A new current mode CMOS variable gain amplifier using a new pseudo-exponential function
Sign Up to like & getrecommendations! Published in 2018 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-018-1234-1
Abstract: In this paper, a new pseudo-exponential function is described and a new CMOS exponential-control variable gain amplifier (VGA) based on the new function is introduced. No multiplier is needed in the proposed approach. The VGA… read more here.
Keywords: variable gain; pseudo exponential; function; new pseudo ... See more keywords
An RBF-ARX Model-Based Variable-Gain Feedback RMPC Algorithm
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2999621
Abstract: The RBF-ARX model has been used intensively in modeling and control of nonlinear systems, in which the coefficients of the NARX model are approximated with RBF networks. In this paper, motivated by the fact that… read more here.
Keywords: model; gain feedback; variable gain; rbf arx ... See more keywords
A Variable-Gain Low-Noise Transimpedance Amplifier for Miniature Ultrasound Probes
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2020.3023618
Abstract: This article presents a low-noise transimpedance amplifier (TIA) designed for miniature ultrasound probes. It provides continuously variable gain to compensate for the time-dependent attenuation of the received echo signal. This time-gain compensation (TGC) compresses the… read more here.
Keywords: noise transimpedance; transimpedance amplifier; gain; variable gain ... See more keywords
A Wideband Variable Gain LNA With High OIP3 for 5G Using 40-nm Bulk CMOS
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2017.2779832
Abstract: This letter presents a CMOS wideband variable gain LNA for 28-GHz 5G integrated phased-array transceivers preserving high third-order intercept point (OIP3) at all gain settings. The prototype LNA has three stages providing digitally controlled gain… read more here.
Keywords: gain lna; variable gain; lna high; gain ... See more keywords
A $Ka$ -Band Variable-Gain Amplifier With Low OP1dB Variation for 5G Applications
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2019.2940318
Abstract: This letter presents a Ka-band variable-gain amplifier (VGA) with low output 1-dB compression point (OP1dB) variation for 5G applications. The VGA comprises a cascode current-steering amplifier and a common source amplifier with capacitance neutralization and… read more here.
Keywords: gain amplifier; gain; band variable; variable gain ... See more keywords
Generalized Variable Gain ADRC for Nonlinear Systems and Its Application to Delta Parallel Manipulators
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2022.3224746
Abstract: In this paper, a novel generalized variable gain active disturbance rejection control (VGADRC) method is proposed for the $n$ -th order nonlinear system. The generalized VGADRC, including generalized variable gain tracking differentiator (VGTD), generalized variable… read more here.
Keywords: variable gain; generalized variable; gain adrc; delta parallel ... See more keywords
A 0.6-V Low-Power Variable-Gain LNA in 0.18- $\mu$ m CMOS Technology
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2019.2902301
Abstract: A 0.6-V low-power variable-gain low-noise amplifier by using 0.18- ${\mu }\text{m}$ CMOS process has been proposed. By using a tunable negative-feedback capacitor technology, variable gain can be achieved. Moreover, forward body biasing, input feedback capacitor,… read more here.
Keywords: power variable; gain; power; low power ... See more keywords
Variable-Gain Control for Respiratory Systems
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Control Systems Technology"
DOI: 10.1109/tcst.2018.2871002
Abstract: In this paper, we introduce a variable-gain control strategy for mechanical ventilators in the respiratory systems. Respiratory systems assist the patients who have difficulty breathing on their own. For the comfort of the patient, fast… read more here.
Keywords: respiratory systems; control respiratory; gain; variable gain ... See more keywords
Data-Driven Approach to Accommodating Multiple Simultaneous Sensor Faults in Variable-Gain PID Systems
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2018.2849999
Abstract: This paper is concerned with the problem of data-driven fault-tolerant control for multiple simultaneous sensor drift faults in variable-gain digital PID systems with very large time constants and long dead time, which are exceedingly common… read more here.
Keywords: simultaneous sensor; variable gain; multiple simultaneous; data driven ... See more keywords
A Wideband dB-Linear Variable-Gain Amplifier With a Compensated Negative Pseudo-Exponential Generation Technique
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2021.3058266
Abstract: This article presents a wideband dB-linear variable-gain amplifier (VGA) with a compensated negative pseudo-exponential generation (C-NPEG) technique for high-speed applications. By shifting the concave and the convex function of an original negative pseudo-exponential generator (NPEG),… read more here.
Keywords: wideband linear; negative pseudo; pseudo exponential; gain ... See more keywords
A photoacoustic imaging system with variable gain at different depths
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Innovative Optical Health Sciences"
DOI: 10.1142/s1793545818500220
Abstract: We established a photoacoustic imaging (PAI) system that can provide variable gain at different depths. The PAI system consists of a pulsed laser with an optical parametric oscillator working at a 728nm wavelength and an… read more here.
Keywords: system; variable gain; gain; imaging ... See more keywords