A family of Wien-type oscillators modified for chaos. - Ahmed S. Elwakil; Ahmed M. Soliman (Int. J. Circuit Theory Appl., 1997)

High frequency RC chaos generator. - Ahmed S. Elwakil; Michael Peter Kennedy (ICECS, 1998)

Systematic realization of low-frequency oscillators using composite passive-active resistors. - Ahmed S. Elwakil (IEEE Trans. Instrum. Meas., 1998)

Chaotic Oscillator Configuration Using a Frequency Dependent Negative Resistor. - Ahmed S. Elwakil; Michael Peter Kennedy (J. Circuits Syst. Comput., 1999)

A system for chaos generation and its implementation in monolithic form. - Ahmed S. Elwakil; Khaled N. Salama; Michael Peter Kennedy (ISCAS, 2000)

Generic RC realizations of Chua's Circuit. - Ahmed S. Elwakil; Michael Peter Kennedy (Int. J. Bifurc. Chaos, 2000)

Systematic realization of a class of hysteresis chaotic oscillators. - Ahmed S. Elwakil; Michael Peter Kennedy (Int. J. Circuit Theory Appl., 2000)

Chua's circuit decomposition: a systematic design approach for chaotic oscillators. - Ahmed S. Elwakil; Michael Peter Kennedy (J. Frankl. Inst., 2000)

An equation for Generating Chaos and its monolithic Implementation. - Ahmed S. Elwakil; Khaled N. Salama; Michael Peter Kennedy (Int. J. Bifurc. Chaos, 2002)

Experimental Verification of the Butterfly Attractor in a Modified Lorenz System. - Serdar Özoguz; Ahmed S. Elwakil; Michael Peter Kennedy (Int. J. Bifurc. Chaos, 2002)

Nonautonomous pulse-driven chaotic oscillator based on Chua's circuit. - Ahmed S. Elwakil (ISCAS (3), 2003)

Generation of n-scroll chaos using nonlinear transconductors. - Khaled N. Salama; Serdar Özoguz; Ahmed S. Elwakil (ISCAS (3), 2003)

A Four-Wing Butterfly Attractor from a Fully Autonomous System. - Ahmed S. Elwakil; Serdar Özoguz; Michael Peter Kennedy (Int. J. Bifurc. Chaos, 2003)

On the realization of circuit-independent nonautonomous pulse-excited chaotic oscillator circuits. - Serdar Özoguz; Ahmed S. Elwakil (IEEE Trans. Circuits Syst. II Express Briefs, 2004)

Research-oriented junior/senior design projects: an analog circuit design example. - Wael M. Halalu; Ahmed S. Elwakil (IEEE Trans. Educ., 2004)

An integrated circuit chaotic oscillator and its application for high speed random bit generation. - Serdar Özoguz; Nüfer Yasin Ates; Ahmed S. Elwakil (ISCAS (5), 2005)

Pulse-excited RC nonautonomous Chaotic oscillator Structures. - Ahmed S. Elwakil; Serdar Özoguz (Int. J. Bifurc. Chaos, 2005)

A Generic Model for Voltage-controlled Second-order Rc Sinusoidal Oscillators. - Ahmed S. Elwakil (J. Circuits Syst. Comput., 2005)

Explaining Hysteresis in Electronic Circuits: Robust Simulation and Design Examples. - Ahmed S. Elwakil; Serdar Özoguz; R. Jada'a (ICECS, 2006)

2D scroll grid attractors from pulse-excited nonautonomous circuits. - Serdar Özoguz; Ahmed S. Elwakil (ISCAS, 2006)

On the generation of higher order chaotic oscillators via passive coupling of two identical or nonidentical sinusoidal oscillators. - Ahmed S. Elwakil; Serdar Özoguz (IEEE Trans. Circuits Syst. I Regul. Pap., 2006)

Multiscroll Chaotic Oscillators: The Nonautonomous Approach. - Ahmed S. Elwakil; Serdar Özoguz (IEEE Trans. Circuits Syst. II Express Briefs, 2006)

New squaring circuit with reduced sensitivity to element mismatches using differentially driven translinear cells. - T. M. Abdelrahman; Serdar Özoguz; Ahmed S. Elwakil (ISCAS, 2007)

1-d digitally-Controlled multiscroll Chaos Generator. - Ahmed G. Radwan; Ahmed M. Soliman; Ahmed S. Elwakil (Int. J. Bifurc. Chaos, 2007)

A System and Circuit for Generating "multi-Butterflies". - Ahmed S. Elwakil; Serdar Özoguz (Int. J. Bifurc. Chaos, 2008)

Design equations for fractional-order sinusoidal oscillators: Four practical circuit examples. - Ahmed G. Radwan; Ahmed M. Soliman; Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2008)

First-Order Filters Generalized to the fractional Domain. - Ahmed G. Radwan; Ahmed M. Soliman; Ahmed S. Elwakil (J. Circuits Syst. Comput., 2008)

Fractional-Order Sinusoidal Oscillators: Design Procedure and Practical Examples. - Ahmed Gomaa Radwan; Ahmed S. Elwakil; Ahmed M. Soliman (IEEE Trans. Circuits Syst. I Regul. Pap., 2008)

A low frequency oscillator structure. - Ahmed S. Elwakil; Serdar Özoguz (ECCTD, 2009)

Implementation of a Chaotically Encrypted Wireless Communication System. - Asmaa Abid; Qassim Nasir; Ahmed S. Elwakil (ICC, 2009)

On the two-port network classification of Colpitts oscillators. - Ahmed S. Elwakil (IET Circuits Devices Syst., 2009)

