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Mostrando ítems 1-10 de 41
Ponencia
Behavioral Modeling, Simulation and High-Level Synthesis of Pipeline A/D Converters
(2005)
This paper presents a MATLAB® toolbox for the time-domain simulation and high-level sizing of pipeline analog-to-digital converters. SIMULINK® C-coded S-functions are used to describe the behavioral models of all building ...
Ponencia
Design Considerations for Multistandard Cascade ΣΔ Modulators
(2005)
This paper discusses design considerations for cascade Sigma-Delta Modulators (ΣΔMs) included in multistandard wireless receivers. Four different standards are covered: GSM, Bluetooth, UMTS, and WLAN. A top-down design ...
Ponencia
Design of a 1.2-V Cascade Continuous-Time Sigma-Delta Modulator for Broadband Telecommunications
(Institute of Electrical and Electronics Engineers, 2006)
This paper presents the design of a continuous-time multibit cascade 2-2-1 sigma-delta modulator for broadband telecom systems.
Artículo
A CMOS 110-dB@40-kS/s programmable-gain chopper-stabilized third-order 2-1 cascade sigma-selta modulator for low-power high-linearity automotive aensor ASICs
(Institute of Electrical and Electronics Engineers, 2005)
This paper describes a 0.35-μm CMOS chopper-stabilized switched-capacitor 2-1 cascade ΣΔ modulator for automotive sensor interfaces. The modulator architecture has been selected from an exhaustive comparison among multiple ...
Ponencia
Design Considerations for an Automotive Sensor Interface Sigma-Delta Modulator
(Institute of Electrical and Electronics Engineers, 2003)
The Sigma-Delta Modulator presented in this paper contains a programmable-gain input inferface to accommodate the output signal level of a variety of automotive sensors. We show that this characteristic can be efficiently ...
Ponencia
Experimental Characterization of IdleTones in Second-Order Bandpass ΣΔ Modulators
(2000)
This paper analyses the tonal behaviour of the quantization noise in second-order bandpass ΣΔ modulators. The analysis performed for lowpass modulators is extended to the bandpass case. As a result, closed form expressions ...
Ponencia
Expandible high-order cascade ya modulator with constant, reduced systematic loss of resolution
(Institute of Electrical and Electronics Engineers, 2003)
An arbitrary order sigma-delta modulator cascude architecture is presented with only I-bit loss of resolution due to scaling issues, even with single-bit quantizulion. This loss is kept with a high overloading point, ...
Ponencia
A SIMULINK-based approach for fast and precise simulation of switched-capacitor, switched-current and continuous-time /spl Sigma//spl Delta/ modulators
(Institute of Electrical and Electronics Engineers, 2003)
This paper describes how to extend the capabilities of SIMULINK for the time-domain simulation of /spl Sigma//spl Delta/ modulators implemented by using switched-capacitor, switched-current and continuous-time circuits, ...
Artículo
High-level synthesis of switched-capacitor, switched-current and continuous-time ΣΔ modulators using SIMULINK-based time-domain behavioral models
(Institute of Electrical and Electronics Engineers, 2005)
This paper presents a high-level synthesis tool for ΣΔ Modulators (ΣΔMs) that combines an accurate SIMULINK-based time-domain behavioral simulator with a statistical optimization core. Three different circuit techniques ...
Ponencia
A 14-bit 4-MS/s Multi-bit Cascade Sigma-Delta Modulator in CMOS 0.35-um Digital Technology
(2000)
This paper presents a 4th-order 3-stage cascade SD modulator that achieves 14-bit dynamic range at 4MS/s using low oversampling ratio. It includes a programmable multi-bit quantizer in the last stage, providing 2-, 3-, ...