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Ponencia
Analysis and Experimental Characterization of Idle Tones in 2nd-Order Bandpass Sigma-Delta Modulators - A 0.8μm CMOS Switched-Current Case Study
(Institute of Electrical and Electronics Engineers, 2001)
Ths paper analyses the tonal behaviour of the quantization noise in 2nd-order bandpass SD modulators. The analysis previously performed for lowpass modulators is extended to the bandpass case. As a result, closed-form ...
Artículo
Efficient Hybrid Continuous-Time/Discrete-Time Cascade Modulators for Wideband Applications
(Elsevier, 2014)
This paper analyses the use of hybrid continuous-time/discrete-time cascade ΣΔ modulators for the implementation of power-efficient analog-to-digital converters in broadband wireless communication systems. Two alternative ...
Artículo
A CMOS 0.8- µm transistor-only 1.63-MHz switched-current bandpass ΣΔ modulator for AM signal A/D conversion
(Institute of Electrical and Electronics Engineers, 2000)
This paper presents a CMOS 0.8-/spl mu/m switched-current (SI) fourth-order bandpass /spl Sigma//spl Delta/ modulator (BP-/spl Sigma//spl Delta/M) IC capable of handling signals up to 1.63 MHz with 105-bit resolution and ...
Ponencia
Effect of Non-Linear Settling Error on The Harmonic Distortion of Fully-Differential Switched-Current BandPass Sigma-Delta Modulators
(Institute of Electrical and Electronics Engineers, 2001)
This paper presents a detailed study of the effect of the non-linear settling on the harmonic distortion of BandPass SD Modulators (BP-ΣΔMs) realized using Fully Differential (FD) SwItched-current (SI) circuits. Based on ...
Ponencia
A 0.35μm CMOS 17-bit@40kS/s Sensor A/D Interface Based on a Programmable-Gain Cascade 2-1 ΣΔ Modulator
(Institute of Electrical and Electronics Engineers, 2004)
This paper describes the design and electrical implementation of an A/D interface for sensor applications realized in a 0.35μm standard CMOS technology. The circuit is composed of a low-noise instrumentation preamplifier ...
Ponencia
A ΣΔ modulator for a programmable-gain, low-power, high-linearity automotive sensor interface
(The International Society for Optical Engineering - SPIE, 2003)
This paper describes the design and electrical implementation of a 0.35μm CMOS 17-bit≰0kS/s Sigma-Delta Modulator (ΣΔM) forming part of a sensor interface for automotive applications. First of all, the paper discusses the ...
Ponencia
Design and electrical implementation of a 1.8-V multistandard switched-current ΣΔ modulator
(2005)
This paper describes the design and electrical implementation of a 1.8-V, 0.18mm CMOS reconfigurable switched-current SD modulator for multistandard (Bluetooth, WCDMA) communication systems. The modulator topology is an ...
Ponencia
An Optimization-based Tool for the High-Level Synthesis of Discrete-time and continuous-Time Sigma-Delta Modulators in the MATLAB/SIMULINK Environment
(Institute of Electrical and Electronics Engineers, 2004)
This paper presents a MATLAB toolbox for the automated high-level sizing of ΣΔ Modulators (ΣΔMs) based on the combination of an accurate time-domain behavioural simulator and a statistical optimizer. The implementation on ...
Ponencia
Analysis and Modeling of the Non-Linear Sampling Process in Switched-Current Circuits - Application to Bandpass Sigma-Delta Modulators
(2001)
This paper presents a precise model for the transient behaviour of Fully Differential (FD) SwItched-current (SI) memory cells placed at the front-end of high-speed A/D interfaces. This model allows us to analyze the main ...
Ponencia
A Direct Synthesis Method of Cascaded Continuous-Time Sigma-Delta Modulators
(2005)
This paper presents an efficient method to synthesize 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 ...