Results 21 to 30 of about 239,760 (319)

A Scalable Discrete-Time Integrated CMOS Readout Array for Nanopore Based DNA Sequencing

open access: yesIEEE Access, 2021
This paper introduces a high-speed mixed-signal readout array in 130-nm CMOS for the amplification and digitization of picoampere-range signals. Its design is inspired by the needs of emerging DNA sequencing technologies based on biological nanopore ...
Yunus Dawji   +3 more
doaj   +1 more source

Pendulum energy harvester with amplifier

open access: yesJournal of Mechatronics, Electrical Power, and Vehicular Technology, 2018
This paper presents a new principle of inductive vibration power harvester. Harvester is a pendulum that uses energy capacitor which is the mass. The mass is connected to the pendulum via a gearbox to achieve greater movement of the pendulum that ...
Michal Černý   +3 more
doaj   +1 more source

Synchronization of pulsed and continuous-wave IMPATT oscillators in the millimeter wavelength range. Part 2. Stabilizing microwave parameters of synchronized generators

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2021
This is the second part of the two-part article, which summarizes the state-of-the-art results in the development of synchronized oscillators based on IMPATT (IMPact ionization Avalanche Transit-Time) diodes.
Mykola Karushkin
doaj   +1 more source

Constant Temperature Anemometer with Self-Calibration Closed Loop Circuit

open access: yesApplied Sciences, 2020
In this paper, a Micro-Electro-Mechanical Systems (MEMS) calorimetric sensor with its measurement electronics is designed, fabricated, and tested. The idea is to apply a configurable voltage to the sensitive resistor and measure the current flowing ...
Jamel Nebhen   +2 more
doaj   +1 more source

Double-Differential Amplifier for sEMG Measurement by Means of a Current-Mode Approach

open access: yesIEEE Access, 2022
This work proposes a Double Differential (DD) amplifier topology which exploits the advantages of the current-mode approach. DD amplifiers are useful as front-ends in standalone active electrodes for superficial electromyography (sEMG) wearable ...
Federico N. Guerrero   +3 more
doaj   +1 more source

Implementation of Power-Efficient Class AB Miller Amplifiers Using Resistive Local Common-Mode Feedback

open access: yesJournal of Low Power Electronics and Applications, 2021
An approach to implement single-ended power-efficient static class-AB Miller op-amps with symmetrical and significantly enhanced slew-rate and accurately controlled output quiescent current is introduced.
Anindita Paul   +6 more
doaj   +1 more source

Deterministic Noise Analysis for Single-Stage Amplifiers by Extension of Indefinite Admittance Matrix

open access: yesIEEE Open Journal of Circuits and Systems, 2020
This article presents two methods, the block approach indefinite admittance matrix (BA-IAM) and the estimation-by-inspection, to analyse the effects of deterministic noise on single-stage, single-ended amplifiers by extending the indefinite admittance ...
Vijender Kumar Sharma   +2 more
doaj   +1 more source

Numerical analysis of pulse pedestal and dynamic chirp formation on picosecond modelocked laser pulses after propagation through a semiconductor optical amplifier [PDF]

open access: yes, 2005
A numerical analysis, based on a modified Schrodinger equation, of the formation of pulse pedestals and dynamic chirp formation on picosecond pulses after propagation through a semiconductor optical amplifier is presented.
Anandarajah, Prince M.   +7 more
core   +1 more source

Superior Resilience of Non-Gaussian Entanglement against Local Gaussian Noises

open access: yesEntropy, 2022
Entanglement distribution task encounters a problem of how the initial entangled state should be prepared in order to remain entangled the longest possible time when subjected to local noises. In the realm of continuous-variable states and local Gaussian
Sergey Filippov, Alena Termanova
doaj   +1 more source

Bismuth-Doped Fiber Lasers and Amplifiers Operating from O- to U-Band: Current State of the Art and Outlook

open access: yesPhotonics
The development of unique optical materials that provide amplification and lasing in new wavelength ranges is a major scientific problem, the solution of which is becoming the basis for the emergence of new optical technologies, which are primarily ...
Sergey Alyshev   +3 more
doaj   +1 more source

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