On the Nonlinear Modeling of Ring oscillators. - Ahmed S. Elwakil; Khaled N. Salama (J. Circuits Syst. Comput., 2009)

On the Generalization of Second-Order Filters to the fractional-Order Domain. - Ahmed G. Radwan; Ahmed S. Elwakil; Ahmed M. Soliman (J. Circuits Syst. Comput., 2009)

Towards the realization of fractional step filters. - Todd J. Freeborn; Brent Maundy; Ahmed S. Elwakil (ISCAS, 2010)

Design of non-balanced cross-coupled oscillators with no matching requirements. - Ahmed S. Elwakil (IET Circuits Devices Syst., 2010)

Field programmable analogue array implementation of fractional step filters. - Todd J. Freeborn; Brent Maundy; Ahmed S. Elwakil (IET Circuits Devices Syst., 2010)

Implementation of an Encrypted Wireless Communication System Using Nested Chaotic Maps. - A. M. Abid; Qassim Nasir; Ahmed S. Elwakil (Int. J. Bifurc. Chaos, 2010)

On the two-port network analysis of common amplifier topologies. - Ahmed S. Elwakil; Brent Maundy (Int. J. Circuit Theory Appl., 2010)

Sinusoidal oscillators with lower gain requirements at higher frequencies based on an explicit tanh(x) nonlinearity. - Ahmed S. Elwakil; Serdar Özoguz; Khaled N. Salama (Int. J. Circuit Theory Appl., 2010)

A Non-Conservative Model of Second-Order RC sinusoidal oscillators. - Ahmed S. Elwakil (J. Circuits Syst. Comput., 2010)

Higher Dimensional Models of Cross-Coupled oscillators and Application to Design. - Ahmed S. Elwakil; Khaled N. Salama (J. Circuits Syst. Comput., 2010)

Experimental technique for estimating the dispersion coefficient of a constant phase element. - Ahmed S. Elwakil; Brent Maundy (ECCTD, 2011)

The generalized exponential function and fractional trigonometric identities. - Ahmed G. Radwan; Ahmed S. Elwakil (ECCTD, 2011)

Experimental Validation of Pseudo True Random Number Generation and Synchronization using Nested Linear Chaotic Maps based on TMS320C6416. - Qassim Nasir; A. M. Abid; Ahmed S. Elwakil (PECCS, 2011)

All possible second-order four-impedance two-stage Colpitts oscillators. - Ahmed S. Elwakil; Muhammad Ali Al-Radhawi (IET Circuits Devices Syst., 2011)

Ring oscillator structures with explicitly separated nonlinearity. - Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2011)

On the practical realization of higher-order filters with fractional stepping. - Brent Maundy; Ahmed S. Elwakil; Todd J. Freeborn (Signal Process., 2011)

Transient-Time Fractional-Space Trigonometry and Application. - Ahmed Gomaa Radwan; Ahmed S. Elwakil (ICONIP (1), 2012)

Improved Cole-Cole parameter extraction from frequency response using least squares fitting. - Todd J. Freeborn; Brent Maundy; Ahmed S. Elwakil (ISCAS, 2012)

On the Realization of Multiphase Oscillators Using Fractional-Order Allpass Filters. - Brent J. Maundy; Ahmed S. Elwakil; Stephan J. G. Gift (Circuits Syst. Signal Process., 2012)

High-quality factor asymmetric-slope band-pass filters: A fractional-order capacitor approach. - Peyman Ahmadi; Brent Maundy; Ahmed S. Elwakil; Leonid Belostotski (IET Circuits Devices Syst., 2012)

An expression for the voltage response of a current-excited fractance device based on fractional-order trigonometric identities. - Ahmed G. Radwan; Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2012)

Accurate time domain extraction of supercapacitor fractional-order model parameters. - Todd J. Freeborn; Brent Maundy; Ahmed S. Elwakil (ISCAS, 2013)

Simplifying Cole-impedance extraction from the current-excited step response. - Todd J. Freeborn; Brent Maundy; Ahmed S. Elwakil (MWSCAS, 2013)

Design of fractional notch filter with asymmetric slopes and large values of notch magnitude. - Akshay Marathe; Brent Maundy; Ahmed S. Elwakil (MWSCAS, 2013)

Guest Editorial Fractional-Order Circuits and Systems. - Ahmed S. Elwakil; Brent Maundy; Luigi Fortuna; Guanrong Chen (IEEE J. Emerg. Sel. Topics Circuits Syst., 2013)

Measurement of Supercapacitor Fractional-Order Model Parameters From Voltage-Excited Step Response. - Todd J. Freeborn; Brent Maundy; Ahmed S. Elwakil (IEEE J. Emerg. Sel. Topics Circuits Syst., 2013)

A Simple Model of Double-Loop Hysteresis Behavior in Memristive Elements. - Ahmed S. Elwakil; Mohamed E. Fouda; Ahmed Gomaa Radwan (IEEE Trans. Circuits Syst. II Express Briefs, 2013)

Clock-Driven Chaotic Pulse-Width Generators: An Overview and Demonstration of Power Supply Attack. - Ahmed S. Elwakil (Int. J. Bifurc. Chaos, 2014)

Mapping of circuit variables into two-port network variables in basic amplifier structures: identifying new topologies. - Ahmed S. Elwakil; Brent Maundy; M. A. Murtada (Int. J. Circuit Theory Appl., 2014)

Extracting the parameters of the double-dispersion Cole bioimpedance model from magnitude response measurements. - Todd J. Freeborn; Brent Maundy; Ahmed S. Elwakil (Medical Biol. Eng. Comput., 2014)

