Circuit World: Volume 49 Issue 2

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

Zhihong Sun, Jing Wang

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 electroplating…

Linearisation of flow sensors using evolutionary optimised function-based methods

Babitha Thangamalar J., Abudhahir A.

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

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

Priya Singh, Vandana Niranjan, Ashwni Kumar

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

Guoda Wang, Ping Li, Yumei Wen, Zhichun Luo

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 control…

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

Ali Majeed, Esam Alkaldy

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

Extended hybrid cross-switched multilevel inverter circuit topology

Saeed Alizadeh, Mohammad Farhadi-Kangarlu, Behrouz Tousi

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 introduced…

A compact broadband high power quasi-MMIC GaN power amplifier

Lin-sheng Liu, Qian Lin, Hai-feng Wu, Yi-Jun Chen, Liu-Lin Hu

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.

Design of bilayer graphene nanoribbon tunnel field effect transistor

Ramesh Kumar Vobulapuram, Javid Basha Shaik, Venkatramana P., Durga Prasad Mekala, Ujwala Lingayath

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

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

Hongyu Du, Rong Yang, Taochen Gu, Xiang Zhou, Samar Yazdani, Eric Sambatra, Fayu Wan, Sébastien Lallechere, Blaise Ravelo

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 study…

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

Iyappan Gunasekaran, Govindaraj Rajamanickam, Santhosh Narendiran, Ramasamy Perumalsamy, Kiruthika Ramany, Radha Sankararajan

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 experimental study…

Dynamic warpage simulation of molded PCB under reflow process

Chun Hei Edmund Sek, M.Z. Abdullah, Kok Hwa Hwa Yu, Shaw Fong Wong

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

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

Jitendra B. Zalke, Sandeepkumar R. Pandey, Ruchir V. Nandanwar, Atharva Sandeep Pande, Pravin Balu Nikam

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 proposed…

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

Saravanan N., Hosimin Thilagar S.

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

Investigation of integrated converter circuit and enriched error tolerant fuzzy logic controller based control approach for solar powered EV system

Rajamohana Kuselan, Venkatesan Sundharajan

This study aims to extend the driving range by on-board charging with use of photovoltaic (PV) source, avoiding the dependency on the grid supply and energy storage system in…

Radial basis function neural network MPPT controller-based microgrid for hybrid stand-alone energy system used for irrigation

Jenitha R., K. Rajesh

The main purpose of this controller is to carryout irrigation by the farmers with renewable energy resources.