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55 articles for “Analog circuits”
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SPICE2G and PSPICE Circuit Simulation of h and g Two Port Networks
Abstract: AbstractMethods to simulate two port electronics circuits whose hybrid (h) and inverse hybrid (g) parameters are available for circuit designer are given using Spice2G/Pspice analysis programs. Starting from the definitions of two port h parameters, Spice2G and Pspice compatible equations for various frequencies are derived and compatible sub circuits for h,g two ports are obtained both at DC and AC. Effective and extensive use of Spice2G elements (voltage/current controlled current/voltage …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 3, 2019 · pp. 16–25 Read article
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Orcad P-spice Modified Switches for Electrical and Electronic Circuits
Abstract: Voltage dependent switch and Current dependent switch are extensively used to obtain open/short circuit in various networks for various applications. PSPICE /OrCAD software analog behavioral modellings options and Spice dependent sources are used to obtain control equivalent circuits for switches (P-spice built-in models) to be used for two types of applications. Different circuits (at DC, time-domain), and Spice files are described to simulation circuits with analyses. The following features are …
Published in Journal of Semiconductor Devices and Circuits · Vol. 11, Issue 3, 2024 · pp. 27–45 Read article
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Physics of Semiconductors and Electronic Circuits
Abstract: This study talks about the basic ideas behind semiconductor physics and how important they are for making and running modern electronic circuits. It starts with a look at intrinsic and extrinsic semiconductors, going into how charge carriers move, energy band theory, and how doping affects how well the electricity flows. Next, the conversation turns to semiconductor devices like diodes, bipolar junction transistors (BJTs), and field-effect transistors (FETs). The focus is …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 2, 2025 · pp. 9–17 Read article
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T-π Network Simulation and Thevenin- Norton Equivalent Circuit Values From Laplace Description Using Pspice Software
Abstract: From the conversion methods of T-π (star-delta) for impedances circuits, the behavioral modeling of Pspice simulation program is used to obtain equivalent circuits using LAPLACE option. The conversions are verified for two types of circuits by obtaining AC values of voltages and currents at various nodes and branches using Pspice computer simulations. There are many ways of expressing Thevenin/Norton equivalent circuit parameters such as (a) as real numbers for pure …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 2, 2022 · pp. 43–58 Read article
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Spice Circuits for Optic Cellular Receiver Simulations
Abstract: A circuit-theoretic approach to the generation of equivalent circuit models of optoelectronic and integrated photonic receiver applications is presented, especially optical cellular receiver systems. In a conventional circuit, the parameters of nano-inductance, nano-capacitance, impedance and scattering (S) parameters can be effectively applied to the analog equivalent representation of a conventional circuit. In a fiber-optic system, those parameters can be used in an integrated photonics and optoelectronic and nanoelectronic circuit as …
Published in Trends in Opto-electro & Optical Communication · Vol. 16, Issue 2, 2026 Read article
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Equivalent Linear Circuit for Thevenin and Norton Representation Using Superposition Theorem
Abstract: Using superposition theorem and knowing the Thevenin representation consisting of resistor, independent DC source of a network an equivalent DC network is obtained using SPICE software with linear circuit elements and independent sources and is verified. Also, similarly from the Norton representation, equivalent circuit is obtained. A procedure with Pspice methods to obtain unknown circuit elements using reciprocity theorem is described. Possible examples for (a) only resistive networks and (b) …
Published in Journal of Semiconductor Devices and Circuits · Vol. 10, Issue 2, 2024 · pp. 1–6 Read article
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Design of High-Speed TIQ Comparator for Flash-Type ADC for (WPMOS/LPMOS) > 1
Abstract: Comparator is the circuit that compares an analog signal with the reference signal and produces the binary output based on comparison. A Comparator is the main block in the ADC design as it directly affects the conversion rate of an ADC. Depending on the type and architecture of the comparator, the comparator can have significant impact on the performance of the target application. The speed and resolution of an ADC …
Published in Journal of VLSI Design Tools and Technology · Vol. 4, Issue 2, 2014 · pp. 47–52 Read article
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Design and Analysis of Bootstrap Sample and Hold Circuit
Abstract: This paper describes the design and implementation of open-loop sample and hold-circuit using bootstrap technique, which can be used as front end sampling circuit for high-speed analog-to-digital converters. Different design criteria, viz., speed, power, resolution, linearity, noise and harmonic analysis have been dealt with. Both theoretical analysis and simulation results are carried out. The bootstrap circuit is designed and then compared in a 0.18 and 0.35 μm CMOS process. It …
Published in Journal of Electronic Design Technology · Vol. 5, Issue 3, 2014 · pp. 7–14 Read article
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Thevenin Impedance Networks for Spice Simulation Using Analog Behavioural Modelling
Abstract: PSPICE/OrCAD software analog behavioral modeling (FREQ) option is used to obtain equivalent circuits for Thevenin equivalent resistance to be used for three types of applications for different circuits (other different networks with these Thevenin models at DC), and Spice files are described to simulation circuits with AC analyses. Three different applications are useful in linear integrated circuits using DC Thevenin resistance of two networks are considered. Firstly, the DC Thevenin …
Published in Journal of VLSI Design Tools and Technology · Vol. 14, Issue 3, 2024 · pp. 39–46 Read article
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Implementation and Simulation of High-Speed Dynamic Latch Comparator for ADC
