Circuit World: Volume 50 Issue 2/3

An internally-controlled memristor-based amplitude shift keying modulator

Chiemeka Loveth Maxwell, Dongsheng Yu, Yang Leng

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 memristor…

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

Sudipta Ghosh, P. Venkateswaran, Subir Kumar Sarkar

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…

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

Subhrapratim Nath, Jamuna Kanta Sing, Subir Kumar Sarkar

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 single die…

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

Kulbhushan Sharma, Anisha Pathania, Jaya Madan, Rahul Pandey, Rajnish Sharma

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

Novel step-down topologies of star-connected autotransformer

JiaRong Wang, Bo He, XiaoQiang Chen

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 symmetrical…

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

Naresh Kattekola, Amol Jawale, Pallab Kumar Nath, Shubhankar Majumdar

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

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

Sagar Juneja, Rajendra Pratap, Rajnish Sharma

Propagation characteristics of millimeter wave (mmW) frequencies that are being explored for implementing 5G network are quite different from sub 3GHz frequencies in which 4G…

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

Naresh Kattekola, Shubhankar Majumdar

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

A low power high speed single phase clock level restoring 16T master-slave flip-flop

Alok Kumar Mishra, Urvashi Chopra, Vaithiyanathan D., Baljit Kaur

A low power flip-flop circuit is designed for energy-efficient devices. Digital sequential circuits are in huge demand because every processor has most of the parts of digital…

Design of temperature-based adaptive refresh circuit for 2T array memory

Wanjun Yin, Lin-na Jiang

The purpose of this paper through the redundant monitoring unit reflecting the real-time temperature change of the array, an adaptive refresh circuit based on temperature is…

Supply less sensitive ring voltage-controlled oscillator for microwave L-band frequencies

Parul Trivedi, B.B. Tiwari

The primary aim of this paper is to present a novel design approach for a ring voltage-controlled oscillator (VCO) suitable for L-band applications, whose oscillation frequency is…

Performance analysis of FEC based SR motor drive using fuzzy tuned PI controller

Indira Damarla, Venmathi M., Krishnakumar V., Anbarasan P.

In this paper, a new front end converter (FEC) topology has been proposed for the switched reluctance (SR) motor drive. This study aims to present the performance analysis of…

Analysis and circuit design of isolated forward SEPIC converter with minimum-phase stability

Alireza Goudarzian, Rohallah Pourbagher

Conventional isolated dc–dc converters offer an efficient solution for performing voltage conversion with a large improved voltage gain. However, the small-signal analysis of…

An LLC resonant converter with wide output range fixed frequency PWM control for PEV charging applications

Dangshu Wang, Menghu Chang, Licong Zhao, Yuxuan Yang, Zhimin Guan

This study aims to regarding the application of traditional pulse frequency modulation control full-bridge LLC resonant converters in wide output voltage fields such as on-board…

Analysis and design of wireless power transfer system with anti-misalignment constant voltage output characteristics

Dangshu Wang, Zhimin Guan, Jing Wang, Menghu Chang, Licong Zhao, Xinxia Wang

This study aims to solve the problem of high output voltage fluctuation and low efficiency caused by the misalignment of the magnetic coupling structure in the wireless charging…

A novel higher-order sliding mode control for DC-DC boost converter system in PMDC motor exploring mismatched disturbances

Dhanasekar R, Ganesh Kumar Srinivasan, Marco Rivera

The purpose of this study is to stabilize the rotating speed of the permanent magnet direct current (PMDC) motor driven by a DC-DC boost converter under mismatched disturbances…