Single Transistor Active Filters: What is Possible and What is Not. - Ahmed S. Elwakil; Brent J. Maundy (IEEE Trans. Circuits Syst. I Regul. Pap., 2014)

Series and parallel circuit models containing memristors and inverse memristors. - Mohamed E. Fouda; Ahmed G. Radwan; Ahmed S. Elwakil (ICECS, 2015)

Review of the missing mechanical element: Memdamper. - Mohamed E. Fouda; Ahmed G. Radwan; Ahmed S. Elwakil; N. K. Nawayseh (ICECS, 2015)

Digitally programmed fractional-order Chebyshev filters realizations using current-mirrors. - Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil (ISCAS, 2015)

Extracting the parameters of the single-dispersion Cole bioimpedance model using a magnitude-only method. - Brent J. Maundy; Ahmed S. Elwakil; Anis Allagui (Comput. Electron. Agric., 2015)

Pinched hysteresis with inverse-memristor frequency characteristics in some nonlinear circuit elements. - Mohamed E. Fouda; Ahmed S. Elwakil; Ahmed Gomaa Radwan (Microelectron. J., 2015)

Second order bandstop and bandpass filters using transformers. - Brent J. Maundy; Ahmed S. Elwakil (Microelectron. J., 2015)

Aging effect on apples bio-impedance using AD5933. - Ahmed AboBakr; Ahmed G. Radwan; Ahmed H. Madian; Ahmed S. Elwakil (ACTEA, 2016)

Analysis of a rectifier circuit realized with a fractional-order capacitor. - Todd J. Freeborn; Ahmed S. Elwakil; Costas Psychalinos (ICM, 2016)

Improved method to determine supercapacitor metrics from highpass filter response. - Brent J. Maundy; Ahmed S. Elwakil; Todd J. Freeborn; Anis Allagui (ICM, 2016)

Determination of supercapacitor metrics using a magnitude-only method. - Brent J. Maundy; Ahmed S. Elwakil; Todd J. Freeborn; Anis Allagui (ISCAS, 2016)

Switched-current fractional-order filter designs. - Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil (ISCAS, 2016)

Electrode location impact on cole-impedance parameters using magnitude-only measurements. - Todd J. Freeborn; Ahmed S. Elwakil; Brent Maundy (MWSCAS, 2016)

Factors impacting accurate Cole-impedance extractions from magnitude-only measurements. - Todd J. Freeborn; Ahmed S. Elwakil; Brent Maundy (SMC, 2016)

A fractional-order dynamic PV model. - Amr M. AbdelAty; Ahmed G. Radwan; Ahmed S. Elwakil; Costas Psychalinos (TSP, 2016)

Experimental verification of filters using fractional-order capacitor and inductor emulators. - Ilias Dimeas; Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil (TSP, 2016)

Indirect Realization of the Imaginary Resistor jR. - Ahmed S. Elwakil; Brent J. Maundy (Circuits Syst. Signal Process., 2016)

Approximated Fractional-Order Inverse Chebyshev Lowpass Filters. - Todd J. Freeborn; Ahmed S. Elwakil; Brent Maundy (Circuits Syst. Signal Process., 2016)

Guest Editorial: Fractional-Order Circuits and Systems: Theory, Design, and Applications. - Costas Psychalinos; Ahmed S. Elwakil; Ahmed G. Radwan; Karabi Biswas (Circuits Syst. Signal Process., 2016)

Switched-Capacitor Fractional-Step Butterworth Filter Design. - Costas Psychalinos; Georgia Tsirimokou; Ahmed S. Elwakil (Circuits Syst. Signal Process., 2016)

Calculating output impedance in linear networks without source nulling or load disconnect: the instantaneous output impedance. - Ahmed S. Elwakil; Brent J. Maundy (Int. J. Circuit Theory Appl., 2016)

On a class of cross coupled fully differential filters. - Brent J. Maundy; Ahmed S. Elwakil; Stephan J. G. Gift (Int. J. Circuit Theory Appl., 2016)

Analysis and realization of a switched fractional-order-capacitor integrator. - Costas Psychalinos; Ahmed S. Elwakil; Brent Maundy; Anis Allagui (Int. J. Circuit Theory Appl., 2016)

Emulation of current excited fractional-order capacitors and inductors using OTA topologies. - Georgia Tsirimokou; Costas Psychalinos; Todd J. Freeborn; Ahmed S. Elwakil (Microelectron. J., 2016)

A New Second-Order All-Pass Filter in 130-nm CMOS. - Peyman Ahmadi; Brent Maundy; Ahmed S. Elwakil; Leonid Belostotski; Arjuna Madanayake (IEEE Trans. Circuits Syst. II Express Briefs, 2016)

Design of a Portable Low-Cost Impedance Analyzer. - Abdulwadood A. Al-Ali; Ahmed S. Elwakil; Abdelaziz Ahmad; Brent Maundy (BIODEVICES, 2017)

OTA-C realization of PIλ brake and throttle controllers for autonomous vehicles. - Ilias Dimeas; Costas Psychalinos; Ahmed S. Elwakil; Aleksei Tepljakov (ECCTD, 2017)

Modelling supercapacitors leakage behaviour using a fractional-order model. - Todd J. Freeborn; Anis Allagui; Ahmed S. Elwakil (ECCTD, 2017)

Analysis and experimental verification of a fractional-order Hartley oscillator. - Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil; Brent J. Maundy (ECCTD, 2017)

Design of a wood tissue impedance emulator in monolithic form. - Costas Vastarouchas; Georgia Tsirimokou; Todd J. Freeborn; Costas Psychalinos; Ahmed S. Elwakil (ECCTD, 2017)

