High-level synthesis of switched-capacitor, switched-current and continuous-time/spl Sigma//spl Delta/modulators using SIMULINK-based time-domain behavioral …

J Ruiz-Amaya, JM de la Rosa… - … on Circuits and …, 2005 - ieeexplore.ieee.org
This paper presents a high-level synthesis tool for/spl Sigma//spl Delta/modulators (/spl
Sigma//spl Delta/Ms) that combines an accurate SIMULINK-based time-domain behavioral …

Analysis of the extended operation range of electrostatic actuators by current-pulse drive

L Castaner, J Pons, R Nadal-Guardia… - Sensors and Actuators A …, 2001 - Elsevier
A new driving mode of electrostatic actuators has been examined. It is based on charge
drive rather than on voltage drive. Charge drive is accomplished by a pulsed current source …

Analysis of error mechanisms in switched-current sigma-delta modulators

JM De La Rosa, B Pérez-Verdú, F Medeiro… - … Integrated Circuits and …, 2004 - Springer
This paper presents a systematic analysis of the major switched-current (SI) errors and their
influence on the performance degradation of ΣΔ Modulators (ΣΔMs). The study is presented …

Performance enhancement of switched-current technique using subthreshold mos operation

A Worapishet, JB Hughes - … on Circuits and Systems I: Regular …, 2008 - ieeexplore.ieee.org
The general performance of class AB switched currents (SI) is analyzed using the general
MOS equations valid for all regions of operation. Using a figure-of-merit combining speed …

Prospect of the future of switched-current circuits with regard to future CMOS technologies

M Voelker, J Hauer, J Sauerer - Microelectronics Journal, 2008 - Elsevier
Low supply voltages in modern CMOS technologies are expected to reduce the maximum
resolution of analog to digital converters in voltage mode operation. This paper outlines the …

Effect of non-linear settling error on the harmonic distortion of fully-differential switched-current bandpass/spl Sigma//spl Delta/modulators

JM de la Rosa, B Pérez-Verdú… - ISCAS 2001. The …, 2001 - ieeexplore.ieee.org
This paper presents a detailed study of the effect of the non-linear settling on the harmonic
distortion of Bandpass/spl Sigma//spl Delta/Modulators (BP-/spl Sigma//spl Delta/Ms) …

Design of interpolative sigma delta modulators via a semi-infinite programming approach

CYF Ho, BWK Ling, JD Reiss - 2005 - IET
This paper considers the design of interpolative sigma delta communication systems
modulators (SDMs). The design problem is formulated as two different optimization …

Processamento de sinais analógicos amostrados utilizando técnicas de chaveamento a capacitor ea corrente aplicados à conversão AD sigma delta

CA Prior - 2009 - repositorio.ufsm.br
Circuitos de amostragem e retenção de sinais analógicos são comumente implementados
com técnicas de chaveamento de capacitores (Switched Capacitor–SC). Circuitos SC …

Sigma-Delta CMOS ADCs: An Overview of the State-of-the-Art

A Rodríguez-Vázquez, F Medeiro… - CMOS Telecom Data …, 2003 - Springer
As stated in Chapter 1, analog-to-digital conversion involves a number of tasks, namely:
Sampling the input signal at frequency fs, with prior anti-aliasing filtering and, in some cases …

[PDF][PDF] Study of Non-Linear S/H Operation in Switched-Current Circuits using Volterra Series− Application to Bandpass Σ∆ Modulators

JM de la Rosa, B Pérez-Verdú, F Medeiro, R del Río… - researchgate.net
This paper analyses the transient behaviour of SwItched-current (SI) memory cells placed at
the front-end of high-speed A/D interfaces. Based on the Volterra series method, the non …