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67 articles for “Amplifier”
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High Frequency Design Approach and Feasibility Study of HBT Based W-band (90.0 GHz-100.0 GHz) Amplifier using 130 nm SiGe Based BiCMOS Technology
Abstract: This paper present high frequency design approach and feasibility study of HBT (Hetero Junction Bipolar Transistor) based two-stage cascode amplifiers at W-band (90.0 GHz-100.0 GHz). The proposed amplifier has design using 130 nm SiGe based BiCMOS technology. This paper used low cost technology for designing of w-band amplifier and this is novelty of this paper. The schematic design and feasibility study has been carried out using Cadence software. The selection …
Published in International Journal of Digital Communication and Analog Signals Read article
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A study on CMOS Operational Amplifier in Sensor Development
Abstract: CMOS operational amplifiers (op-amps) have emerged as pivotal components in modern sensor development, enabling the amplification and conditioning of weak signals with high precision and efficiency. Their inherent advantages low power consumption, compact size, and seamless integration with digital circuits make them ideal for advancing miniaturized, battery-powered sensor systems in fields ranging from biomedical devices to IoT networks. By delivering precision, power efficiency, and integration, CMOS op-amps are not just …
Published in Journal of VLSI Design Tools and Technology · Vol. 16, Issue 1, 2026 · pp. 01–07 Read article
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Next-Generation mRNA Therapeutics: Self-Amplifying, Thermostable and Personalized mRNA Vaccines in the Era of Precision Medicine
Abstract: Messenger RNA (mRNA) technology has brought a major change in modern medicine, especially after its successful use in COVID-19 vaccines. However, early mRNA vaccines faced several problems such as low stability, strict cold storage requirements, and lack of personalized treatment. To overcome these challenges, next-generation mRNA technologies have been developed, including self-amplifying mRNA (saRNA), thermostable mRNA vaccines, and personalized mRNA vaccines. This article discusses the development of mRNA therapeutics, the …
Published in International Journal of Vaccines · Vol. 2, Issue 2, 2025 · pp. 38–54 Read article
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Design and Simulation of LNA in 90 nm CMOS Technology for Radio Receiver using the Cadence Simulation Tool
Abstract: Due to its successful operation in the 2.4 GHz frequency region, often known as the ISM (Industrial, Scientific, and Medical) band, RFICs play a vital role in communication systems. The major parts being used transceivers for frequency translation and amplification are LNA and Mixers. Different types of mixers and LNAs are employed, and different strategies are used to optimize them. In this paper an approach for design and simulation of …
Published in International Journal of Digital Communication and Analog Signals 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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Evaluation of Antenna Performance using a Novel Measurement Device: Methodology and Results
Abstract: In the last decade, the field of On Chip Antennas (OCA) has experienced unprecedented growth due to the introduction of small, low-cost, low-power System-on-Chip (SoC) wireless communication devices. OCAs are superior to conventional off-chip antennas in a number of ways. They first reduce the overall size of the wireless communication system since the presence of an OCA eliminates the need for an impedance matching network between the antenna and RF …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 11, Issue 1, 2024 · pp. 24–29 Read article
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Next-Generation mRNA Vaccines: Applications Beyond COVID-19
Abstract: Messenger RNA (mRNA) vaccine technology has become a paradigm shift in contemporary medicine and, with remarkable success in the COVID-19 pandemic, has opened the door to a new wave of vaccines development. In contrast to the traditional vaccine methods, mRNA vaccines are based on the synthetic genetic code that allows host cells to express target antigens, thus eliciting strong humoral and cellular immunity. The speed of development, efficacy, scalability of …
Published in International Journal of Vaccines · Vol. 3, Issue 2, 2026 · pp. 15–26 Read article
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Optimizing Power Generation from Building Ventilation Systems: A Study on Exhaust Fan Efficiency
Abstract: Due to population growth, the world's energy consumption has increased dramatically in both wealthy and developing nations in recent years, and by 2042, it is predicted to have doubled or more. Since a few years ago, the use of innovative sustainable power sources to meet energy demands has been gradually increasing. We've chipped away at a different idea because of this. As an alternative energy source, renewable energy (RE) resources …
Published in International Journal of Electrical Power and Machine Systems · Vol. 1, Issue 2, 2023 · pp. 22–27 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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Design and Implementation of Low Noise Power Low and High Speed Three Stage Comparator Using 16nm Technology
Abstract: To meet the demands of quicker operation and reduced noise levels, this study proposes a new CMOS Three-based comparator version. Efficiency may be significantly improved by comparing the suggested model to existing ones. This is so because the suggested comparator would improve the efficiency of the current amplifier design. The suggested model drives the input pairs of the regenerator and the amplified stage, making for a quicker comparator. The structure …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 1, Issue 2, 2023 · pp. 10–16 Read article
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ChatGPT Based Voice Assistant for Blind People
Abstract: The proposed system for converting speech input into text format to facilitate interaction with ChatGPT is a sophisticated integration of hardware and cloud-based services. Utilizing state-of-the-art technologies, it facilitates seamless communication between users and the AI model. At the outset, the microphone serves as the input device, capturing audio signals from the user's speech. These signals are then amplified to ensure clarity and fidelity before being transmitted to the ESP32 …
