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Design of Fractional-Order Integrator Controlled by Single Voltage Gain
(IEEE, 2019-07-01)This work presents analyses of interaction of fractional- and integer-order transfer functions when their responses are added together by simple linear operation of sum. The mathematical background is very complex but ... -
Comparative Study of Op-Amp-based Integrators Suitable for Fractional-Order Controller Design
(IEEE, 2019-07-01)In this paper, a fractional-order capacitor (FOC) of an order = 0.89 (i.e. constant phase angle –80.1 degree) was emulated via Valsa RC network with five branches. The network component values were optimized using modified ... -
Synthesis and Optimization of Fractional-Order Elements Using a Genetic Algorithm
(IEEE, 2019-06-14)This study proposes a new approach for the optimization of phase and magnitude responses of fractional-order capacitive and inductive elements based on the mixed integer-order genetic algorithm (GA), over a bandwidth of ... -
Millimeter Wave Vehicular Channel Emulation: A Framework for Balancing Complexity and Accuracy
(MDPI, 2018-11-16)We propose a general framework for the specification of a sparse representation of millimeter wave vehicular propagation channels and apply this to both synthetic data and real-world observations from channel sounding ... -
CMOS Current Feedback Operational Amplifier-Based Relaxation Generator for Capacity to Voltage Sensor Interface
(MDPI, 2018-12-18)This paper presents a simple relaxation generator, suitable for a sensor interface, operating as a transducer of capacitance to frequency/period. The proposed circuit employs a current feedback operational amplifier, ... -
In-vehicle channel sounding in the 5.8-GHz band
(Springer, 2015-03-10)The article reports vehicular channel measurements in the frequency band of 5.8 GHz for IEEE 802.11p standard. Experiments for both intra-vehicle and out-of-vehicle environments were carried out. It was observed that the ... -
Strange attractors generated by multiple-valued static memory cell with polynomial approximation of resonant tunneling diodes
(MDPI, 2018-09-12)This paper brings analysis of the multiple-valued memory system (MVMS) composed by a pair of the resonant tunneling diodes (RTD). Ampere-voltage characteristic (AVC) of both diodes is approximated in operational voltage ... -
Fractional-Order Oscillator Design Using Unity-Gain Voltage Buffers and OTAs
(IEEE, 2017-08-06)In this study, a new voltage-mode fractional-order oscillator using two unity-gain voltage buffers, two operational transconductance amplifiers, one resistor, and two capacitors is presented. The design procedure of ... -
Electronically Reconfigurable Universal Filter Based on VDTAs
(IEEE, 2018-04-19)The proposed filter extends features of the previously presented Voltage Differencing Transconductance Amplifiers (VDTAs)-based frequency filter. It brings the new advantage of an electronic reconfiguration of its transfer. ... -
A Novel Pseudo-Differential Integer/Fractional-Order Voltage-Mode All-Pass Filter
(IEEE, 2018-05-08)The paper presents the first- (integer) and fractional-order case studies of a novel pseudo-differential (P-D) voltage-mode all-pass filter (APF) employing a single differential voltage current conveyor (DVCC), one resistor, ... -
Novel first-order all-pass filter applications of z-copy voltage differencing current conveyor
(NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR), 2015-08-05)The application of z-copy voltage differencing current conveyor (ZC-VDCC) in simple and interesting first-order all-pass sections has been studied in the present paper. The solutions presented here have presumptions for ... -
Dynamical Tangles in Third-Order Oscillator with Single Jump Function
(Hindawi, 2014-09-18)This contribution brings a deep and detailed study of the dynamical behavior associated with nonlinear oscillator described by a single third-order differential equation with scalar jump nonlinearity. The relative primitive ... -
Design and Analysis of CCII-Based Oscillator with Amplitude Stabilization Employing Optocouplers for Linear Voltage Control of the Output Frequency
(MDPI, 2018-08-22)This paper shows the topology design of a simple second-order oscillator based on two three-port current conveyors, two resistors, and two grounded capacitors, as well as its modification to a voltage-controlled oscillator ... -
Practical Design of Fractional-Order Oscillator Employing Simple Resonator and Negative Resistor
(IEEE, 2018-11-08)This contribution presents straightforward design of a fractional-order oscillator employing novel simple impedance inverter (implementing differential voltage current conveyor transconductance amplifier as active element) ... -
Analysis and Verification of Identical-Order Mixed-Matrix Fractional-Order Capacitor Networks
(IEEE, 2018-07-02)In the open literature while capacitors are introduced with -90 degrees phase angle, here we described our fabricated polymer composite, mixed matrix, as a fractional-order capacitor (FoC). The effect on phase and ... -
Fractional-Order Hartley Oscillator
(IEEE, 2018-07-02)A fractional-order capacitor (FOC) is developed using a Molybdenum disulfide ferroelectric polymer composite. The fabricated FOC exhibits constant phase over five decades between 100 Hz-10 MHz, which is the broadest operating ... -
New chaotic dynamical system with a conic-shaped equilibrium located on the plane structure
(MDPI, 2017-09-22)This paper presents a new autonomous deterministic dynamical system with equilibrium degenerated into a plane-oriented hyperbolic geometrical structure. It is demonstrated via numerical analysis and laboratory experiments ... -
Performance Analysis of Hybrid FSO Systems Using FSO/RF-FSO Link Adaptation
(IEEE, 2018-05-16)Free-space optical (FSO) links are considered as cost-effective, non-invasive alternative to fiber optic cables for 5G cellular backhaul networking. For FSO based backhaul networks we propose an additional millimeter-wavelength ... -
Duality of Complex Systems Built from Higher-Order Elements
(Hindawi, 2018-09-07)The duality of nonlinear systems built from higher-order two-terminal Chua’s elements and independent voltage and current sources is analyzed. Two different approaches are now being generalized for circuits with higher-order ... -
High Efficiency Classes of RF Amplifiers
(International Science and Engineering Society, 2018-02-28)This article is dealing with high efficiency RF amplifiers in modern classes F, E and J. The first part is focused on basic function, main parameters and the output matching topologies of the mentioned classes. Output ...
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