A Ka-Band CMOS Phase-Invariant and Ultralow Gain Error Variable Gain Amplifier With Active Cross-Coupling Neutralization and Asymmetric Capacitor Techniques

Q Zhang, C Zhao, Y Yu, Y Wu, H Liu… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents a 23–28-GHz digital-controlled phase-invariant and ultralow gain error
variable gain amplifier (VGA) for 5G applications. The mechanisms of gain control and …

Evolution of and Perspectives on Differential‐Pair‐Based CMOS Variable Gain Amplifiers With Linear‐in‐Decibel Gain Control: A Tutorial

S Wang, Z Lu, Z Tang, X Yu, H Wu… - … Journal of Circuit …, 2024 - Wiley Online Library
ABSTRACT A variable gain amplifier (VGA) is an essential building block used in the
automatic gain control (AGC) loop to provide a continuous, adjustable gain for the signal …

A 39-GHz phase-inverting variable gain power amplifier in 65-nm CMOS for 5G communication

X Zhang, X Niu, Q Chen, X Chen… - IEEE Microwave and …, 2022 - ieeexplore.ieee.org
This letter presents a 39-GHz phase-inverting variable gain power amplifier (VGPA) for 5G
communication. Adopting a Gilbert structure-based variable gain amplifier (VGA) stage, the …

A review on variable and programmable gain amplifiers and applications

MS de Deus, SYC Catunda, AWA Soares… - Journal of Integrated …, 2022 - jics.org.br
Variable and programmable gain amplifiers have been a recurrent subject of study over the
last 50 years, and, are increasingly used in different applications today. This work presents …

A Linear-in-Decibel Automatic Gain Control Amplifier With Dual Mode Continuous Gain Tuning

L Cai, X Song, Z Lu, XP Yu, KS Yeo… - … on Circuits and …, 2023 - ieeexplore.ieee.org
A reconfigurable fully integrated automatic gain control (AGC) amplifier is presented which is
based on a dual mode continuous gain adjustment variable-gain amplifier (VGA). The VGA …

A 17.7–19.2-GHz receiver front end with an adaptive analog temperature-compensation scheme

M Li, H Gao, N Li, S Wang, Z Zhang… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
This article presents an eight-element 17.7–19.2-GHz receiver front end with 1–2 concurrent
beams in a 65-nm CMOS technology. Each output beam utilizes a temperature …

Design of a wideband dB-linear variable gain amplifier with continuous gain adjusting in 90-nm CMOS technology

C Fan, Z Chen, Z Liu, X Li, X Li, Q Qi, W Gu… - IEEE Access, 2021 - ieeexplore.ieee.org
This paper presents a wideband dB-linear variable-gain amplifier (VGA) with a DC-offset
cancellation network in a 90-nm CMOS technology for high-speed applications. The VGA …

A Ka-Band Reconfigurable Dual-Band Variable Gain Amplifier With Low Phase Variation for 5G Communications

L Gao, S Zhang, X Liu, J Hu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This paper presents a 23.5-34 GHz and 28-40.5 GHz Ka-band reconfigurable dual-band
variable gain amplifier (VGA) for 5G applications, realized in TSMC 28-nm CMOS. The VGA …

A Single-Ended Phase and Impedance Invariant mm-Wave VGPA Based on Shunt CS-CG Topology

S Meng, Y Yu, L Xiao, C Zhao, Y Wu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A novel single-ended variable gain power amplifier (VGPA) topology, named as shunt
Common Source-Common Gate VGA, is introduced in this article. A fundamental building …

[HTML][HTML] A Wideband dB-Linear Analog Baseband for a Millimeter-Wave Receiver with Error Compensation in 40 nm CMOS Technology

S Hu, H Wang, Y Wang - Electronics, 2024 - mdpi.com
This paper presents a low power wideband dB-linear analog baseband (ABB) circuit for a
millimeter-wave (mmW) wireless receiver in 40 nm CMOS technology. The proposed ABB …