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Journal articles on the topic 'Circuits passifs'

Author: Grafiati
Published: 4 June 2021
Last updated: 18 February 2022

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1

Fouad Hanna, Victor, Joseph Achkar, Odile Picon, Jacques Citerne, M’hamed Drissi, and Chakir Amrani. "Analyse de Circuits Passifs en Technologie Microruban Suspendu." Annales Des Télécommunications 47, no. 11-12 (1992): 515–29. http://dx.doi.org/10.1007/bf02998314.

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2

Omran, H., M. Madec, B. Bayle, and V. Schuh. "Carte électronique générique à base de compensateurs avance-retard pour les travaux pratiques d’automatique continue." J3eA 18 (2019): 1012. http://dx.doi.org/10.1051/j3ea/20191012.

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Dans le cadre des travaux pratiques d’automatique en première année à Télécom Physique Strasbourg, nous avons conçu une carte électronique unique permettant la réalisation d’une large gamme de correcteurs pour l’asservissement continu sur des systèmes divers : moteur, système de chauffage, lévitation magnétique. La carte est constituée de trois circuits d’entrée permettant l’implémentation d’un filtre du premier ordre, de quatre modules correcteurs constitués chacun d’un compensateur à avance-retard de phase, d’un additionneur et d’un soustracteur, ainsi que de trois sorties. Cette maquette pe
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3

Wilson, P. R. "Modeling the Non Linear Behavior of a Magnetic Fault Current Limiter." Advanced Electromagnetics 4, no. 3 (2015): 1. http://dx.doi.org/10.7716/aem.v4i3.265.

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Fault Current Limiters are used in a wide array of applications from small circuit protection at low power levels to large scale high power applications which require superconductors and complex control circuitry. One advantage of passive fault current limiters (FCL) is the automatic behavior that is dependent on the intrinsic properties of the circuit elements rather than on a complex feedback control scheme making this approach attractive for low cost applications and also where reliability is critical. This paper describes the behavioral modeling of a passive Magnetic FCL and its potential
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4

Shen, Yun De, Guang Ma, Il Kwon Oh, and Tai Hong Cheng. "Electromagnetic Material Based Semi-Passive Switching Shunt Damper." Advanced Materials Research 143-144 (October 2010): 424–27. http://dx.doi.org/10.4028/www.scientific.net/amr.143-144.424.

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This paper describes the implementation of semi-passive switching shunt control for electro-magneto-mechanically coupled flexible structures. This simple system consists of a permanent magnet attached to an aluminum beam and a coil placed below the magnet with a switching circuit connected to the end of the coil. The MATLAB Simulink program and dSPACE hardware were employed for realizing the switching mechanism. Switching is done between open-circuit and short-circuits states. When the structure moves away from equilibrium, the circuit is short circuited, thereby dissipating energy, subsequent
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5

Kondo, Yusuke, Yasushi Shimada, Yoshitaka Hirata, Kazunori Yamamoto, Etsuo Watanabe, and Akira Kuriyama. "High-Frequency Properties of Embedded Passives and Thermal Resistance in Organic Substrates for RF Module." International Journal of Microwave Science and Technology 2010 (April 20, 2010): 1–5. http://dx.doi.org/10.1155/2010/871027.

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Radio Frequency (RF) modules have been miniaturized to meet the demand for smaller and more enhanced handsets for wireless applications such as cellular phones. However, area for passive devices used in RF modules has made further miniaturization difficult. Passives embedded in substrates are now being studied intensively. In addition, circuit simulation technology has been developed that enables efficient designing of RF module circuits. Circuit designers, however, have limited database of organic substrates and embedded passives. Further, optimized thermal designs are required to prevent the
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6

Chandra Shaker, Pittala, and Avireni Srinivasulu. "Electronic Tuning Square-Wave Generators with Improved Linearity Using Operational Transresistance Amplifier." Journal of Low Power Electronics and Applications 10, no. 2 (2020): 12. http://dx.doi.org/10.3390/jlpea10020012.

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Two new electronic tuning current-mode square-wave generators are introduced in the ensuing paper. In the first proposed square-wave generator circuit, one Operational Trans-resistance Amplifier (OTRA) and two passive components are involved, along with two NMOS depletion mode transistors. This circuit generates a square-wave with almost equal and fixed duty cycles. The second proposed circuit is able to control both on-duty and off-duty cycles independently with the help of two passive components, two NMOS depletion mode transistors, and two diodes connected to the circuit. The frequency of t
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Jiménez, Alejandro Dueñas, and Francisco Jiménez Hernández. "Confirming the Signal Integrity in Transmission of Digital Signals on Microstrip Straight Circuits via the Eye Diagrams." JOURNAL OF ADVANCES IN PHYSICS 5, no. 1 (2014): 737–41. http://dx.doi.org/10.24297/jap.v5i1.1972.

