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Ponencia
CMOS Architectures and circuits for high-speed decision-making from image flows
(The International Society for Optical Engineering (SPIE), 2008)
We present architectures, CMOS circuits and CMOS chips to process image flows at very high speed. This is achieved by exploiting bio-inspiration and performing processing tasks in parallel manner and concurrently with image ...
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, ...
Ponencia
A versatile sensor interface for programmable vision systems-on-chip
(The International Society for Optical Engineering - SPIE, 2003)
This paper describes an optical sensor interface designed for a programmable mixed-signal vision chip. This chip has been designed and manufactured in a standard 0.35μm n-well CMOS technology with one poly layer and five ...
Artículo
Accurate Settling-Time Modeling and Design Procedures for Two-Stage Miller-Compensated Amplifiers for Switched-Capacitor Circuits
(Institute of Electrical and Electronics Engineers, 2009)
We present modeling techniques for accurate estimation of settling errors in switched-capacitor (SC) circuits built with Miller-compensated operational transconductance amplifiers (OTAs). One distinctive feature of the ...
Ponencia
Bio-inspired 0.35μm CMOS Time-to-Digital Converter with 29.3ps LSB
(Institute of Electrical and Electronics Engineers, 2006)
Time-to-digital converter (TDC) integrated circuit is introduced in this paper. It is based on chain of delay elements composing a regular scalable structure. The scheme is analogous to the sound direction sensitivity nerve ...
Ponencia
Robust symmetric multiplication for programmable analog VLSI array processing
(Institute of Electrical and Electronics Engineers, 2006)
This paper presents an electrically programmable analog multiplier. The circuit performs the multiplication between an input variable and an electrically selectable scaling factor. The multiplier is divided in several ...
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-, ...
Ponencia
Continuous-time cascaded ΣΔ modulators for VDSL: A comparative study
(The International Society for Optical Engineering - SPIE, 2005)
This paper describes new cascaded continuous-time ΣΔ modulators intended to cope with very high-rate digital subscriber line specifications, i.e 12-bit resolution within a 20-MHz signal bandwidth. These modulators have ...
Ponencia
Tactile retina for slip detection
(Institute of Electrical and Electronics Engineers, 2006)
The interest in tactile sensors is increasing as their use in complex unstructured environments is demanded, like in telepresence, minimal invasive surgery, robotics etc. The array of pressure data provided by these devices ...