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256 articles for “amplification”
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Realization of Fourth Order Multifunction Filters Using Operational Transresistance Amplifier
Abstract: Design of analog filters, using single Operational Transresistance Amplifier (OTRA) as the active current mode building block, is presented. Five types of filters have been designed namely Low Pass, High Pass, Band Pass, All pass, and Notch. The order of the proposed filters is four. The theoretical results are verified with PSPICE simulation using 0.5m CMOS process parameters provided by MOSIS (AGILENT). Frequency responses for the presented filters are shown …
Published in Journal of Electronic Design Technology · Vol. 3, Issue 1-3, 2012 · pp. 65–71 Read article
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A High Performance Reference Circuit with Optimized Input Offset Operational Amplifier using Device Mismatch Model
Abstract: In this paper, author describes a band gap reference (BGR) circuit, having reference voltage 1.20V with maximum temperature coefficient of 63 ppm/0C in temperature range of –40 to 120 0C. The circuit operates in range of supply voltage, 3.0V to 3.6V. An operational amplifier (op-amp), whose input offset voltage is reduced upto 892 µV using Pelgrom’s device mismatch model is used in BGR. The power supply rejection ratio of circuit …
Published in Journal of VLSI Design Tools and Technology · Vol. 3, Issue 1, 2013 · pp. 1–7 Read article
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Analysis of FSO Communication System under different weather conditions by incorporating Pre and Post Optical Amplifier
Abstract: AbstractFSO Communication is currently needed for the modern era because of high channel capacity and bandwidth. FSO is a line of sight; license free and low-cost technology which makes it preferred over radio frequency communication and other wireless technologies. In this paper, the first part tells about the introduction of the FSO system, its advantages, disadvantages and applications. The second part will discuss the atmospheric attenuation caused by different weather …
Published in Journal of Communication Engineering & Systems · Vol. 9, Issue 2, 2019 · pp. 16–24 Read article
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Automatic Gain Control Amplifier for Analog Front End in Biomedical Applications
Abstract: This paper presents the design review of feed-forward automatic gain control (AGC) amplifier to be used in analog front end of biomedical applications such as hearing aid. To make system low-power, the design of each block is optimized and all elements are realized using MOS. The whole design is simulated in LT spice IV using 0.18 µm CMOS technology and the results are presented. Keywords: Automatic gain control (AGC), biomedical …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 5, Issue 3, 2016 · pp. 22–26 Read article
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Optimization of CMOS Current Mirror Load-based Differential Amplifier using Hybrid Cuckoo Search and Particle Swarm Optimization Algorithm
Abstract: Optimization of CMOS based analog circuits is becoming a practical solution for complex analog modules. There are number of evolutionary algorithms presented to optimize the analog circuits in different reported literatures. During optimization process, the optimal result may not be obtained with only individual algorithm or requires a more time. Therefore the hybrid algorithm of two or more algorithms is more effective method to obtain the goal. The Particle Swarm …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 5, Issue 3, 2018 · pp. 71–78 Read article
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Amplification of 16s rRNA Gene of Brucella melitensis Causing Brucellosis Isolated from the Aborted Fetes of Goat
Abstract: ABSTRACTBrucella melitensis is zoonosis caused by facultative intracellular bacteria of genus Brucella, which are widely distributed in both human and animals, especially in developing world. The diagnosis of goat brucellosis requires isolation of the bacteria from stomach contain aborted fetes of goat. However cultural sampling sensitivity often low, depending on the disease stage, Brucella species, culture medium, quantity of circulating bacteria and blood culture technique employed. The development of PCR …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 9, Issue 1, 2020 · pp. 8–12 Read article
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Edge-detecting Technique to Increase Slew Rate for Differential Amplifier
Abstract: This paper addresses a very compact low-power class-B buffer amplifier topology for large-size liquid crystal display applications. With enhanced slew rate, Edge-Detecting technique the proposed buffer achieves high-speed driving performance, draws a small quiescent current during static operation. The proposed SRE design is achieved more than 68 times improvements in the slew rate without significant increase of static power dissipation. Post-layout simulations show that the proposed buffer can drive a …
Published in Journal of Electronic Design Technology · Vol. 3, Issue 1-3, 2012 · pp. 49–58 Read article
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Design and Implementation of Low Noise Amplifier using 90 nm MOS Technology for Bluetooth
Abstract: In the era of Miniaturization it is necessary that analog field develops at par with the digital world. To design RF circuit on the single chip it is necessary that noise performance of active semiconductor devices are studied and configure the devices in such a way that noise gets minimized. In this paper various kinds of noise in the devices are explained at a brief. Low Noise Amplifier for Bluetooth …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 3, 2014 · pp. 13–19 Read article
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A New Current Mode Quadrature Oscillator using Current Differencing Transconductance Amplifier (CDTA)
Abstract: This paper proposed a new current-mode quadrature oscillator using CDTA (Current Difference Transconductance Amplifier) as the active element. The proposed circuit uses only two grounded or virtually grounded capacitors, two grounded or virtually grounded resistors and two CDTAs. The functionality of the circuit is verified with the PSPICE simulation results.
