Results 21 to 30 of about 56,904 (291)
Multi-Function Active-Only High-Order Current-Driven Filter
Active and Passive Electronic Components, 2000 A new multi-function high-order current-driven filter is proposed. The filter uses only operational amplifiers, and operational transconductance amplifiers (OTAs).
Muhammad Taher Abuelma'atti +1 more
doaj +1 more source
Very high frequency CMOS OTA-C quadrature oscillators [PDF]
, 1990 An approach to the design of high-frequency monolithic voltage-controlled oscillators using operational transconductance amplifiers and capacitors is given. Results from two 3 μm CMOS prototypes are presented.
Huertas Díaz, José Luis +3 more
core +1 more source
Sensors, 2017 In this paper, a Least Mean Square (LMS) programming scheme is used to set the offset voltage of two operational amplifiers that were built using floating-gate transistors, enabling a 0.95 VRMS trimmer-less flame detection sensor.
Juan Carlos Iglesias-Rojas +2 more
doaj +1 more source
COMPARATIVE STUDY OF THE TEMPERATURE STABILITY OF THE TOOL AMPLIFIER [PDF]
Biomedicinskaâ Inženeriâ i Èlektronika, 2017 The temperature stability of the instrumental and two-stage amplifiers based on the operational amplifier LM358 (STMicroelectronics) amplifiers is experimentally studied.
Bogush A.R. , Tihosova A.O.
doaj +1 more source
Modeling and Simulation of Monolithic Single-Supply Power Operational Amplifiers
Energies, 2021 In this paper a simple PSpice (Personal Simulation Program with Integrated Circuit Emphasis) macro-model was developed, and verified for monolithic power operational amplifiers operated with a single-supply voltage.
Ivailo Milanov Pandiev
doaj +1 more source
Accurate and simple modeling of amplifier dc gain nonlinearity in switched-capacitor circuits [PDF]
, 2007 This paper presents an accurate and simple model for dc gain nonlinearity of operational amplifiers used in the switched-capacitor circuits such as the sigma-delta modulators.
Rodríguez Vázquez, Ángel Benito +1 more
core +1 more source
Accurate Settling-Time Modeling and Design Procedures for Two-Stage Miller-Compensated Amplifiers for Switched-Capacitor Circuits [PDF]
, 2009 We present modeling techniques for accurate estimation of settling errors in switched-capacitor (SC) circuits built with Miller-compensated operational transconductance amplifiers (OTAs).
Delgado Restituto, Manuel +2 more
core +1 more source
Journal of Low Power Electronics and Applications, 2020 A simple scheme to implement class AB low-voltage fully differential amplifiers that do not require an output common-mode feedback network (CMFN) is introduced. It has a rail to rail output signal swing and high rejection of common-mode input signals. It
Mario Renteria-Pinon +2 more
doaj +1 more source
125 - 211 GHz low noise MMIC amplifier design for radio astronomy [PDF]
, 2019 To achieve the low noise and wide bandwidth required for millimeter wavelength astronomy applications, superconductor-insulator-superconductor (SIS) mixer based receiver systems have typically been used.
Cleary, Kieran +7 more
core +2 more sources
Constant-amplitude, frequency- independent phase shifter [PDF]
, 1971 Electronic circuit using operational amplifiers provides output with constant phase shift amplitude, with respect to sinusoidal input, over wide range of frequencies. New circuit includes field effect transistor, Q, operational amplifiers, A1 and A2, and
Deboo, G. J.
core +1 more source