Variability of supercapacitor fractional-order parameters extracted from discharging behavior using least squares optimization. - Todd J. Freeborn; Ahmed S. Elwakil (ISCAS, 2017)

FPGA realization of Caputo and Grünwald-Letnikov operators. - Mohamed F. Tolba 002; Amr M. AbdelAty; Lobna A. Said; Ahmed S. Elwakil; Ahmad Taher Azar; Ahmed H. Madian; Adel Ouannas; Ahmed G. Radwan (MOCAST, 2017)

Synthesis and analysis of fully differential filters using two port networks. - Brent J. Maundy; Ahmed S. Elwakil; Abdulwadood A. Al-Ali; Leonid Belostotski (MWSCAS, 2017)

All-Pass Filter Based Synthesis of Multifunctional Microwave Active Circuits. - Nilan Udayanga; Arjuna Madanayake; Chamith Wijenayake; Peyman Ahmadi; Leonid Belostotski; Brent Maundy; Len T. Bruton; Ahmed S. Elwakil (VTC Spring, 2017)

CMOS Realization of All-Positive Pinched Hysteresis Loops. - Brent J. Maundy; Ahmed S. Elwakil; Costas Psychalinos (Complex., 2017)

Low-voltage commercial super-capacitor response to periodic linear-with-time current excitation: a case study. - Ahmed S. Elwakil; Ahmed G. Radwan; Todd J. Freeborn; Anis Allagui; Brent J. Maundy; Mohamed E. Fouda (IET Circuits Devices Syst., 2017)

Minimal two-transistor multifunction filter design. - Brent J. Maundy; Ahmed S. Elwakil; Serdar Özoguz; Hacer Atar Yildiz (Int. J. Circuit Theory Appl., 2017)

Fractional-order electronically controlled generalized filters. - Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2017)

Experimental Verification of Fractional-Order Filters Using a Reconfigurable Fractional-Order Impedance Emulator. - Ilias Dimeas; Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil (J. Circuits Syst. Comput., 2017)

The common-base differential amplifier and applications revisited. - Brent Maundy; Serdar Özoguz; Ahmed S. Elwakil; Stephan J. G. Gift (Microelectron. J., 2017)

Design and Implementation of a Bio-Impedance Analyzer Based on the Kramers-Kronig Transform. - Abdulwadood A. Al-Ali; Brent J. Maundy; Ahmed S. Elwakil (ISCAS, 2018)

Fractional-Order Differentiators and Integrators with Reduced Circuit Complexity. - Panagiotis Bertsias; Leila Safari; Shahram Minaei; Ahmed S. Elwakil; Costas Psychalinos (ISCAS, 2018)

Supercapacitor Fractional-Order Model Discharging from Polynomial Time-Varying Currents. - Todd J. Freeborn; Ahmed S. Elwakil; Anis Allagui (ISCAS, 2018)

Fractional-Order Model of a Commercial Ear Simulator. - Costas Vastarouchas; Costas Psychalinos; Ahmed S. Elwakil (ISCAS, 2018)

Bio-impedance Measurements with Phase Extraction using the Kramers-Kronig transform: Application to Strawberry Aging. - Abdulwadood A. Al-Ali; Ahmed S. Elwakil; Brent J. Maundy (MWSCAS, 2018)

A 28 GHz Q-Tunable Fully Differential Bandpass Filter in 65-nm CMOS Technology. - Mohamed B. Elamien; Brent J. Maundy; Leonid Belostotski; Ahmed S. Elwakil (MWSCAS, 2018)

Synthesis of a Family of Differential Cross-coupled Oscillators and Design Application. - Brent J. Maundy; Ahmed S. Elwakil; Mohamed B. Elamien; A. Al-Hammadi (MWSCAS, 2018)

On a Class of Quadrature Phase Oscillators using Differential pairs. - Brent J. Maundy; Ahmed S. Elwakil; Costas Psychalinos (MWSCAS, 2018)

Fractional-Order Multiphase Sinusoidal Oscillator Design Using Current-Mirrors. - Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil; Brent Maundy (TSP, 2018)

Extraction of Phase Information from Magnitude-Only Bio-impedance Measurements Using a Modified Kramers-Kronig Transform. - Abdulwadood A. Al-Ali; Ahmed S. Elwakil; Brent Maundy; Todd J. Freeborn (Circuits Syst. Signal Process., 2018)

High-Frequency Capacitorless Fractional-Order CPE and FI Emulator. - Panagiotis Bertsias; Costas Psychalinos; Ahmed G. Radwan; Ahmed S. Elwakil (Circuits Syst. Signal Process., 2018)

Minimization of Spread of Time-Constants and Scaling Factors in Fractional-Order Differentiator and Integrator Realizations. - Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil (Circuits Syst. Signal Process., 2018)

Simple MOS-based circuit designed to show pinched hysteresis behavior. - Brent Maundy; Ahmed S. Elwakil; Costas Psychalinos (Int. J. Circuit Theory Appl., 2018)

Transient and Steady-State Response of a Fractional-Order Dynamic PV Model Under Different Loads. - Amr M. AbdelAty; Ahmed Gomaa Radwan; Ahmed S. Elwakil; Costas Psychalinos (J. Circuits Syst. Comput., 2018)

Approximation of the Fractional-Order Laplacian sα as a Weighted Sum of First-Order High-Pass Filters. - Amr M. AbdelAty; Ahmed S. Elwakil; Ahmed Gomaa Radwan; Costas Psychalinos; Brent Maundy (IEEE Trans. Circuits Syst. II Express Briefs, 2018)

Electronically Tunable Fully Integrated Fractional-Order Resonator. - Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil; Khaled N. Salama (IEEE Trans. Circuits Syst. II Express Briefs, 2018)

