Publications
Exploring Terahertz COMPLEMENTARY METAL OXIDE SEMICONDUCTOR Integrated Circuits Advancements and Obstacles
Mar 3, 2024Journal International Journal of Multidisciplinary Research and Analysis
Issue 3
Volume 7
The text provides a description of the characteristics of several NMOS and CMOS circuit approaches, as well as an explanation of the limitations associated with each technology. Next, the CMOS domino circuit, a novel form of circuit, is explained. This entails interconnecting dynamic CMOS gates in a manner that enables the activation of all gates in the circuit simultaneously using a single clock edge. Consequently, there is no need for intricate clocking methods, allowing the dynamic gate to operate at its maximum speed. This circuit features a basic mode voltage-controlled oscillator operating at 135 GHz in 80-nm COMPLEMENTARY METAL OXIDE SEMICONDUCTOR, a 405 GHz push-push voltage controller in 38-nm COMPLEMENTARY METAL OXIDE SEMICONDUCTOR with an on-chip patch antenna, a 128 GHz Schottky diode frequency doubler, a 170 GHz Schottky diode detector, a 600 GHz plasma wave detector in 122-nm COMPLEMENTARY METAL OXIDE SEMICONDUCTOR and a 40 GHz phase-locked loop with a frequency doubled output at 110 GHz. Given this and the trends in performance of n METAL OXIDE SEMICONDUCTOR transistors and Schottky diodes produced in complementary metal-oxide semiconductors, we lay out a plan for terahertz COMPLEMENTARY METAL OXIDE SEMICONDUCTOR systems and circuits, highlighting critical challenges that need to be addressed. With the advent of terahertz COMPLEMENTARY METAL OXIDE SEMICONDUCTOR KEYWORDS: Schottky diode, voltage controller oscillator.cmos,nmos
Neural Network-Directed Detection and Localization of Faults in Railway Track Circuits: An Application of Dempster-Shafer Theory
Jun 1, 2023Journal Ingenierie des Systemes d'Information
Publisher http://isnra.com/icemas18conference/
Issue 28
Volume 3
Track circuits, integral to the security infrastructure of railway traffic systems, govern the operational status of train lines. The swift detection and rectification of faults within these circuits is critical to preserve the integrity and functionality of rail networks. In this study, an innovative approach, leveraging neural networks in tandem with Dempster-Shafer theory, is proposed for detecting and localizing faults in track circuits. The complexities of fault detection are deconstructed into more manageable, capacitor-specific pattern recognition challenges, with the resolutions amalgamated via Dempster-Shafer theory. Simulations demonstrate the efficacy of this method, yielding a detection accuracy exceeding 98% and a localization accuracy surpassing 93%. This marks a significant improvement over contemporary reference techniques, thereby setting a new benchmark in the domain of track circuit fault detection and localization. © 2023 International Information and Engineering Technology Association. All rights reserved. Author keywords Dempster-Shafer theory; evidence theory; pattern recognition tasks; railway traffic security
Integrated Photonic and Electronic Circuits Using CMOS Technology
Jan 1, 2023Journal Eurasian Journal of Engineering and Technology
Publisher International Journal of Multidisciplinary Research and Analysis
Design of automatic speech recognition in noisy environments enhancement and modification
Dec 26, 2021Journal Periodicals of Engineering and Natural Sciences (PEN)
Issue 10
Volume 1
Recurrent neural networks (RNN) and feed-forward multi-layer perceptron’s have been proposed for determining the absence and presence of speech in continuous voice signals when there is a variety of background noise levels present. The Aurora2 and Aurora3 were used to conduct detailed performance evaluations on vocal activity detection. When a Recurrent neural network feeds on automatic speech recognition particular features and acoustic features, the best outcomes can be achieved, according to this study. Aurora2 and the French, Romanian and Norway portions of the Aurora3 corpus is also proposed for detailed studies of ASR. When noise presence probability is utilized to change for encoding speech, phone subsequent probabilities are employed; the WER is reduced by 10.3 Author keywords Acoustic features; RNN; Speech recognition
Design and implementation of biquad filters using CMOS circuit based active elements
Mar 1, 2019Journal International Review of Electrical Engineering
Issue 2
Volume 14
This paper mainly concentrates on a new kind of CMOS implementation based on Current Differencing Current Conveyer (CD-CC). The grate CMOS circuit effort is fulfilled by introducing a new kind of biquad filter. The proposed filter employs two CD-CC circuits and four passive elements. The filter is designed depending on Multi Input Single Output (MISO) configuration and realizes all filter functions identified by current mode (Low pass, Band pass, High pass, Band Stop, and all Pass) filter. In addition, the behavior of the proposed filter circuit has been tested and simulated then it results in sound outcomes. This test has been achieved by using the current mode application example, which consists of two (CDCCs) and four passive elements with multi-inputs and a single output. Finally, the filters are simulated using TSMC 0.35 μm technology. Moreover, the theoretical analyses agree with PSPICE simulation results. © 2019 Praise Worthy Prize S.r.l.-All rights reserved. Author keywords All pass; Band stop; CMOS circuits; Current differencing current conveyer; High pass; Low pass; Multi inputs single output filters; PSPICE simulator
In the Way of having an Optimum Wireless Ad-Hoc Sensor Networks: Analysis of Deploying Homogeneous and Inhomogeneous Nodes
Jan 1, 2019Journal ARPN Journal of Engineering and Applied Sciences
Volume 14
The emerging technology of ad-hoc sensor networks helped to increase researches in this field due to a large number of applications that uses wireless ad hoc networks such as monitoring of the environment, intelligent agriculture, structure health, earthquake prediction, industrial control and target detection in military applications. Various analyses have been suggested for optimality of ad hoc networks; in our study for a given number of nodes we use a comparative analysis by using two kinds of sensors network, the first network with different type of sensors having different connectivity range and sensing coverage and the other network with same capabilities for sensors in terms of connectivity and coverage range and the aim is to have a clear view about the utility of deploying homogeneousor inhomogeneous wireless ad hoc sensor network. Analysis of sensors deployment with a homogeneous transmission range reveals better network connectivity. Therefore, deploying sensor nodes with different transmission range does not improve the connectivity of the network when a power constraint present. In addition, using inhomogeneous nodes does not help to reduce power consumption to maintain network availability. Author keywords network connectivity; phase transition; power consumption; target detection; Wireless ad-hoc networks; ____________inhomogeneous
New CMOS Realization of Voltage Differencing Buffered Amplifier and Its Biquad Filter Applications
Apr 1, 2012Journal RADIOENGINEERING
Volume 21
In this paper, new biquad filter configuration using a recently introduced active element, namely Voltage Differencing Buffered Amplifier (VDBA), is proposed. This block has high impedance input terminals and low impedance output terminal, providing advantages at voltage mode circuits. Besides, VDBA has a transconductance gain, thus the proposed circuits can be employed without using any external resistors. Two new voltage-mode biquad filter configurations are presented for VDBA application. Each proposed filter employs two active elements and two or three passive components. Filters, having three inputs and single output, can realize voltagemode low-pass, band-pass, high-pass, band-stop, and allpass filters. The biquad filters have low output impedances that is necessary for cascadability for voltage mode circuits, and no critical component matching conditions are required. For the second biquad, quality factor can be adjusted via resistor independently of the natural frequency. Simulation results are given too, confirming the theoretical analysis. The proposed biquad filters are simulated using TSMC CMOS 0.35 µm technology. LTSPICE simulations of the proposed circuits give results that agree well with the theoretical analysis.