Results 21 to 30 of about 618,182 (326)

Doubling-resolution analog-to-digital conversion based on PIC18F45K80

open access: yesThe Journal of Engineering, 2014
Aiming at the analog signal being converted into the digital with a higher precision, a method to improve the analog-to-digital converter (ADC) resolution is proposed and described. Based on the microcomputer PIC18F45K80 in which the internal ADC modules
Yueyang Yuan, Chongchang Yang
doaj   +1 more source

An Innovative Successive Approximation Register Analog-to-Digital Converter for a Nine-Axis Sensing System

open access: yesJournal of Low Power Electronics and Applications, 2021
With nine-axis sensing systems in 5G smartphones, mobile power consumption has become increasingly important, and ultra-low-power (ULP) sensor circuits can decrease power consumption to tens of microwatts.
Chih-Hsuan Lin, Kuei-Ann Wen
doaj   +1 more source

Analog‐to‐Digital Conversion for Cognitive Radio: Subsampling, Interleaving, and Compressive Sensing [PDF]

open access: yes, 2017
This chapter explores different analog-to-digital conversion techniques that are suitable to be implemented in cognitive radio receivers. This chapter details the fundamentals, advantages, and drawbacks of three promising techniques: subsampling ...
García Oya, José Ramón   +2 more
core   +1 more source

Bandpass Sigma–Delta Modulation: The Path toward RF-to-Digital Conversion in Software-Defined Radio

open access: yesChips, 2023
This paper reviews the state of the art on bandpass ΣΔ modulators (BP-ΣΔMs) intended to digitize radio frequency (RF) signals. A priori, this is the most direct way to implement software-defined radio (SDR) systems since the analog/digital interface is ...
Jose M. de la Rosa
doaj   +1 more source

On-chip integratable all-optical quantizer using strong cross-phase modulation in a silicon-organic hybrid slot waveguide [PDF]

open access: yes, 2016
High performance all-optical quantizer based on silicon waveguide is believed to have significant applications in photonic integratable optical communication links, optical interconnection networks, and real-time signal processing systems. In this paper,
Yuan, Jinhui   +33 more
core   +1 more source

Comparative Study between Duty Cycle Modulation (DCM) and Sigma-Delta (Ʃ∆) Modulation Based on Analog to Digital Conversion [PDF]

open access: yesJournal of Electrical and Electronics Engineering, 2023
This paper presents a virtual comparative study between the Analog to Digital Conversion (ADC) based Duty Cycle Modulation (DCM) and Sigma-Delta (Ʃ∆) modulation.
OTAM Steve Ulriche, MOFFO Lonla Bertrand
doaj  

High-Speed Fully Differential Two-Step ADC Design Method for CMOS Image Sensor

open access: yesSensors, 2023
The application requirements of high frame rate CMOS image sensors (CIS) in the industry have not been satisfied due to the speed limitations in traditional single-slope and serial two-step analog-to-digital converters (ADCs). In this paper, a high-speed
Zhongjie Guo   +3 more
doaj   +1 more source

The Digital Mystique: A Review of Digital Technology and its Application to Television

open access: yesPrometheus, 1998
This article explores the divergences and convergences and convergences between the worlds of analog and of digital. It reviews some of the basic concepts of digital conversion and then compares and contrasts analog and digital signals, including their ...
A. Michael Noll
doaj   +1 more source

An Analog Gamma Correction Scheme for High Dynamic Range CMOS Logarithmic Image Sensors

open access: yesSensors, 2014
In this paper, a novel analog gamma correction scheme with a logarithmic image sensor dedicated to minimize the quantization noise of the high dynamic applications is presented.
Yuan Cao   +3 more
doaj   +1 more source

IMPLEMENTATION OF AN INTEGRATING ANALOG-DIGITAL CONVERTER WITH INTERMEDIATE PULSE LATESTIMATION MODULATION

open access: yesИзвестия высших учебных заведений. Поволжский регион:Технические науки, 2020
Bachground. The technological breakthrough in the field of integrated electronics provides the production of sensor equipment with high metrological characteristics, expansion of their dynamic range of conversion, which, in turn, makes improving ...
V. N. Ashanin, A. A. Korotkov
doaj   +1 more source

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