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Because of the high volume of processing, transmission, and information storage, electronic systems presently requires faster clock speeds tosynchronizethe integrated circuits. Presently the “speeds” on the connections of a printed circuit board (PCB) are in the order of the GHz. At these frequencies the behavior of the interconnects are more like that of a transmission line, and hence distortion, delay, and phase shift- effects caused by phenomena like cross talk, ringing and over shot are present and may be undesirable for the performance of a circuit or system.Some of these phrases were
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8

Tairidis, Georgios K. "Vibration control of smart composite structures using shunted piezoelectric systems and neuro-fuzzy techniques." Journal of Vibration and Control 25, no. 18 (2019): 2397–408. http://dx.doi.org/10.1177/1077546319854588.

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Shunt piezoelectric circuits can be used in several combinations for passive control of smart structures. Resonant shunt circuits with resistors and inductors can control resonant frequencies, by consuming the energy produced from vibrations by passing it to electric components. Such systems are very efficient for single-mode problems; however, when it comes to multi-mode control, their performance drastically deteriorates. The purpose of the present study is the development of optimized resonant shunt piezoelectric circuits, along with an intelligent control system based on adaptive neuro-fuz
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9

SOLIMAN, AHMED M. "HISTORY AND PROGRESS OF THE TOW THOMAS BI-QUADRATIC FILTER PART III: GENERATION USING NAM EXPANSION." Journal of Circuits, Systems and Computers 19, no. 03 (2010): 529–48. http://dx.doi.org/10.1142/s021812661000627x.

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A new generation method of the Tow-Thomas (TT) circuit based on the nodal admittance matrix (NAM) expansion is given. The family of TT circuits defined includes four different types of generated circuits. All the advantages of the classical TT circuit namely, independent control on the frequency, selectivity factor Q and gain, besides having very low passive sensitivities are maintained. Besides, each of the family members of the generated circuits use grounded passive elements and has very high input impedance. It is found that there are eight circuits in each type implying a total of 32 TT c
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10

Hruboš, Zdeněk, and Tomáš Gotthans. "Analysis and Synthesis of Chaotic Circuits using Memristor Properties." Journal of Electrical Engineering 65, no. 3 (2014): 129–36. http://dx.doi.org/10.2478/jee-2014-0020.

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Abstract This paper provides an innovative practical realization of a memristor based chaotic circuit. The first part discusses the mathematical analysis of the proposed system, including calculation of an eigenvalues, bifurcation diagram and largest Lyapunov exponents. Another parts deal with circuitry realization and the influence of parasitic properties of active elements. The circuit simulations obtained by PSpice environment and the practical measurement results on a breadboard are presented in the last part of this paper. The main aim of this work is an innovative realization of the memr
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11

Widemann, C., S. Stegemann, W. John, and W. Mathis. "Analytic investigations on the susceptibility of nonlinear analog circuits to substrate noise." Advances in Radio Science 11 (July 4, 2013): 171–75. http://dx.doi.org/10.5194/ars-11-171-2013.

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Abstract. This work deals with the conducted susceptibility of nonlinear analog circuits with respect to substrate noise. The substrate coupling mechanism is modeled by a passive three-terminal network that is obtained by means of the finite element method with a subsequently performed model order reduction. Applying this substrate model to the bulk terminal of MOS transistors in integrated analog circuits, it is possible to examine the influence of substrate noise on the circuit's functionality. By means of a block-oriented approach, analytic expressions for the output behavior of the circuit
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12

Abuelmaatti, Muhammad Taher, and Muhammad Ali Al-Qahtani. "Active-Only Sinusoidal Oscillator Circuits." Active and Passive Electronic Components 24, no. 4 (2001): 223–32. http://dx.doi.org/10.1155/2001/69690.

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Two new active-only sinusoidal oscillator circuits are proposed. The first circuit uses one current feedback operational amplifier (CFOA) and four operational transconductance amplifiers (OTAs). The second circuit uses only four OTAs. Without using any external passive elements, voltage (or current) control of the frequency and condition of oscillation, of the two circuits, can be achieved by adjusting the bias currents of the OTAs. The proposed circuits enjoy low sensitivities.
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13

Pandey, Rajeshwari, Neeta Pandey, Sajal K. Paul, Kashish Anand, and Kranti Ghosh Gautam. "Voltage Mode Astable Multivibrator Using Single CDBA." ISRN Electronics 2013 (April 7, 2013): 1–8. http://dx.doi.org/10.1155/2013/390160.

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This paper aims at presenting three voltage mode square wave generator circuits using single current differencing buffered amplifier (CDBA), a recently proposed mixed mode building block. The first proposed circuit produces a variable frequency output having fixed duty cycle, whereas the rest of the circuits have variable duty cycle. One of the circuits uses passive element adjustment to control the duty cycle, whereas electronic control is used in the other circuit. The workability of the proposed circuits is confirmed through SPICE simulations and experimental work.
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14

Pietrzko, Stanislaw, and Qibo Mao. "Reduction of Structural Sound Radiation and Vibration Using Shunt Piezoelectric Materials." Solid State Phenomena 147-149 (January 2009): 882–89. http://dx.doi.org/10.4028/www.scientific.net/ssp.147-149.882.

