Results 31 to 40 of about 270,882 (298)

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

IEEE 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, Mehdi Habibi, Ebrahim Ghafar-Zadeh, Sebastian Magierowski   +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

Tekhnologiya 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

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

IEEE 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, Jai Narayan Tripathi, Hitesh Shrimali   +2 more
doaj   +1 more source

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

IEEE 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, Enrique M. Spinelli, Alfio Dario Grasso, Gaetano Palumbo   +3 more
doaj   +1 more source

Doherty amplifier linearization by digital injection methods [PDF]

, 2022
Verification of two linearization methods, applied on asymmetrical two-way microstrip Doherty amplifier in experiment and on symmetrical two-way Doherty amplifier in simulation, is performed in this paper.
Djoric, Aleksandra, Budimir, Djuradj, Males-Ilic, Natasa, Atanaskovic, Aleksandar   +3 more
core   +1 more source

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

Journal 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, Mario Renteria-Pinon, Jaime Ramirez-Angulo, Ricardo Bolaños-Pérez, Héctor Vázquez-Leal, Jesús Huerta-Chua, Alejandro Diaz-Sánchez   +6 more
doaj   +1 more source

Polarization resolved four-wave-mixing-based measurement in bulk material semiconductor optical amplifier [PDF]

, 2006
The anticipated growth in demand for bandwidth leads to the development of all-optical signal processing techniques at ever increasing data rates. One possible candidate to achieve the required performance is the semiconductor optical amplifier (SOA). It
S. Philippe, B. Kennedy, Philippe, Severine, Surre, Frederic, Kennedy, Brendan F., Bradley, Ann Louise, A. Bradley, Landais, Pascal, F. Surre, P. Landais   +9 more
core   +2 more sources

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

Photonics
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, Aleksandr Khegai, Andrey Umnikov, Sergei Firstov   +3 more
doaj   +1 more source

Superior Resilience of Non-Gaussian Entanglement against Local Gaussian Noises

Entropy, 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

Doherty Amplifier Linearization in Experiments by Digital Injection Methods [PDF]

, 2021
In this paper, the experimental verification of two linearization methods applied on a broadband two-way microstrip Doherty amplifier is performed. The laboratory set-ups are formed to generate the baseband nonlinear linearization signals of the second ...
Budimir, D., Atanasković, A., Djorić, A., Males-Ilic, N.   +3 more
core   +1 more source