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61 articles for “single band”
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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 Planar Monopole Antenna for L-Band Applications
Abstract: AbstractThis paper presents a square monopole antenna for L-band application, it is designed to be used in a 879 MHz–2113 MHz frequency bands. It is printed on dielectric substrate of FR4 glass epoxy with relative permittivity (ɛr) of 4.3, thickness of 1.6 mm, a square monopole antenna (aluminium sheet) is mounted on half ground plane via a single feeding strip. Prototypes of these configurations were manufactured and measured in frequency …
Published in Journal of Communication Engineering & Systems · Vol. 3, Issue 1, 2013 · pp. 1–3 Read article
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Design and Performance Analysis of Silicon Photonic Waveguides for High-Speed Optical Communication
Abstract: The exponential growth of data traffic in data centers and high-performance computing systems necessitates a paradigm shift from conventional electrical interconnects to high- speed, low-power on-chip optical interconnects. Silicon Photonics (SiP) is the leading platform for this transition due to its compatibility with CMOS manufacturing and the high- index contrast between silicon (Si) and silicon dioxide (SiO 2 ). This paper details the design, simulation, and comprehensive performance analysis of …
Published in International Journal of Optical Innovations & Research · Vol. 3, Issue 2, 2025 · pp. 29–37 Read article
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Broadband Rectangular Top Shaped Slotted Antenna at 2 GHz for WLAN Application
Abstract: The present study is regarding the design of a broadband rectangular top shaped slotted microstrip antenna with linear polarization radiation. The glass epoxy dielectric material is used for substrate and single rectangular microstrip radiating patch. Rectangular antenna is designed for WLAN technology. We first analyze the characteristics of microstrip antenna and design for the high bandwidth. The results show that the proposed antenna is able to achieve a bandwidth of …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 2, Issue 1, 2015 · pp. 1–4 Read article
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Optimization of gas sensitivity of CuO/carbon composites with carbon particles synthesized from acacia auriculiformis branches
Abstract: Carbon particles fabricated from the core of acacia tree branches were utilized to synthesize CuO/carbon composite films. The gas sensing properties of these films grown on glass substrates using the doctor blade method were measured in 1000 ppm of methanol vapor at the room temperature. All the films were annealed at 75 0C for 1 hour in air. The structure, the optical band gap and the surface morphology of the …
Published in International Journal of Membranes · Vol. 1, Issue 1, 2024 · pp. 22–30 Read article
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Design Simulation and Assessment of Image De-noising through Improved Median Filters Based Sub band Decomposition
Abstract: The quality of an image sequence can degrade due to a number of causes, such as noise in the recording, transmission, or scanning. Additionally to enhancing the visual appeal, filtering offers the advantage of facilitating subsequent image processing tasks like coding, interpretation, or analysis. While attempting to restore a perfect image from a faulty copy, noise reduction is a top concern. Because of this, there isn't a single strategy that …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 2, 2022 · pp. 9–21 Read article
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Hand Gesture Detections Using a Force Myography-Based on Wearable Wrist Strap
Abstract: We are familiar with gestures as a nonverbal form of communication and often use it during heated discussions. In this digital word of human-machine interactions, hand gesture is emerged as promising method of interaction. For this interactions, developing a control system for sensing hand gestures would be a primary objective. In this research paper we will be discussing one of such simple yet efficient hand grip and gesture detection method …
Published in Current Trends in Signal Processing · Vol. 11, Issue 2, 2021 · pp. 1–9 Read article
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Cloning and Expression of LPS-Binding Single Domain Antibody Clones Selected from Phage Display Library of Indian Desert Camel
Abstract: Despite the absence of light chains in their structure, camelid and shark “heavy chain antibodies” (HCAbs) variable domains (designated as VHH) are able to make functional paratopes. The authors have selected lipopolysaccharide (LPS)-binder “single-domain antibodies” (dAb) clones from the previously constructed phage display library of (LPS)-immunized Indian desert camel. This study was undertaken to make available large amounts of some LPS-binder dAb clones by using a suitable expression vector-host system …
Published in Research and Reviews : A Journal of Immunology · Vol. 4, Issue 1, 2014 · pp. 1–7 Read article
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Investigations with Gigabit Passive Optical Network
Abstract: Gigabit Passive Optical Network is one of the emergent technology to compete with high bandwidth requirement of impending subscribers. Accordingly, this manuscript explores the proposed design of the GPON. Numerical simulations have been executed for the non-return to zero and return to zero pattern with and without the Raman Effect over the single mode fiber of 20 km length of transmission. The design’s performance has been evaluated on the basis …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 2, 2017 · pp. 40–45 Read article
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Development of Anti IgG Polyclonal Antibody Against Canine IgG and Their Roles in Diagnostic Purposes
Abstract: IgG plays an important part in immunological studies and also in living bodies for providing secondary immune response which triggers as passive immunization against harmful pathogens in dogs. Purpose: The aim of this investigation is to separate, identify, and refine immunoglobulin G from canine serum. Methods: Ammonium sulphate precipitation was used to separate the dog's serum, which was then concentrated over night in a dialysis bag inside of a refrigerator. …