Abstract: As per emerging issues in analog-mixed signal (AMS) design towards high-speed and low power, limits the performance of high-speed applications. Circuit complexity, speed, offset voltage and resolutions are essential parameter of comparator that affects the analog-to-digital converter (ADC) performance. Based on specifications, to achieve lower offset voltage and higher load drivability of latched comparator is presented. Moreover, the circuit is able to reduce power dissipation as the topology is based …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 99–103 Read article
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Survey of System-on-Chip Modular Test Approach
Abstract: The advancement in semiconductor technology over the past few decades has enabled the industry to develop new design and reuse methodologies referred as System-on-chip (SoC) design. These typically integrate heterogeneous mix of various complex analog and digital cores, with all their necessary electronic circuitry. The recent advancements have led to the use of the 3D structures (3D-SOCs) that brought along the benefits of higher performance, minimum average interconnect length, reduced …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 3, 2016 · pp. 56–70 Read article
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Design of Active Filter using CMOS based IInd Generation Current Conveyor in Current Mode
Abstract: Traditional design techniques used in VLSI are in voltage mode, but these have drawbacks like low bandwidth, non-linearity and less gain. Current conveyors act similar to operational amplifiers but are advantageous over older VLSI design techniques because of high bandwidth-gain product, reduced power consumption etc. This paper consists of two parts: circuit diagram of current conveyor (which is a three terminal analog device) is discussed first and its working is …
Published in Journal of VLSI Design Tools and Technology · Vol. 9, Issue 1, 2019 · pp. 15–21 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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Review on Modern Electronics Communication System and Electromagnetic Spectrum used for Wireless Communication
Abstract: Electronic communication is a modern type of communication system. In modern Electronic communication, by using Electronic instruments or devices we can communicate with each other very easy and fast. For designing instruments or devices, numbers of Electronic circuits are used. Communication takes place by transmitting and receiving information signal by means of Chanel or medium. Information signal like voice, images, videos, different signals, different data, etc are we can communicate …
Published in Trends in Opto-electro & Optical Communication · Vol. 9, Issue 2, 2019 · pp. 25–28 Read article
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Thevenin and Norton Resistance Using Time Domain Analyses Using Spice Simulations
Abstract: Thevenin and Norton equivalent circuits are of interest to circuit simulation designers and researchers. For the Thevenin resistance and Norton conductance determination of a network with available circuit theorems, the substitution network theorem (applied to OrCAD, SPICE, and Pspice AD simulation project) is shown to be suitable with the SPICE/ Pspice circuit simulation software. Instead of the DC option, the transient analyses option of SPICE is used to determine Thevenin/Norton …
Published in Current Trends in Signal Processing · Vol. 13, Issue 2, 2023 · pp. 8–18 Read article
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Implementation of DCC technique using differential amplifier based filter in 90nm CMOS technology
Abstract: Analog technique with feedback loop is applied to correct the duty cycle of any circuit without using more power. Pulse width modification is used to vary the duty cycle of clock signal. PMC cell is designed for expansion and contraction of pulse width. Differential amplifier based filter is used to detect the duty cycle of the particular clock signal. Differential amplifier and OpAmp are used to achieve adequate gain. The …
Published in Journal of VLSI Design Tools and Technology · Vol. 9, Issue 2, 2019 · pp. 13–22 Read article
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Three Techniques for DC Thevenin Resistance Using Pspice Simulation
Abstract: A time-domain method for certain types of excitations is proposed to determine Thevenin equivalent circuit for a circuit with resistors and dependent/independent sources. SPICE/Pspice model descriptions for resistors at constant temperature and dependent source are used. Instead of making the energy sources zero (as in frequency domain) the sources in time domain are described using model description cards available for time-domain current/voltage sources at the same time evaluating circuit for …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 1, 2025 · pp. 1–8 Read article
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Designing Digital Filters of Underwater Wireless Sensor Node
Abstract: Underwater Wireless Sensor Networks (UWSNs), an emerging area, integrate sensing, computing, and communication into a single compact device. The digital data is acquired using an FPGA (Field Programmable Gate Array), and the fusion of numerous sensor data is accomplished in the sensor node’s ARM (Advanced RISC Machine) CPU. The sensor interfacing circuit should connect the sensor to the sensor node’s data collecting system. The data from these sensors may be …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 1, Issue 1, 2023 · pp. 43–53 Read article
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Analogous Electrical Modelling of Squeeze Film Damping in MEMS Accelerometers
Abstract: Most of the MEMS (microelectromechanical systems) structures employ parallel plates or beams. A very thin film of air or some other gas in between their suspended structure and fixed substrate is trapped in between these plates. This results in squeeze film damping. Though, FEM (Finite element method) analysis is the most widely used method for studying the effects of the phenomenon, it becomes quite cumbersome and time consuming while analyzing …
Published in Journal of Mechatronics and Automation · Vol. 2, Issue 1, 2015 · pp. 1–9 Read article
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Wireless I/O Interfaces for Industrial Controllers: An Educational Approach
Abstract: Due to technological advances, the need for versatile and flexible applications in the field of industrial automation is continuously growing. Digitalization, flexibility, connectivity, high-speed transmission, data analysis and integration of different systems are now requirements in most industries. Industrial communication networks are the main tool in accomplishing those requirements. The proposed work is focused in the development of a solution for collecting remote field signals and transmit them by wireless …
Published in Journal of Microcontroller Engineering and Applications · Vol. 10, Issue 1, 2023 · pp. 8–25 Read article