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 new ultra-low-power high-order universal OTA-C filter based on CMOS double inverters in the subthreshold region

A Namdari, M Dolatshahi… - Circuits, Systems, and …, 2023 - Springer
In this paper, a new ultra-low-power double-inverter-based and multi-mode, high-order
universal OTA-C filter is presented. The proposed circuit is designed based on the use of …

CMOS analog filter design for very high frequency applications

LA Sánchez-Gaspariano, C Muñiz-Montero… - Electronics, 2020 - mdpi.com
A design strategy for the synthesis of high-selectivity/low-order analog filters in
Complementary Metal-Oxide-Semiconductor (CMOS) technology for very high frequency …

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 …

Dual-tuned high-swing variable-gain amplifier with enhanced dB-linear control

S Nivedha, M Bhaskar - AEU-International Journal of Electronics and …, 2024 - Elsevier
In this work, an analog-controlled variable gain amplifier (VGA) is proposed that
demonstrates high linearity across a wide range of control voltages and low noise for analog …

A current‐mode MOSFET‐C analog filter for the high‐frequency band applications

D Ozenli, A Yesil, H Kuntman - International Journal of Circuit …, 2021 - Wiley Online Library
In this work, a novel current‐mode filter is presented including a PMOS grounded capacitor
and a metal insulator metal structure (MIM‐cap). Proposed filter's cut‐off frequency can be …

General rational approximation of Gaussian wavelet series and continuous‐time gm‐C filter implementation

M Li, Y Sun - International Journal of Circuit Theory and …, 2020 - Wiley Online Library
A general method of rational approximation for Gaussian wavelet series and Gaussian
wavelet filter circuit design with simple gm‐C integrators is presented in this work. Firstly, the …

Single-Stage CMOS Operational Transconductance Amplifiers (OTAs): A Design Tutorial

J Choi, SJ Kweon, H Jeon - Electronics, 2023 - mdpi.com
This paper presents a comprehensive design tutorial for four types of single-stage
operational transconductance amplifiers (OTAs):(1) five-transistor OTAs,(2) telescopic …

A 48-dB Range, 0.86-dB Step, and 0.06-dB Error dB-Linear PGA Based on Resistive Ladder Attenuator: Design Theory and Realization

Y Yin, H Qi, Z Feng, C **, X Zhang, H Lu… - … on Circuits and …, 2024 - ieeexplore.ieee.org
This paper presents the effective design theory and realization for a programmable gain
amplifier (PGA) with extremely small gain error and high-resolution decibel (dB)-linear …

A dB-Linear Programmable Gain Amplifier With Mixed-Signal Control for Wide-Gain Range and Low-Power Applications

A Boora, BK Thangarasu, KS Yeo - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A robust, cascaded unit cell-based programmable gain amplifier (PGA) with precise and
accurate dB-linear characteristics using the exponential approximation of the MOS transistor …