Toward Portable Bio-impedance devices. - Ahmed AboBakr; Menna Mohsen; Lobna A. Said; Ahmed H. Madian; Ahmed S. Elwakil; Ahmed G. Radwan (ACTEA, 2019)

Heating and Freezing Injury to Plant Tissues and Their Effect on Bioimpedance: Experimental Study. - Mostafa A. Mousa; Ahmed AboBakr; Lobna A. Said; Ahmed H. Madian; Ahmed S. Elwakil; Ahmed G. Radwan (ACTEA, 2019)

On the Implementation of a Rotated Chaotic Lorenz System on FPGA. - Hammam Orabi; Mohammed Elnawawy; Assim Sagahyroon; Fadi A. Aloul; Ahmed S. Elwakil; Ahmed G. Radwan (APCCAS, 2019)

Fractional-Order Mihalas-Niebur Neuron Model Implementation Using Current-Mirrors. - Panagiotis Bertsias; Costas Psychalinos; Ahmed S. Elwakil (CoDIT, 2019)

8-GHz Low-Power Voltage-Mode Second-Order Allpass Filter in 65-nm CMOS. - Mohamed B. Elamien; Ahmed S. Elwakil; Brent J. Maundy; Leonid Belostotski (ICECS, 2019)

A Wideband Delay-Tunable Fully Differential Allpass Filter in 65-nm CMOS Technology. - Mohamed B. Elamien; Brent J. Maundy; Leonid Belostotski; Ahmed S. Elwakil; Soliman A. Mahmoud (ISCAS, 2019)

Simple MOS Transistor-Based Realization of Fractional-Order Capacitors. - Mohammed E. Fouda; Ahmed AboBakr; Ahmed S. Elwakil; Ahmed G. Radwan; Ahmed M. Eltawil (ISCAS, 2019)

On the realization of Current-Mode Fractional-order Simulated Inductors. - Kareem H. Khattab; Ahmed H. Madian; Ahmed S. Elwakil; Ahmed G. Radwan (ISSPIT, 2019)

Simple Multi-Function Fractional-Order Filter Designs. - Panagiotis Bertsias; Costas Psychalinos; Ahmed S. Elwakil; Brent J. Maundy (MOCAST, 2019)

Cole-Cole Bio-Impedance Parameters Extraction From a Single Time-Domain Measurement. - Stavroula Kapoulea; Amr M. AbdelAty; Ahmed S. Elwakil; Costas Psychalinos; Ahmed G. Radwan (MOCAST, 2019)

Single-Transistor Second-Order Allpass Filters. - Mohamed B. Elamien; Brent J. Maundy; Leonid Belostotski; Ahmed S. Elwakil (MWSCAS, 2019)

An Ultra-Low Power Wide-Band Single-Transistor Second-Order Allpass Filter in 65nm CMOS. - Mohamed B. Elamien; Brent J. Maundy; Leonid Belostotski; Ahmed S. Elwakil (MWSCAS, 2019)

Using Meta-heuristic Optimization to Extract Bio-impedance Parameters from an Oscillator Circuit. - Menna Mohsen; Lobna A. Said; Ahmed H. Madian; Ahmed S. Elwakil; Ahmed G. Radwan (NEWCAS, 2019)

Electronically Tunable Implementation of the Arterial Viscoelasticity Model. - Vassilis Alimisis; Panagiotis Bertsias; Costas Psychalinos; Ahmed S. Elwakil (TSP, 2019)

Log-Domain Implementation of Fractional-Order Element Emulators. - Panagiotis Bertsias; Costas Psychalinos; Ahmed S. Elwakil; Ahmed G. Radwan (TSP, 2019)

Design of Fractional-Order Emulator of the Cardiac Tissue Electrode Interface. - Zoi Papachristopoulou; Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil (TSP, 2019)

Design of Fractional-Order Differentiator-Lowpass Filters for Extracting the R peaks in ECG Signals. - Constantinos Vasi; Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil; Lobna A. Said (TSP, 2019)

Cole Bio-Impedance Model Variations in $Daucus Carota Sativus$ Under Heating and Freezing Conditions. - Bahaaaldeen M. Aboalnaga; Lobna A. Said; Ahmed H. Madian; Ahmed S. Elwakil; Ahmed G. Radwan (IEEE Access, 2019)

Chaotic Flower Pollination and Grey Wolf Algorithms for parameter extraction of bio-impedance models. - Dalia Yousri; Amr M. AbdelAty; Lobna A. Said; Ahmed S. Elwakil; Brent Maundy; Ahmed G. Radwan (Appl. Soft Comput., 2019)

Hardware Optimized FPGA Implementations of High-Speed True Random Bit Generators Based on Switching-Type Chaotic Oscillators. - Talal Bonny; Ridhwan Al Debsi; Sohaib Majzoub; Ahmed S. Elwakil (Circuits Syst. Signal Process., 2019)

Rates and Effects of Local Minima on Fractional-Order Circuit Model Parameters Extracted from Supercapacitor Discharging Using Least Squares Optimization. - Todd J. Freeborn; Ahmed S. Elwakil (Circuits Syst. Signal Process., 2019)

Two-Dimensional Rotation of Chaotic Attractors: Demonstrative Examples and FPGA Realization. - Wafaa S. Sayed; Ahmed Gomaa Radwan; Mohammed Elnawawy; Hammam Orabi; Assim Sagahyroon; Fadi A. Aloul; Ahmed S. Elwakil; Hossam A. H. Fahmy; Abdel-Latif El-Sedeek (Circuits Syst. Signal Process., 2019)

