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
On–off switching digitalized W-band SiGe variable gain power amplifier for large-scale phased array
Sign Up to like & getrecommendations! Published in 2025 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078725000017
Abstract: In this paper, on–off switching digitization of a W-band variable gain power amplifier (VGPA) with above 60 dB dynamic range is introduced for large-scale phased array. Digitization techniques of on–off switching modified stacking transistors with partition… read more here.
Keywords: gain power; gain; band; power amplifier ... 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
Fixed-Time Variable Gain Trajectory Tracking Control for 6-DOF Manipulators With Unknown Disturbances
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2025.3625496
Abstract: In this letter, fixed-time variable gain trajectory tracking control is designed for solving nonlinear unknown disturbance problems of 6-DOF manipulators. The designed control method comprises a fixed-time variable gain disturbance observer (FTVGDOB) and a fixed-time… read more here.
Keywords: time; dof manipulators; time variable; fixed time ... 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
Generalized Discrete-Time Variable Gain ADRC for Nonlinear Systems and Its Application to Parallel Teleoperated Manipulators
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Circuits and Systems I: Regular Papers"
DOI: 10.1109/tcsi.2025.3555204
Abstract: In this paper, we propose a novel generalized discrete-time variable gain active disturbance rejection control (DTVGADRC) method for the n-th order discrete-time nonlinear systems. The error-driven generalized DTVGADRC can dynamically improve the control performances, including… read more here.
Keywords: variable gain; discrete time; generalized discrete; time variable ... 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
An X-Band Ultra-Low Phase Variation Variable Gain Amplifier With Capacitive Compensation Technique
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2023.3296628
Abstract: To achieve a large gain range while minimizing the phase variation, two-stage cascaded variable gain amplifiers (VGAs) are demonstrated to achieve 31.5 dB-gain-control and 0.5 dB-linear-step at X-band in this brief. Two complementary numerical-control differential… read more here.
Keywords: variable gain; gain; phase variation; band ultra ... See more keywords