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 1, 2014 · pp. 39–42 Read article
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Loop-Mediated Isothermal Amplification Coupled Lateral Flow Assay to Detect Nucleic Acids in Clinical Samples for Brucella Species at Point of Care and Resource-Limited
Abstract: Brucellosis is a most common and neglected zoonotic disease caused by Brucella species. Brucellosis is a major public health challenge as both animals and humans are affected. Most of the Brucella diagnostic tools are focused around serological assays though these assays cannot detect active pathogenesis. Loop-mediated isothermal amplification (LAMP) coupled with lateral flow assay (LFA) was developed in the present study to detect IS711 gene of Brucella species in the …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 10, Issue 2, 2020 · pp. 35–42 Read article
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Cartridge-Based Nucleic Acid Amplification for Rapid Tuberculosis Diagnosis
Abstract: In terms of public health, tuberculosis continues to have a significant impact on people's lives. The process of determining the underlying cause of a sickness or condition in a patient is known as clinical diagnosis. It entails the use of numerous diagnostic methods, including physical examinations, laboratory testing, and imaging procedures for medical purposes. Smear microscopy, which are frequently utilized, have poor sensitivity and lengthy turnaround times, respectively. An innovative, …
Published in International Journal of Pathogens · Vol. 1, Issue 1, 2024 · pp. 43–48 Read article
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The Solar Duo: Amplifying Energy Generation with Photovoltaics and Thermal Solar
Abstract: It is now essential to use renewable energy sources to address the problems of climate change and energy sustainability. Photovoltaics (PV) and thermal solar systems have come to be recognised as leading renewable energy technologies. This study examines the "Solar Duo," a PV and thermal solar technology combination that works well together to increase energy production and system efficiency. The document gives an overview of PV and thermal solar systems …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 10, Issue 1, 2023 · pp. 36–40 Read article
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Effects of EDFA Parameters on the Performance of A 4-Channel CWDM Optical Communication System
Abstract: AbstractIn this work, the performance of EDFA has been analyzed in Conventional band (C- band) based on its three types of application system i.e. pre-amplifier, post-amplifier and inline amplifier system. To check the performance for these three application system, a 4-channel Coarse Wavelength Division Multiplexing (CWDM) system has been designed using EDFA with optical CWDM fiber. By varying the length and numerical aperture (NA) of EDFA, different factors such as …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 2, 2014 · pp. 33–38 Read article
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Firing a Laser into the Sky Diverts Lightning Offering Greater Protection to Installations
Abstract: Lightning bolts cause thousands of deaths every year worldwide. Since Benjamin Franklin’s invention of lightning rods made almost 300 years ago, the technology has not been changed even today. The same Franklin lightning rods are used on top of the buildings to steer lightning down to the ground so that they don’t pass through the buildings, and damage the structure or electrocute people. Researchers have recently developed a new type …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 1, Issue 2, 2023 · pp. 46–56 Read article
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A Comprehensive Review of CMOS Analog Circuit Design Techniques for Low-Power VLSI Systems
Abstract: CMOS analog circuit design plays a significant role in the development of modern low-power Very Large-Scale Integration (VLSI) systems used in wireless communication, biomedical devices, portable electronics, embedded systems, and Internet of Things (IoT) applications. Research on low-power CMOS analogue design methodologies has intensified because to the growing need for high-performance, small, and energy-efficient electronic products. However, reducing power consumption while maintaining signal accuracy, noise performance, stability, bandwidth, and overall …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 4, Issue 1, 2026 Read article
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Moisture Controlled Water Pump Using Op-Amp
Abstract: Soil moisture monitoring framework is the blend of gadgets that can detect soil moisture, read or store information, and communicate the information back to the computer, which helps organise and understand the soil moisture information. Optimum plant development is primarily dependant on the proper water content in the soil. In order to boost the nature of yields and preserve water assets during irrigation, the soil moisture inspecting apparatus is created …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 1, 2022 · pp. 30–37 Read article
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Prevalence of HIV and TB Co-infection: Mumbai Scenario
Abstract: HIV, being the most powerful risk factor, has made the reappearance and progression of tuberculosis easier. The partnership of HIV and TB is a major health problem in both developed and developing countries. The present study was undertaken in Mumbai to study the prevalence of HIV and TB coinfection in patients who visited the tertiary care centers in the city. Both HIV and TB were diagnosed using nucleic acid amplification …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 3, Issue 2, 2013 · pp. 26–32 Read article
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Thermistor based ultra-sensitive thermal probe and its signal processing methods suitable for solution calorimeter
Abstract: A sensitive thermometric probe to measure a minute change in temperature of the order of mK, is designed and developed as a prerequisite for the in-house development of solution calorimetry system to study the heat of solutions of the compounds containing alkali metals. A measurement range of 2 K is considered in commensurate with the volume of the solution and the sample size. In this paper, construction of the probe …
Published in Journal of Instrumentation Technology & Innovations · Vol. 2, Issue 2, 2012 · pp. 23–31 Read article
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Single OTRA Based First Order Multifunction Filter
Abstract: A first order voltage mode (VM) multifunction filter has been proposed in this paper. It uses a single operational trans-resistance amplifier (OTRA) and few passive components. The same topology can be used for the implementation of first order low pass (LP), high pass (HP) and all pass (AP) filter functions. The LP and HP filters proposed here have variable gains and orthogonal tunability of gain and cut-off frequency. The theoretical …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 2, 2017 · pp. 1–6 Read article
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Isolation and Characterization of Gelatinase Producing Halophilic Bacteria from the Sediments of Pichavaram Mangrove Forest, Tamil Nadu State, South India
Abstract: Microorganisms are the most important sources for production of enzyme especially bacteria which have the ability to synthesis gelatinase enzyme has been screened and isolated from Pichavaram mangrove forest soil. This enzyme is capable of degrading gelatin and collagen proteins. The organism was isolated from the mangrove sediments; the genomic DNA was extracted, amplified by 785F and 907R primers, sequenced and identified. Gelatinase producing organism was identified as Bacillus thuringiensis. …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 3, 2019 · pp. 63–70 Read article