Design and Verification of a New Universal Active Filter Based on the Current Feedback Operational Amplifier and Commercial AD844 Integrated Circuit [PDF]
Sensors, 2023 This paper presents a triple-input and four-output type voltage-mode universal active filter based on three current-feedback operational amplifiers (CFOAs). The filter employs three CFOAs, two grounded capacitors, and six resistors.
Hua-Pin Chen +4 more
doaj +2 more sources
Voltage-Mode Multifunction Biquad Filter and Its Application as Fully-Uncoupled Quadrature Oscillator Based on Current-Feedback Operational Amplifiers [PDF]
Sensors, 2020 This research introduces a new multifunction biquad filter based on voltage mode (VM) current-feedback operational amplifier (CFOA) and a fully uncoupled quadrature oscillator (QO) based on the proposed VM multifunction biquad filter.
San-Fu Wang +3 more
doaj +2 more sources
MICFOA: A Novel Improved Catch Fish Optimization Algorithm with Multi-Strategy for Solving Global Problems [PDF]
BiomimeticsCatch fish optimization algorithm (CFOA) is a newly proposed meta-heuristic algorithm based on human behaviors. CFOA shows better performance on multiple test functions and clustering problems.
Zhihao Fu +3 more
doaj +2 more sources
Applied Sciences (Switzerland), 2019 This paper proposes a new high-input impedance current feedback operational amplifier (CFOA)- based voltage-mode multifunction biquadratic filter and a voltage-mode quadrature oscillator using the proposed high-input impedance CFOA-based biquadratic ...
Yitsen Ku, Po-Yu Chen, Po-Yu Chen
exaly +3 more sources
Design of Mixed-Mode Analog PID Controller with CFOAs [PDF]
SensorsThe design of a mixed-mode proportional-integral-derivative (PID) controller circuit using current-feedback operational amplifiers (CFOAs) as active components is proposed.
Natchanai Roongmuanpha +3 more
doaj +2 more sources
MSAO-EDA: A Modified Snow Ablation Optimizer by Hybridizing with Estimation of Distribution Algorithm [PDF]
BiomimeticsMetaheuristic algorithms provide reliable and effective methods for solving challenging optimization problems. The snow ablation algorithm (SAO) performs favorably as a physics-based metaheuristic algorithm. Nevertheless, SAO has some shortcomings.
Wuke Li +2 more
doaj +2 more sources
Efficient adaptive learning rate for convolutional neural network based on quadratic interpolation egret swarm optimization algorithm [PDF]
HeliyonConvolutional neural network (CNN) has recently become popular for addressing multi-domain image classification. However, most existing methods frequently suffer from poor performance, especially in performance and convergence for various datasets ...
Peiyang Wei +3 more
doaj +2 more sources
Coexistence of Multiple Attractors in a Novel Simple Jerk Chaotic Circuit With CFOAs Implementation
Frontiers in Physics, 2022 A novel, simple Jerk chaotic circuit with three current feedback operational amplifiers included (CFOA-JCC) is proposed, which has a simpler circuit structure, fewer components, but higher frequency characteristics.
Qiao Wang +5 more
doaj +1 more source
CFOA-Based Fractional Order PIλDδ Controller [PDF]
Electronics, 2017 Conventional Current Feedback Operational Amplifier (CFOA) is not current controllable or not electronically controllable. It is thus of interest to add a current mirror into the CFOA in order to make it current controllable.
Tada Comedang, Pattana Intan
doaj +1 more source
Geofluids, 2022 The research was aimed at predicting floor water-inrush risk in coal mines and forewarn of such accidents to guide safe production of coal mines in practice.
Zhijie Zhu +3 more
doaj +1 more source