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Mostrando ítems 161-170 de 428
Ponencia
A 4-mode reconfigurable low noise amplifier for implantable neural recording channels
(Institute of Electrical and Electronics Engineers, 2016)
In this paper a reconfigurable implantable low noise amplifier for the recording of neural signals is presented. It is comprised by low-power and noise efficient current reuse OTAs in its direct path. The proposed architecture ...
Artículo
Operational transconductance amplifier-based nonlinear function syntheses
(Institute of Electrical and Electronics Engineers, 1989)
It is shown that the operational transconductance amplifier, as the active element in basic building blocks, can be efficiently used for programmable nonlinear continuous-time function synthesis. Two efficient nonlinear ...
Ponencia
Comparison of the DR of continuous time Gm-C filters using different structures
(World Scientific and Engineering Academy and Society, 2006)
This paper presents design techniques to evaluate the noise and distortion of continuous time Gm-C filters. Also presents techniques to improve the dynamic range of such filters keeping a relation of integer numbers between ...
Ponencia
Locust-inspired vision system on chip architecture for collision detection in automotive applications
(Institute of Electrical and Electronics Engineers, 2006)
This paper describes a programmable digital computing architecture dedicated to process information in accordance to the organization and operating principles of the four-layer neuron structure encountered at the visual ...
Ponencia
Reconfiguration of Cascade ΣΔ Modulators for Multistandard GSM/Bluetooth/UIMTS/WLAN Transceivers
(Institute of Electrical and Electronics Engineers, 2006)
This paper presents design considerations for cascade Sigma-Delta Modulators (ΣΔMs) included in multi-standard wireless transceivers. Four different standards are covered: GSM, Bluetooth, UMTS and WLAN. A top-down design ...
Ponencia
Control and acquisition system for a high dynamic range CMOS image sensor
(Institute of Electrical and Electronics Engineers, 2012)
A control and acquisition system for the visualization of the images captured with a High Dynamic Range (HDR) CMOS Image Sensor is developed. The image sensor is inserted in a PCB system, which performs low level control, ...
Artículo
A Chaotic Switched-Capacitor Circuit for 1/f Noise Generation
(Institute of Electrical and Electronics Engineers, 1992)
A switched-capacitor circuit is reported for the generation of 1 / fYnoise. The circuit is described by a chaotic first-order piecewise-finear discrete map which yields a hopping transition between regions of chaotic motions ...
Ponencia
A 2.5-V ΣΔ modulator in 0.25-um CMOS for ADSL
(Institute of Electrical and Electronics Engineers, 2002)
This paper presents a dual-quantization SC Sigma-Delta Modulator intended for A/D Conversion in ADSL applications.
Ponencia
Effect of Clock Jitter Error on the Performance Degradation of Multi-bit Continuous-Time ΣΔ Modulators With NRZ DAC
(2005)
This paper analyses the effect of the clock jitter error in multi-bit continuous-time ΣΔ modulators with non-return-to-zero feedback waveform. Derived expressions show that the jitter-induced noise power can be separated ...
Ponencia
Design of RC-active oscillators using composite amplifiers
(Institute of Electrical and Electronics Engineers, 1991)
The design of composite opamp Wien-Bridge oscillators is systematically approached by using a general model including amplitude control issues. Two different design criteria are presented and their main features summarized. ...