Circuit World

Optoelectronic characterization of laser diodes with different electrode structures

This paper aims to improve the device performance from the perspective of reducing ohmic contact resistance; the effects of different electrode structures and alloying…

A self-powered ultra-low-power intermittent-control SSHI circuit for piezoelectric energy harvesting

Existing control circuits for piezoelectric energy harvesting (PEH) suffers from long startup time or high power consumption. This paper aims to design an ultra-low power…

Effects of additives on via filling and pattern plating with simultaneous electroplating

The purpose of this paper is to solve the issue of via filling and pattern plating simultaneously by concentration optimization of accelerator and leveler in the…

Voltage sag compensation at load side in armor fighting vehicles using ultra capacitor

The purpose of this paper rapid development of various voltage sag compensation techniques in DC bus using ultra-capacitors (UCs) provides satisfactory results when…

Grid-connected solar photovoltaic-fed brushless DC motor drive for water pumping system using colliding body optimization technique

This paper aims to present an improvement to the power quality of the grid by using a colliding body optimization (CBO) based proportional-integral (PI) compensated design…

Hidden multiwing chaotic attractors with multiple stable equilibrium points

The purpose of this paper is to construct a multiwing chaotic system that has hidden attractors with multiple stable equilibrium points. Because the multiwing hidden…

Stability analysis of two port renewable energy interface for telecom applications

The purpose of this paper is to carry out a detailed analysis of two port converter fed by Solar and wind sources during different operational modes by small signal…

Research on circuit analysis and optimization of wireless power transmission system with embedded coil

The wireless power transmission (WPT) system with an embedded coil will achieve a more flexible charging operation and higher system efficiency. However, the comprehensive…

Comparative analysis of dual second-order generalized integrator-phase locked loop based series hybrid filter and static synchronous compensator for load voltage compensation and power quality improvement with grid synchronization in islanded microgrid

The purpose of this study is to eliminate voltage harmonics and instantly measure the positive sequence fundamental voltage during unbalanced grid conditions, the dual…

Optimal location and sizing of various DG units in real distribution substation using heuristic approach

The purpose of the study is distributed generation planning in a radial delivery framework to identify an appropriate location with a suitable rating of DG units energized…

A novel design of N-bit approximate comparator for image processing applications

This paper aims to implement a novel design of approximate comparator which can be suitable for image processing applications.

Intelligent series inducing switching scheme (ISISS) to enhance power delivery in shaded photovoltaic array

The aim of this research study is to mitigate shading impact on solar photovoltaic array. Photovoltaic (PV) array when getting shaded not only results in appreciable power…

Review and design of modular multilevel inverter with modified multicarrier PWM techniques for solar PV applications

These implementations not only generate excessive voltage levels to enhance the quality of power but also include a detailed investigating of the various modulation…

Design of a fractional-order chaotic secure communication circuit based on sliding mode theory and microcontroller

With the development of integrated circuit and communication technology, digital secure communication has become a research hotspot. This paper aims to design a…

Experimental verification of STATCOM based on quasi impedance source inverter for power quality enhancement in the hybrid distributed generation system

This paper aims to introduce the quasi impedance source inverter (qZSI)-based static compensator (STATCOM), which is incorporated into the hybrid distributed power…

Analysis of the influence factors of VSC–HVDC on AC three-phase short-circuit current level

This paper aims to clarify voltage sourced converter’s (VSC’s) influence rules on the alternating current (AC) short-circuit current and identify the key factors, so as to…

Comparative study on minimization of conduction and switching losses in cascaded multilevel inverter via reduced switches and equal voltage source-sharing

Multilevel inverters play a major role in the development of high-power industrial applications. In traditional low-level inverters (e.g. 2-level), the switching frequency…

A new tri-source symmetric cascaded multilevel inverter topology with reduced power components

Multilevel inverters become very popular in medium voltage applications owing to their inherent capability of reconciling stepped voltage waveform with reduced harmonic…

Pulse density modulation control-based multi-load handling three leg inverter for cooking applications

Induction heating applications aided by power electronic control have become very attractive in the recent past. For cooking applications, power electronics circuits are…

Design and fabrication of rotary magnetostrictvie energy harvester for knee-joint wearable applications

This paper aims to present the design and fabrication of a rotary magnetostrictive energy generator, using to harvest the rotation energy of human knee joint.

Study on load monitoring and demand side management strategy based on Elman neural network optimized by sparrow search algorithm

This paper aims to collect the energy consumption data and carry out energy consumption analysis of chemical enterprises, which is helpful to grasp the working conditions…

Low-power and low-energy CNFET-based approximate full adder cell for image processing applications

Full adder cells are building blocks of arithmetic circuits and affect the performance of the entire digital system. The purpose of this study is to provide a low-power…

Linearisation of flow sensors using evolutionary optimised function-based methods

This study aims to propose optimised function-based evolutionary algorithms in this research to effectively replace the traditional electronic circuitry used in…

Efficient partial product reduction for image processing application using approximate 4:2 compressor

This paper aims to improve the performance of approximate multiplier in terms of peak signal to noise ratio (PSNR) and quality of the image.

