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Ponencia
Selection of test techniques for high-resolution ΣΔ modulators
(2000)
This paper introduces a new tool which allows the evaluation of different test techniques in a complete impartial manner. This tool has been applied to the selection of the best test technique for their application to ...
Ponencia
A novel low-voltage reconfigurable ΣΔ modulator for 4G wireless receivers
(2008)
This paper presents a new adaptable cascade ΣΔ modulator architecture fo r low-voltage multi-stan- dard applications. It uses two reconfiguration strategies: a programmable global resonation and a variable loop-filter ...
Ponencia
A 12-bit@40MS/s Gm-C Cascade 3-2 Continuous-Time Sigma-Delta Modulator
(Institute of Electrical and Electronics Engineers, 2007)
This paper reports the transistor-level design of a 130-nm CMOS continuous-time cascade ΣΔ modulator. The modulator topology, directly synthesized in the continuous-time domain, consists of a third-order stage followed by ...
Ponencia
Simulation-based high-level synthesis of Nyquist-rate data converters using MATLAB/SIMULINK
(The International Society for Optical Engineering - SPIE, 2005)
This paper presents a toolbox for the simulation, optimization and high-level synthesis of Nyquist-rate Analog-to-Digital (A/D) and Digital-to-Analog (D/A) Converters in MATLAB®. The embedded simulator uses SIMULINK® C-coded ...
Capítulo de Libro
BandPass Sigma-Delta Analog-to-Digital Converters
(Springer, 2003)
The principle of ΣΔ Modulation (ΣΔM) is extended in BPΣΔMs to bandpass signals, especially but not only, with a narrow bandwidth. Thus, BPΣΔMs have much in common with their lowpass counterparts - whose properties have ...
Ponencia
An Embedded 12-bit 80MS/s A/D/A Interface for Power-Line Communications in 0.13μm Pure Digital CMOS Technology
(Institute of Electrical and Electronics Engineers, 2005)
This paper presents an embedded interface, comprising both A/D and D/A converters, which has been implemented in a 0.13μm pure digital CMOS technology. The interface is integrated in a system for high-performance broad-band ...
Ponencia
A 0.35 μm CMOS 17-bit@40-kS/s cascade 2-1 ΣΔ modulator with programmable gain and programmable chopper stabilization
(The International Society for Optical Engineering - SPIE, 2005)
This paper describes a 0.35μm CMOS chopper-stabilized Switched-Capacitor 2-1 cascade ΣDelta; modulator for automotive sensor interfaces. For a better fitting to the characteristics of different sensor outputs, the modulator ...
Ponencia
Study of Non-Linear S/H Operation in Switched-Current Circuits Using Volterra Series - Application to BandPass Sigma-Delta Modulators
(2001)
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-linear sampling process occurring in ...
Ponencia
Top-Down Design of a xDSL 14-bit 4MSh ZA Modulator in Digital CMOS Technology
(Institute of Electrical and Electronics Engineers, 2001)
This paper describes the design of a Sigma-Delta modulator aimed for A/D conversion in xDSL applications, featuring 14-bit@4Msample/s in a 0.35μm mainstream digital CMOS technology. Architecture selection, modulator sizing ...
Artículo
A new high-level synthesis methodology of cascaded continuous-time ΣΔ modulators
(Institute of Electrical and Electronics Engineers, 2006)
This brief presents an efficient method for synthesizing cascaded sigma–delta modulators implemented with continuous-time circuits. It is based on the direct synthesis of the whole cascaded architecture in the continuous-time ...