Published in International Journal of Vaccines · Vol. 1, Issue 2, 2024 · pp. 01–06 Read article
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Analysis and Design of Coaxial Fed Microstrip Antenna on Multilayer substrate at Terahertz Frequency
Abstract: AbstractThe paper presents the performance of an antenna on a three-layered substrate material analyzed to enhance the electrical parameters such as bandwidth and gain of a microstrip antenna. A regular rectangular microstrip antenna design has been updated to a planar parabolic horn design for improving bandwidth to up to 30 times provided by a rectangular patch. The design has been simulated at 0.6 THz resonant frequency using Keysight’s ADS (Advanced …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 3, 2017 · pp. 11–14 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 Novel Antenna Design based on a Single UC-PBG Layer of High Gain for Wireless Power Transfer
Abstract: In this study, a brand-new, highly effective antenna design is put forth to provide a directional radiation pattern with a small beam width for wireless power transfer. The proposed antenna is constructed from a cross-shaped patch of square holes. A favorable eclipse is paired with the antenna patch to provide circular polarization-symmetrical radiation. A symmetrical quadrature stare-shaped unit cell has a uniform compact photonic bandgap layer (UC-PBG) on top of …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 3, 2022 · pp. 8–19 Read article
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A Comparative Analysis of Various Flipped Voltage Follower Cells
Abstract: Flipped voltage follower (FVF) cell is used for designing low-voltage/low-power analog circuits. It can operate with a single supply voltage, less than the sum of the threshold voltages of a PMOS and NMOS transistor. The three different configurations of the FVF cell namely conventional FVF, FVF using level shifter (FVFLS) and FVF using bulk driven technique (FVFBD) are presented. Various parameters such as input/output swing, gain, bandwidth and power dissipation …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 2, 2017 · pp. 1–8 Read article
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Combustion Synthesis and Comprehensive Characterization of Pure and Ni-Doped CuFe₂O₄ Nanoparticles for Functional Composite Applications
Abstract: The CuFe2-xNixO4 (x = 0, 0.1, 0.3, and 0.5) nanoparticles were synthesized using a combustion method and comprehensively characterized to understand their suitability for polymer-based composite applications. X-ray diffraction confirmed the formation of a single-phase spinel ferrite structure with crystallite sizes of 20–30 nm. Energy-dispersive X-ray spectroscopy verified the successful incorporation of Ni ions into the CuFe₂O₄ lattice, while FE-SEM analysis revealed uniformly dispersed nanoscale particles desirable for composite reinforcement. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1–11 Read article
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Classification and Comparison of Routing Protocols in Wireless Sensor Networks
Abstract: Recent developments and the overlap of multiple technologies, including distributed signal processing, ad-hoc network routing protocols, embedded systems, integrated circuits, micro electro-mechanical systems, microprocessor hardware, and nanotechnology, have rendered the idea of Wireless Sensor Networks (WSNs) possible. Sensor network nodes are finite with regard to energy, processing capability, and communication bandwidth. Yet, since they can vary with respect to the application and network structure, the routing protocols have received the …
Published in International Journal of Wireless Security and Networks · Vol. 3, Issue 2, 2025 · pp. 35–44 Read article
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Switched Capacitor-based RC Filter
Abstract: Today we know that the demand of low voltage for low power integrated circuits (ICs) are used for growing the portable equipment in all the markets including telecommunication, computers and customer electronics with smaller size. The low voltage need for ICs is also motivated by the new dip submicron complementary metal oxide semiconductor (CMOS) technology scaling that required all transistors of smaller size. In current years, a lot of researches …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 1, 2016 · pp. 32–40 Read article
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A Short Survey of Data Compression Techniques for Column Oriented Databases
Abstract: AbstractColumn oriented data-stores has all values of a single column stored as a row followed by all values of the next column. Such way of storing records helps in data compression since values of the same column are of the similar type and may repeat. This paper surveys the various data compression techniques in column oriented databases. Data compression is efficiently used to save storage space and network bandwidth. It …
Published in Current Trends in Information Technology · Vol. 3, Issue 2, 2013 · pp. 1–6 Read article
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Subacute Intestinal Obstruction: Clinical Profile and Short-term Follow up in a Tertiary Care Hospital in Bangladesh
Abstract: Background: Subacute intestinal obstruction (SAIO) implies incomplete, intermittent, or recurrent obstruction. The diagnosis of SAIO is usually delayed and several patients continue to suffer from symptoms for weeks and months due to the waxing and waning nature of the disease. Objective: To see the clinical presentation, aetiology, type of management and short-term outcome of the patients of SAIO. Method: This prospective cohort study was performed in the Department of Gastroenterology, …
Published in Research and Reviews : A Journal of Immunology · Vol. 8, Issue 3, 2018 · pp. 19–23 Read article
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Trans Multiplexer as a Bliss to SATCOM System
Abstract: The paper describes the importance and application of trans multiplexer (TMUX) in satellite communication system. Nowadays, the communication system is completely based on multi user system. Generally, cellular communication can be done with a fixed frequency bands which is narrow band system where as satellite communication is based on wide band system, where different standards can be used simultaneously. In this paper, the overall idea of how signal processing is …
Published in Current Trends in Signal Processing · Vol. 7, Issue 1, 2017 · pp. 42–46 Read article