A new technique for right half plane zero elimination from dynamics of a boost converter using magnetic coupling concept

Control-signal-to-output-voltage transfer function of the conventional boost converter has at least one right-half plane zero (RHPZ) in the continuous conduction mode…

Design of reversible Feynman and double Feynman gates in quantum-dot cellular automata nanotechnology

This paper aims to propose the reversible Feynman and double Feynman gates using quantum-dot cellular automata (QCA) nanotechnology with minimum QCA cells and latency…

A modified model of conductor roughness for manufacturing copper lines of printedcircuit board

The purpose of this paper is to establish an accurate model to quantify the effect of conductor roughness on insertion loss (IL) and provide improved measurements and…

Suitability of passive RC-network-based inductorless bridged-T as a bandpass NGD circuit

The purpose of this paper is to study, a bridged-T topology with inductorless passive network used as a bandpass (BP) negative group delay (NGD) function.

Extended hybrid cross-switched multilevel inverter circuit topology

Multilevel inverters (MLIs) have been studied widely over the past two decades because of their inherent advantages and interesting features. However, most of the newly…

Analysis, design and experimentation of high-pass negative group delay lumped circuit

The purpose of this paper is to introduce an innovative theoretical, numerical and experimental investigations on the HP NGD function. The identified HP NGD topology under…

Comparative analysis of two-level and three-level multilevel inverter for electric vehicle application using BLDC motor drive

The conventional two-level inverter suffers from harmonics, higher direct current (DC) link voltage requirement, higher dv/dt and heating of the rotor. This study aims to…

Dynamic warpage simulation of molded PCB under reflow process

This study aims to simulate molded printed circuit board (PCB) warpage behavior under reflow temperature distribution. Simulation models are used to estimate dynamic…

An inductorless piezoelectric energy harvesting interface circuit using gyrator induced voltage flip technique

The purpose of this research paper is to explore the possibility to enhance the power transfer from piezoelectric energy harvester (PEH) source to the load. As the…

Crosstalk reduction using novel cross-shaped resonators with via fence in high-frequency transmission lines

The purpose of this paper is to design a suitable guard trace to reduce the electromagentic interference between two closely spaced high frequency transmission lines. A…

Design of ternary subtractor using multiplexers

The purpose of this paper is to design multiplexers (MUXs) based on ternary half subtractor and full subtractor using carbon nanotube field-effect transistors.

TPTPC and BHC integrated grid connected energy storage system for power loss reduction

This paper aims to propose a bidirectional hidden converter (BHC)-based three-phase DC–AC conversion for energy storage application. BHC is the new concept to vary an…

A compact high gain wideband millimeter wave 1 × 2 array antenna for 26/28 GHz 5G applications

This paper aims to present the design, fabrication and analysis of a wideband, enhanced gain 1 × 2 patch antenna array with a simple profile structure to meet the desired…

A novel multi-input DC-DC landsman converter for plug-in hybrid electric vehicles

The purpose of the paper is to develop high accurate and unified maximum power point tracking technique that tracks the maximum power from both the photovoltaic (PV) array…

Systematic design of multi-objective enhanced genetic algorithm optimized fractional order PID controller for sensorless brushless DC motor drive

The puspose of this paper, a novel systematic design of fractional order proportional integral derivative (FOPID) controller-based speed control of sensorless brushless DC…

Design considerations for implementation of planar antennas for millimeter wave (mmW) 5G network: a review

Propagation characteristics of millimeter wave (mmW) frequencies that are being explored for implementing 5G network are quite different from sub 3GHz frequencies in which…

Novel step-down topologies of star-connected autotransformer

This paper aims to obtain a symmetrical step-down topology with lower equivalent capacity and wider step-down range under the condition of the same output. Two new…

A new approach for task managing in the fog-based medical cyber-physical systems using a hybrid algorithm

This paper aims to offer a hybrid genetic algorithm and the ant colony optimization (GA-ACO) algorithm for task mapping and resource management. The paper aims to reduce…

An energy-aware approach for resources allocating in the internet of things using a forest optimization algorithm

Internet of things (IoT) is essential in technical, social and economic domains, but there are many challenges that researchers are continuously trying to solve…

Design of bilayer graphene nanoribbon tunnel field effect transistor

The purpose of this paper is to design novel tunnel field effect transistor (TFET) using graphene nanoribbons (GNRs).

Forty five nm CMOS low power multilevel active feedback transimpedance amplifier for optical receivers

Recent advancements in the domain of smart communication systems and technologies have led to the augmented developments for very large scale integrated circuit designs in…

A compact broadband high power quasi-MMIC GaN power amplifier

The design and implementation of a broadband quasi-monolithic microwave integrated circuit (q-MMIC) power amplifier (PA) is presented for 0.2 to 2.2 GHz applications.

