Results 11 to 20 of about 11,595 (253)

The metrological aspects of converters based on operational amplifiers used to measure the electrical parameters of oxide coatings

Известия высших учебных заведений. Поволжский регион:Технические науки, 2023
Background. The study is devoted to the issue of improving the accuracy of automated measuring instruments for the electrical parameters of oxide coatings.
Ekaterina A. Pecherskaya, Artem V. Volik, Timur O. Zinchenko, Igor' N. Kamardin, Dmitriy V. Artamonov, Sergey A. Gurin   +5 more
doaj   +1 more source

Design of Low Voltage Low Power High Gain Operational Transconductance Amplifier

U.Porto Journal of Engineering, 2021
In this paper, a high gain structure of operational transconductance amplifier is presented. For low voltage operation with improved frequency response bulk driven quasi-floating gate MOSFET is used at the input.
Rajesh Durgam, S. Tamil, Nikhil Raj
doaj   +1 more source

A 0.3-V 98-dB Rail-to-Rail OTA in $0.18~\mu$ m CMOS

IEEE Access, 2020
A new solution for an ultra-low-voltage, ultra-low-power operational transconductance amplifier (OTA) is presented in the paper. The design exploits a three-stage structure with a Reversed Miller Compensation Scheme, where the input stage is based on a ...
Tomasz Kulej, Fabian Khateb
doaj   +1 more source

Transimpedance Amplifier for Noise Measurements in Low-Resistance IR Photodetectors

Applied Sciences, 2023
This paper presents the design and testing of an ultra-low-noise transimpedance amplifier (TIA) for low-frequency noise measurements on low-impedance (below 1 kΩ) devices, such as advanced IR photodetectors.
Krzysztof Achtenberg, Graziella Scandurra, Janusz Mikołajczyk, Carmine Ciofi, Zbigniew Bielecki   +4 more
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Operational Transconductance Amplifier in 350nm CMOS technology [PDF]

Electronics, 2015
This paper presents transistor level design of operational transconductance amplifier in CMOS technology. Custom designed, circuit is to be built-in into the mixed-signal, switched capacitor circuit.
Dejan D. Mirković, Predrag M. Petković, Ilija Dimitrijević, Igor Mirčić   +3 more
doaj   +1 more source

Novel Schmitt Trigger and Square-Wave Generator Using Single Current Amplifier

IEEE Access, 2019
This paper presents an important missing building block for mixed-mode signal processing: a Schmitt trigger circuit based on the current amplifier. Schmitt trigger is used extensively in both the analogue and digital areas.
Hussain A. Alzaher
doaj   +1 more source

Operational Transresistance Amplifier Based PID Controller

Advances in Electrical and Electronic Engineering, 2015
This paper presents Operational transresistance amplifier (OTRA) based proportional-integral- derivative (PID) controller with independent electronic tuning of proportional, integral, and derivative constants.
Rajeshwari Pandey, Neeta Pandey, Saurabh Chittranshi, Sajal K. Paul   +3 more
doaj   +1 more source

Analysis, Simulation, and Development of a Low-Cost Fully Active-Electrode Bioimpedance Measurement Module

Technologies, 2021
A low-cost 1 kHz–400 kHz operating frequency fully-active electrode bioimpedance measurement module, based on Howland current source, is presented in this paper.
Christos Dimas, Vassilis Alimisis, Ioannis Georgakopoulos, Nikolaos Voudoukis, Nikolaos Uzunoglu, Paul P. Sotiriadis   +5 more
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EoG based Biopotential Instrumentation Amplifier [PDF]

E3S Web of Conferences, 2023
To examine the biomedical signals from the human body is of a challenging task. Signal acquisition of the biosignal needs proper design methodology with the estimation of consequences further.
Katikala Hima Bindu, Intenaka Dilleswara Rao, Tulabandula Bhagat Srı Ani, Kumar Kommuri Manoj, Koli Sakshi, Awaar Vinay Kumar, Chhabra Soosan, Narsaiah M.N.   +7 more
doaj   +1 more source

Synthesis of a Novel Low-Component Programmable Sinusoidal Oscillator

Active and Passive Electronic Components, 2003
A novel circuit is presented for realizing a sinusoidal oscillator. The proposed circuit, developed through a true synthesis approach, uses one current-feedback operational amplifier (CFOA), one operational transconductance amplifier (OTA), three ...
Muhammad Taher Abuelma'atti, Sa'ad Muhammad Al-Shahrani   +1 more
doaj   +1 more source