Third-order tunable-phase asymmetric cross-coupled oscillator. - Brent Maundy; Ahmed S. Elwakil (IET Circuits Devices Syst., 2019)

Partial fraction expansion-based realizations of fractional-order differentiators and integrators using active filters. - Panagiotis Bertsias; Costas Psychalinos; Brent J. Maundy; Ahmed S. Elwakil; Ahmed G. Radwan (Int. J. Circuit Theory Appl., 2019)

Commercial supercapacitor parameter estimation from step voltage excitation. - Mohammed E. Fouda; Ahmed S. Elwakil; Anis Allagui (Int. J. Circuit Theory Appl., 2019)

Enhancing the improved Howland circuit. - Brent J. Maundy; Ahmed S. Elwakil; Stephan J. G. Gift (Int. J. Circuit Theory Appl., 2019)

A voltage tunable CMOS differential active resistor and its application. - Brent J. Maundy; Ahmed S. Elwakil; Domenico Zito (Int. J. Circuit Theory Appl., 2019)

Realizations of simple fractional-order capacitor emulators with electronically-tunable capacitance. - Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil (Integr., 2019)

Low-voltage and low-power fractional-order parallel tunable resonator. - Panagiotis Bertsias; Costas Psychalinos; Ahmed S. Elwakil; Ahmed G. Radwan (Microelectron. J., 2019)

Design and application examples of CMOS fractional-order differentiators and integrators. - Panagiotis Bertsias; Costas Psychalinos; Ahmed S. Elwakil; Leila Safari; Shahram Minaei (Microelectron. J., 2019)

Editorial note Special Issue on the Design and implementation of fractional-order circuits and systems in real-world applications. - Costas Psychalinos; Ahmed S. Elwakil; Brent Maundy; Ahmed G. Radwan (Microelectron. J., 2019)

Comprehensive comparison based on meta-heuristic algorithms for approximation of the fractional-order Laplacian sα as a weighted sum of first-order high-pass filters. - Dalia Yousri; Amr M. AbdelAty; Ahmed G. Radwan; Ahmed S. Elwakil; Costas Psychalinos (Microelectron. J., 2019)

Correlation Between the Theory of Lissajous Figures and the Generation of Pinched Hysteresis Loops in Nonlinear Circuits. - Brent Maundy; Ahmed S. Elwakil; Costas Psychalinos (IEEE Trans. Circuits Syst. I Regul. Pap., 2019)

Fractional-Order Complementary Filters for Sensor Applications. - Panagiotis Bertsias; Costas Psychalinos; Ahmed S. Elwakil (ISCAS, 2020)

Fractional-Order Shelving Filter Designs for Acoustic Applications. - Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil (ISCAS, 2020)

Low-Power Single-Transistor Voltage-Mode Third-Order All-pass Filter in 65-nm CMOS. - Mohamed B. Elamien; Brent J. Maundy; Leonid Belostotski; Ahmed S. Elwakil (MWSCAS, 2020)

Simple Implementations of the Cole-Cole Models. - Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil (NILES, 2020)

Pinched Hysteresis Loops In Nonlinear Resonators. - Ahmed S. Elwakil; Mohamed E. Fouda; Sohaib Majzoub; Ahmed G. Radwan (CoRR, 2020)

Design and Implementation of an Optimized Artificial Human Eardrum Model. - Panagiotis Bertsias; Menna Mohsen; Lobna A. Said; Ahmed S. Elwakil; Costas Psychalinos; Ahmed G. Radwan (Circuits Syst. Signal Process., 2020)

Generalized Fully Adjustable Structure for Emulating Fractional-Order Capacitors and Inductors of Orders less than Two. - Stavroula Kapoulea; Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil (Circuits Syst. Signal Process., 2020)

Wideband third-order single-transistor all-pass filter. - Mohamed B. Elamien; Brent J. Maundy; Leonid Belostotski; Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2020)

Single transistor RC-only second-order allpass filters. - Brent J. Maundy; Ahmed S. Elwakil; Leonid Belostotski; Norbert Herencsar (Int. J. Circuit Theory Appl., 2020)

FPGA implementation of a chaotic oscillator with odd/even symmetry and its application. - Mohamed F. Tolba 002; Ahmed S. Elwakil; Hammam Orabi; Mohammed Elnawawy; Fadi A. Aloul; Assim Sagahyroon; Ahmed G. Radwan (Integr., 2020)

Automatic Generation of Differential-Input Differential-Output Second-Order Filters Based on a Differential Pair. - Brent J. Maundy; Ahmed S. Elwakil; Leonid Belostotski (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 2020)

A Wideband 24-29 GHz Differential All-Pass Filter in 65-nm CMOS. - Mohamed B. Elamien; Brent J. Maundy; Leonid Belostotski; Ahmed S. Elwakil (ISCAS, 2021)

On the Realization of Power-Law Based Impedance Functions: Application to Edible Drinks. - Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil (MOCAST, 2021)

Reduced Active Element Power-Law Proportional-Integral Controller Designs. - Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil (NILES, 2021)

Electronically Tunable Realization of the Three-Element Arterial Windkessel Model. - Kleoniki Baxevanaki; Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil (TSP, 2021)

FPGA Realizations of Chaotic Epidemic and Disease Models Including Covid-19. - Mohammed Elnawawy; Fadi A. Aloul; Assim Sagahyroon; Ahmed S. Elwakil; Wafaa S. Sayed; Lobna A. Said; Sara M. Mohamed; Ahmed G. Radwan (IEEE Access, 2021)

Fractional-Order and Power-Law Shelving Filters: Analysis and Design Examples. - Stavroula Kapoulea; Abdullah Yesil; Costas Psychalinos; Shahram Minaei; Ahmed S. Elwakil; Panagiotis Bertsias (IEEE Access, 2021)