Published in Journal of Operating Systems Development & Trends · Vol. 11, Issue 2, 2024 · pp. 23–31 Read article
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Li-Fi based Underwater Audio and Data Transmission System
Abstract: Visible Light Communication, or Li-Fi (Light Fidelity), is a wireless optical networking technique used for communication (VLC). Due to its lack of RF communication's drawbacks, such as water absorption and scattering, Li-Fi has the potential to completely transform underwater communication. This project suggests utilizing two Arduinos, a solar panel, a speaker, a display, an amplifier, a laser, a battery, and other components to create a Li-Fi based underwater audio and …
Published in Recent Trends in Fluid Mechanics · Vol. 11, Issue 2, 2024 · pp. 23–29 Read article
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Review And Analysis of Application of Conductive Polymer Composites in Power-Efficient RF Circuits For 5G PAPR Reduction
Abstract: The need for low power RF circuits has gained more importance in the background of fifth-generation (5G) wireless communication systems, since the inherent PAPR characteristic of 5G signals—especially when using orthogonal frequency division multiplexing (OFDM) based techniques—becomes high. This high PAPR limits the efficiency of RF power amplifiers, increases power consumption, and induces thermal management challenges. In this context, conductive polymer composites (CPCs), based on advanced polymer matrices integrated with …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 111–125 Read article
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The Impact of Mindfulness Techniques on Legal Professionals: A Review
Abstract: The legal profession is known for being one of the most strained and taxing careers out there, often demanding long hours that can take a levy on mental health, leading to weariness, anxiety, and a drop in job satisfaction. Mindfulness, which involves being aware of our thoughts, feelings, physiological senses, and surroundings in the moment, has manifested as a valuable instrument to handle these difficulties. This review explores how mindfulness …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 14, Issue 3, 2024 · pp. 39–43 Read article
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Organ Donation: An Intervention Study
Abstract: Organ donation has become a source of hope for many individuals, potentially saving up to 8 lives and positively impacting over 50 people through a single donor. Living organ donation has emerged as a significant therapeutic option in the field of transplant medicine. It offers a lifeline to patients with terminal illnesses such as heart failure, end-stage lung disease, and kidney failure. Encouraging more positive attitudes towards organ donation could …
Published in International Journal of Emergency and Trauma Nursing and Practices · Vol. 1, Issue 2, 2023 · pp. 28–47 Read article
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Overview of Diabetic Neuropathy: A Comprehensive Examination
Abstract: Abstract: India has earned the unfortunate distinction of being the global epicenter for diabetes, with an alarming projection of 109 million individuals expected to be afflicted by the condition by 2035The global influence of diabetic neuropathy is significant, with an estimated 132 million individuals affected as of 2010, constituting roughly 1.9% of the global populace. Notably, within the diabetic population, there exists a significantly heightened prevalence The prevalence of sensory …
Published in Research and Reviews: A Journal of Toxicology · Vol. 14, Issue 1, 2024 · pp. 26–36 Read article
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Harnessing the Medicinal Potential of SwertiaChirata: A Phytochemical Strategy for Controlling Coronavirus Symptoms Like High Fever and Anxiety
Abstract: The current investigation focuses on exploring the therapeutic capacities of SwertiaChirata, colloquially known as Chirata, in managing the symptomatic displays of coronavirus infections. Chirata, a member of the Gentianaceae family, is a distinguished herb extensively used in Ayurvedic and Unani medicinal traditions, acknowledged for its myriad of healing qualities. In addition to its regular use in combating fever and loss of appetite, its prominent antioxidant traits position it as an …
Published in International Journal of Biomedical Innovations and Engineering · Vol. 1, Issue 2, 2023 · pp. 27–31 Read article
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Significance of Food Security and Safety behind India’s Sustainable Urban Development
Abstract: The foundation of sustainable urban development lies on the steps taken by a city to reduce its climate change." Multiple aspects of it primarily include water supply, health care, affordable housing, transportation, electricity and sanitation. The most important goal of any sustainable city or smart city is to secure “healthy and safe life” for its people without losing the existing natural resources. Foundation of “healthy life” originates from sufficient availability …
Published in International Journal of Nutritions · Vol. 1, Issue 1, 2024 · pp. 25–30 Read article
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Rise of Nationalism in Globalized Society
Abstract: This comprehensive study explores the intricate phenomenon of the resurgence of nationalism on a global scale, examining its multifaceted dimensions, underlying drivers, and potential implications for contemporary societies. In the complex landscape of the 21st century, the resurgence of nationalism has become a prominent and dynamic force, influencing political, social, and economic structures worldwide. The research methodology employed in this study integrates both qualitative and quantitative analyses, drawing on historical …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 1, 2024 · pp. 59–68 Read article
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Changes of the Function of Interstitial Cells of Cajal and Fecundity During Chronic Salpingitis: Experimental Study
Abstract: We have conducted this study to clarify the changes of the function of interstitial cells of Cajal and fecundity in chronic salpingitis white rat models which are made by infecting its vaginal cavity with Chlamydia. Background: Chlamydial infection is a sexually transmitted disease which is caused by Chlamydia trachomatis. 75% of the fallopian tube disease is thought to be due to anamnesis of asymptomatic Chlamydial infection and those who are …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 13, Issue 1, 2024 · pp. 23–26 Read article