Fabrication of vibration sensors using precursor molar concentration varied ZnO nanostructures grown by refresh hydrothermal method

Various approaches have been made to alter the vibration sensing properties of zinc oxide (ZnO) films to achieve high sensitivity. This paper aims to report the…

Energy and time-efficient circuitry of bat-bootstrap and comp-lifier for ultra-low power SAR-ADC

Successive Approximation Register-Analog to Digital Converter (SAR-ADC) has been achieved notable technological advancement since the past couple of decades. However, it’s…

Canard-induced mixed mode oscillations as a mechanism for the Bonhoeffer-van der Pol circuit under parametric perturbation

This paper aims to investigate the singular Hopf bifurcation and mixed mode oscillations (MMOs) in the perturbed Bonhoeffer-van der Pol (BVP) circuit. There is a singular…

Cumulative degradation methodology to predict reliability of electronic systems

The purpose of this paper is to describe a novel methodology for predicting reliability for consumer electronics or any other hardware systems that experience a complex…

A comprehensive study on various dc–dc converter voltage-boosting topologies and their applications

This paper aims to review comprehensively the different voltage-boosting techniques and classifies according to their voltage gain, stress on the semiconductor devices…

Multilayer DS-MAC with game theory optimization

Energy is the major concern in wireless sensor networks (WSNs) for most of the applications. There exist many factors for higher energy consumption in WSNs. The purpose of…

A novel design of nano router with high-speed crossbar scheduler for digital systems in QCA paradigm

The nano-router would be a mastery device for providing high-speed data delivery. Here nano-router with a space-efficient crossbar scheduler is used for making absolutely…

Electronically tunable mixed mode universal filter employing grounded capacitors utilizing highly versatile VD-DVCC

Performance enhancement of switched reluctance motor drive using front-end converter

The main purpose of this paper is to propose a quasi-impedance source (QIS) converter fed switched reluctance motor (SRM) drive. The proposed converter topology is…

A compact, broadband three-way substrate integrated waveguide power divider with improved isolation

This paper aims to present a compact, broadband substrate integrated waveguide (SIW) three-way power divider with improved isolation based on six-port SIW coupler.

Performance investigation of doubly salient outer rotor switched reluctance motor using finite element analysis

The automotive industry extensively uses switched reluctance motors (SRM) because of their excellent performance. The main purpose of this article is to investigate the…

Novel center potential based analytical sub-threshold model for dual metal broken gate TFET

The purpose of this paper is to present an improved model based on center potential instead of surface potential which is physically more relevant and accurate. Also…

Wideband circularly polarized antenna with metallic walls for L-band applications

To achieve right-hand circular polarization (RHCP), a 3-dB Wilkinson power divider with a λ/4 phase shifter is used. The crossed-dipoles are placed at almost λ/4 elevation…

Study on high temperature model based on the n-Channel planar 4H-SiC MOSFET

To use the 4H-SiC material in integrated circuits for high temperature application, an accurate and simple circuit model of n-channel planar 4H-SiC MOSFET is required.

Design of folded cascode op amp and its application – bandgap reference circuit

Reference voltage or current generators are an important requirement for an analog or digital circuit design. Bandgap reference circuits (BGR) are most common way of…

An ultra-low noise pseudomorphic high electron mobility transistor (pHEMT)-based low noise amplifier using low temperature co-fire ceramic (LTCC) technique

This study aims to present two stage pseudomorphic high electron mobility transistor-based low noise amplifier (LNA) designed using low temperature co-fire ceramic (LTCC…

A half-bridge IGBT drive and protection circuit in dielectric barrier discharge power supply

This paper aims to improve the general circuit of driving and protection based on insulated gate bipolar transistor (IGBT) in dielectric barrier discharge power supply by…

Study on fine lines and undercut suppression of printed circuit board prepared by electrolytic etching

The purpose of this paper is to study an electrolytic etching method to prepare fine lines on printed circuit board (PCB). And the influence of organics on the side…

Analysis of circuit performance of Ge-Si hetero structure TFET based on analytical model

High packaging density in the present VLSI era builds an acute power crisis, which limits the use of MOSFET device as a constituent block in CMOS technology. This leads…

A new approach to bypass wire crossing problem in QCA nano technology

This study aims to replace current multi-layer and coplanar wire crossing methods in QCA technology to avoid fabrication difficulties caused by them.

An analytic method for parameter extraction of InP HBTs small-signal model

High-speed Indium Phosphide (InP) HBTs have been widely used to design high-speed analog, digital and mixed-signal integrated circuits. The purpose of this study is to…

Edge scattering limited crosstalk analysis in adjacent multilayer graphene interconnects and its impact on gate oxide reliability

This paper aims to present the edge scattering dominant circuit modeling. The effect of crosstalk on gate oxide reliability (GOR), along with the mitigation using…

Process voltage temperature analysis of MOS based balanced pseudo-resistors for biomedical analog circuit applications

Adoption of integrated MOS based pseudo-resistor (PR) structures instead of using off-chip passive poly resistors for analog circuits in complementary metal oxide…

Wire length optimization of VLSI circuits using IWO algorithm and its hybrid

Advancement in optimization of VLSI circuits involves reduction in chip size from micrometer to nanometer level as well as fabrication of a billions of transistors in a…

An internally-controlled memristor-based amplitude shift keying modulator

The purpose of this paper is to design and construct an amplitude shift keying (ASK) modulator, which, using the digital binary modulating signal, controls a floating…