Fractional-Order Bio-Impedance Modeling for Interdisciplinary Applications: A Review. - Menna Mohsen; Lobna A. Said; Ahmed H. Madian; Ahmed G. Radwan; Ahmed S. Elwakil (IEEE Access, 2021)

Fractional-Order Inductor: Design, Simulation, and Implementation. - Li Zhang 098; Aslihan Kartci; Ahmed S. Elwakil; Hakan Bagci 001; Khaled N. Salama (IEEE Access, 2021)

Novel Double-Dispersion Models Based on Power-Law Filters. - Stavroula Kapoulea; Ahmed S. Elwakil; Costas Psychalinos; Abdulwadood A. Al-Ali (Circuits Syst. Signal Process., 2021)

Double Exponent Fractional-Order Filters: Approximation Methods and Realization. - Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil (Circuits Syst. Signal Process., 2021)

Pinched hysteresis loops in non-linear resonators. - Ahmed S. Elwakil; Mohammed E. Fouda; Sohaib Majzoub; Ahmed G. Radwan (IET Circuits Devices Syst., 2021)

Announcement of the 2020 Best Paper Award. - Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2021)

Passive approximations of double-exponent fractional-order impedance functions. - Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2021)

Realizations of fractional-order PID loop-shaping controller for mechatronic applications. - Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil; S. Hassan HosseinNia (Integr., 2021)

On The Equivalent Impedance of Two-Impedance Self-Similar Ladder Networks. - Ahmed S. Elwakil; Anis Allagui; Costas Psychalinos (IEEE Trans. Circuits Syst. II Express Briefs, 2021)

Analog Circuit Design Using Symbolic Math Toolboxes: Demonstrative Examples. - Mohamed B. Elamien; Brent J. Maundy; Leonid Belostotski; Ahmed S. Elwakil (IEEE Trans. Very Large Scale Integr. Syst., 2021)

Impedance Measurement Using Wide-Band Signals. - M. El-Badi; Ahmed S. Elwakil; Sohaib Majzoub (ICECS 2022, 2022)

Generalized Non-Integer Order Multi-Phase Sinusoidal Oscillator Designs. - Stavroula Kapoulea; Costas Psychalinos; Ahmed S. Elwakil; Brent Maundy (ICECS 2022, 2022)

Body Mass Composition Measurements Using a Portable Device. - B. Daou; M. Elbadi; A. Alkaisi; Ahmed S. Elwakil (NILES, 2022)

Time-Frequency Design of a Multi-Sine Excitation With Random Phase and Controllable Amplitude for (Bio) Impedance Measurements. - Sohaib Majzoub; Anis Allagui; Ahmed S. Elwakil (IEEE Access, 2022)

Numerical Sensitivity Analysis and Hardware Verification of a Transiently-Chaotic Attractor. - Wafaa S. Sayed; Sara M. Mohamed; Ahmed S. Elwakil; Lobna A. Said; Ahmed G. Radwan (Int. J. Bifurc. Chaos, 2022)

Estimating phase error using a Hilbert transform-based time-domain technique. - Abdulwadood A. Al-Ali; Ahmed S. Elwakil; Brent J. Maundy; Anis Allagui; Mohamed B. Elamien (Int. J. Circuit Theory Appl., 2022)

Fractional-order controllers for switching DC/DC converters using the K-factor method: Analysis and circuit realization. - Ekrem Cengelci; Muhammet Garip; Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2022)

Editorial and call for best paper award nominations. - Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2022)

2021 best paper award winners. - Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2022)

Second-order cascode-based filters. - Mohamed B. Elamien; Brent J. Maundy; Ahmed S. Elwakil; Leonid Belostotski (Integr., 2022)

Synthesis of resonance-based common-gate fully differential band-pass filters. - Ahmed S. Elwakil; Brent J. Maundy; Costas Psychalinos; Mohamed B. Elamien (Integr., 2022)

Plant Tissue Modelling Using Power-Law Filters. - Samar I. Gadallah; Mohamed S. Ghoneim; Ahmed S. Elwakil; Lobna A. Said; Ahmed H. Madian; Ahmed G. Radwan (Sensors, 2022)

Using Non-Autonomous Chaotic Clocks to Drive CPA-Resistant AES Cryptographic Chips. - Ali A. El-Moursy; Abdollah Masoud Darya; Sohaib Majzoub; Ahmed S. Elwakil (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

Chaotic Clock Driven Cryptographic Chip: Towards a DPA Resistant AES Processor. - Ali A. El-Moursy; Abdollah Masoud Darya; Ahmed S. Elwakil; Abhinand Jha; Sohaib Majzoub (IEEE Trans. Emerg. Top. Comput., 2022)

Extended Instantaneous Spectral Analysis (E-ISA) for Advanced Signal Processing. - Amr Elsonbaty; Anis Allagui; Ahmed S. Elwakil (IEEE Trans. Instrum. Meas., 2022)

Fast Electrochemical Impedance Measurement and Classification System Based on Machine Learning Algorithms. - M. El-Badi; Ahmed S. Elwakil; Sohaib Majzoub (ICECS, 2023)

Observation of a Pinched-Loop in a Current-Excited Inductive Circuit. - Ahmed S. Elwakil; Costas Psychalinos; Brent J. Maundy; Anis Allagui (ISCAS, 2023)

Modified Pre-Processing Stage for Improving the Noise Immunity of the Pan-Tompkins Algorithm. - Julia Nako; Costas Psychalinos; Ahmed S. Elwakil (MOCAST, 2023)

