
Category : Analog-to-digital converters
Languages : en
Pages : 152
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Book Description
Author: Kenneth Colin Dyer
Publisher:
ISBN:
Category : Analog-to-digital converters
Languages : en
Pages : 300
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Book Description
Author: Marc Pastre
Publisher: Springer Science & Business Media
ISBN: 9781402042522
Category : Technology & Engineering
Languages : en
Pages : 284
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Book Description
Methodology for the Digital Calibration of Analog Circuits and Systems shows 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, and three 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 also compensates drifts due to mechanical stresses and ageing.
Author: Adrian Bruce Early
Publisher:
ISBN:
Category : Digital-to-analog converters
Languages : en
Pages : 290
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Book Description
Author: Ovidiu Bajdechi
Publisher: Springer Science & Business Media
ISBN: 140207946X
Category : Computers
Languages : en
Pages : 203
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Book Description
Systematic Design of Sigma-Delta Analog-to-Digital Converters describes the issues related to the sigma-delta analog-to-digital converters (ADCs) design in a systematic manner: from the top level of abstraction represented by the filters defining signal and noise transfer functions (STF, NTF), passing through the architecture level where topology-related performance is calculated and simulated, and finally down to parameters of circuit elements like resistors, capacitors, and amplifier transconductances used in individual integrators. The systematic approach allows the evaluation of different loop filters (order, aggressiveness, discrete-time or continuous-time implementation) with quantizers varying in resolution. Topologies explored range from simple single loops to multiple cascaded loops with complex structures including more feedbacks and feedforwards. For differential circuits, with switched-capacitor integrators for discrete-time (DT) loop filters and active-RC for continuous-time (CT) ones, the passive integrator components are calculated and the power consumption is estimated, based on top-level requirements like harmonic distortion and noise budget. This unified, systematic approach to choosing the best sigma-delta ADC implementation for a given design target yields an interesting solution for a high-resolution, broadband (DSL-like) ADC operated at low oversampling ratio, which is detailed down to transistor-level schematics. The target audience of Systematic Design of Sigma-Delta Analog-to-Digital Converters are engineers designing sigma-delta ADCs and/or switched-capacitor and continuous-time filters, both beginners and experienced. It is also intended for students/academics involved in sigma-delta and analog CAD research.
Author: Aria Eshraghi
Publisher:
ISBN:
Category : Analog-to-digital converters
Languages : en
Pages : 209
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Book Description
Author: Shanthi Pavan
Publisher: John Wiley & Sons
ISBN: 1119258278
Category : Technology & Engineering
Languages : en
Pages : 596
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Book Description
This new edition introduces operation and design techniques for Sigma-Delta converters in physical and conceptual terms, and includes chapters which explore developments in the field over the last decade Includes information on MASH architectures, digital-to-analog converter (DAC) mismatch and mismatch shaping Investigates new topics including continuous-time ΔΣ analog-to-digital converters (ADCs) principles and designs, circuit design for both continuous-time and discrete-time ΔΣ ADCs, decimation and interpolation filters, and incremental ADCs Provides emphasis on practical design issues for industry professionals