Compact Structure for Implementing Elementary Fractional-Order Filter Functions. - Julia Nako; Costas Psychalinos; Ahmed S. Elwakil (TSP, 2023)

Design of Complex-Order PI/PID Speed Controllers and its FPAA Realization. - Mary Ann George; Ahmed S. Elwakil; Anis Allagui; Costas Psychalinos (IEEE Access, 2023)

Design of Higher-Order Fractional Filters With Fully Controllable Frequency Characteristics. - Julia Nako; Costas Psychalinos; Ahmed S. Elwakil; Drazen Jurisic (IEEE Access, 2023)

Non-Integer Order Generalized Filters Designs. - Julia Nako; Costas Psychalinos; Ahmed S. Elwakil; Shahram Minaei (IEEE Access, 2023)

Fractional-order inverse filters revisited: Equivalence with fractional-order controllers. - Panagiotis Bertsias; Costas Psychalinos; Shahram Minaei; Abdullah Yesil; Ahmed S. Elwakil (Microelectron. J., 2023)

On the possible realization of a complex-order capacitive impedance and its applications. - Ahmed S. Elwakil; Costas Psychalinos; Brent Maundy; Anis Allagui (Int. J. Circuit Theory Appl., 2023)

Time-Domain and Frequency-Domain Mappings of Voltage-to-Charge and Charge-to-Voltage in Capacitive Devices. - Anis Allagui; Ahmed S. Elwakil; Chunlei Wang (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

A Note on the Analysis of Two-Coil Wireless Power Transfer Systems. - Ahmed S. Elwakil; Brent Maundy; Anis Allagui (Circuits Syst. Signal Process., 2023)

Further Experimental Evidence of the Dead Matter Has Memory Conjecture in Capacitive Devices. - Anis Allagui; Di Zhang; Ahmed S. Elwakil (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

A New Class of Nonlinear Resonance Networks Modeled by Levinson-Smith and Liénard Equations. - Ahmed S. Elwakil; Anis Allagui; Costas Psychalinos; Brent J. Maundy (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

Complex-Order Single-Dispersion Models. - Mary Ann George; Ahmed S. Elwakil; Anis Allagui; Julia Nako; Costas Psychalinos (NILES, 2024)

Design of Generalized Frequency Domain Exponential Filters. - Julia Nako; Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil (NILES, 2024)

Bilinear Double-Order Filter Designs and Application Examples. - Julia Nako; Costas Psychalinos; Fabian Khateb; Ahmed S. Elwakil (IEEE Access, 2024)

Reduced Complexity Approximation and Design of Gaussian Impulse Response Filters and Wavelets. - Julia Nako; Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil; Brent J. Maundy; Panagiotis Bertsias (IEEE Access, 2024)

Complex-order controller design examples and their implementation. - Julia Nako; Costas Psychalinos; Ahmed S. Elwakil (Int. J. Circuit Theory Appl., 2024)

Chaos in Inter-State-Controlled RLC Networks. - Ahmed S. Elwakil; Anis Allagui; Ahmed Ibrahim El-Mesady; Amr Elsonbaty; Sohaib Majzoub; Brent J. Maundy (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

On the Theory and Application of the Fractional-Order Dirac-Delta Function. - Anis Allagui; Ahmed S. Elwakil (IEEE Trans. Circuits Syst. II Express Briefs, 2024)

Elementary Negative Group Delay Filter Functions. - Julia Nako; Costas Psychalinos; Brent J. Maundy; Ahmed S. Elwakil (Circuits Syst. Signal Process., 2024)

New Third-Order Oscillators Using Two or Three Amplifiers. - Ahmed S. Elwakil; Brent J. Maundy; Costas Psychalinos (Circuits Syst. Signal Process., 2024)

On the realization of an amplifier-tuned low/high frequency family of oscillators. - Ahmed S. Elwakil; Brent J. Maundy; Costas Psychalinos (Int. J. Circuit Theory Appl., 2024)

Using Intermittent Chaotic Clocks to Secure Cryptographic Chips. - Abdollah Masoud Darya; Sohaib Majzoub; Ali A. El-Moursy; Mohamed Wed Eladham; Khalid Javeed; Ahmed S. Elwakil (IEEE Embed. Syst. Lett., 2024)

Novel Generic Two-Amplifier Oscillator Structures. - Brent J. Maundy; Ahmed S. Elwakil; Costas Psychalinos (ISCAS, 2025)

Approximation of First-Order Complex Resonators in the Frequency-Domain. - Julia Nako; Georgia Tsirimokou; Costas Psychalinos; Ahmed S. Elwakil (IEEE Access, 2025)

Third-order resonance networks and their application to chaos generation. - Ahmed S. Elwakil; Brent J. Maundy; Costas Psychalinos; Amr Elsonbaty (Integr., 2025)

Analog filters based on the Mittag-Leffler functions. - Anis Allagui; Ahmed S. Elwakil; Julia Nako; Costas Psychalinos (Signal Process., 2025)

A note on the bandwidth of negative group delay filters. - Julia Nako; Costas Psychalinos; Ahmed S. Elwakil; Brent J. Maundy (Int. J. Circuit Theory Appl., 2025)

Closed-Form Expressions for the Input Impedance of Some 2-D Fractal Circuit Networks. - Ahmed S. Elwakil; Anis Allagui; Mohamed B. Elamien; Costas Psychalinos; Brent Maundy (IEEE Trans. Circuits Syst. II Express Briefs, 2025)

Implementation and Behavior of Basic Filters Involving the Delay Element $e^{- sqrt{ tau s}}$. - Julia Nako; Ahmed S. Elwakil; Costas Psychalinos (Circuits Syst. Signal Process., 2025)