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In this paper, structural sound and vibration control using passive and semi-active shunt piezoelectric damping circuits is presented. A piezoelectric patch with an electrical shunt circuit is bonded to a base structure. When the structure vibrates, the piezoelectric patch strains and transforms the mechanical energy of the structure into electrical energy, which can be effectively dissipated by the shunt circuit. Hence, the shunt circuit acts as a means of extracting mechanical energy from the base structure. First, different types of shunt circuits (such as RL series circuit, RL parallel cir
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15

SOLIMAN, AHMED M. "HISTORY AND PROGRESS OF THE TOW–THOMAS BIQUADRATIC FILTER PART II: OTRA, CCII, AND DVCC REALIZATIONS." Journal of Circuits, Systems and Computers 17, no. 05 (2008): 797–826. http://dx.doi.org/10.1142/s0218126608004691.

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The realization of the Tow–Thomas (TT) circuit using the Operational Transresistance Amplifier (OTRA) is reviewed. The circuit employs two OTRA, and all passive elements are floating as the original Tow–Thomas circuit. The Current Conveyor (CCII) TT circuits are reviewed next. The progress in the realization of the TT circuit using CCII is demonstrated clearly by summarizing eight different circuits. One of the circuits has the advantage of very high input impedance using all grounded resistors and capacitors. The Differential Voltage Current Conveyor (DVCC) as the active building block in rea
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16

Pereira, Polyanna Mara, Felipe Campelo, Takuya Mori, Hajime Igarashi, and Ricardo Adriano. "A passive SPICE model for rectennas." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 37, no. 6 (2018): 1905–17. http://dx.doi.org/10.1108/compel-04-2017-0163.

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Purpose This paper aims to present a SPICE model to represent antennas in receiving mode. The model can be used to evaluate the performance of the antenna when it is coupled to several different nonlinear electric circuits. The proposed methodology is particularly suitable for rectenna applications, as it allows the analysis of different configurations for a rectenna more efficiently than using full-wave analysis simulators coupled directly to each rectifier circuit. Design/methodology/approach The model presented uses reciprocity theory to calculate the ideal voltage source of the Thevenin-eq
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17

Pal, Kirat, and Seema Rana. "Some New First-Order All-Pass Realizations Using CCII." Active and Passive Electronic Components 27, no. 2 (2004): 91–94. http://dx.doi.org/10.1080/0882751031000116188.

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Some new first-order all-pass filters using a second-generation current conveyor are reported. Two circuits have higher input impedance than reported very recently and use a grounded capacitor. Additionally two more circuits have been reported, one of which has minimum passive and active components and has the facility of single resistance tuning. The other circuit has high input impedance and uses two current conveyors but has one passive component less than the similar circuits reported earlier.
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18

Barboni, Leonardo. "A Novel Passive Circuit Emulator for a Current-Controlled Memristor." Active and Passive Electronic Components 2021 (April 22, 2021): 1–8. http://dx.doi.org/10.1155/2021/5582774.

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A memristor is an electrical element, which has been conjectured in 1971 to complete the lumped circuit theory. Currently, researchers use memristor emulators through diodes, inductors, and other passive (or active) elements to study circuits with possible attractors, chaos, and ways of implementing nonlinear transformations for low-voltage novel computing paradigms. However, to date, such passive memristor emulators have been voltage-controlled. In this study, a novel circuit realization of a passive current-controlled passive inductorless emulator is established. It overcomes the lack of pas
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19

Ibarra, F. Sandoval, and S. Ortega Cisneros. "Nyquist Model based Thermal Noise AnalysisFrom Passive Components to CMOS Circuits." International Journal of Emerging Technology and Advanced Engineering 11, no. 1 (2021): 1–8. http://dx.doi.org/10.46338/ijetae0121_01.

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The analysis of thermal noise in network components that have resistive properties is presented. Noise analysis, based on the Nyquist model, is calculated as the rms (voltage or current equivalent) noise generated by a transimpedance, which is the concept used by general-purpose circuit simulators like Spice. It shows how this concept is used and understood in RC circuits, and how to evaluate its effect in analog circuits, particularly in the design of CMOS integrated circuits. It is shown that the magnitude of the noise generated by a transistor is not of interest, but the net effect of all s
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20

Zhang, Shao Hua. "Study and Design of PFC Circuit of LED Driver Power." Applied Mechanics and Materials 602-605 (August 2014): 3001–4. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.3001.

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Based on the full analysis of the LED drive power of active and passive (PFC) circuit, the active and passive (PFC) circuits of the LED drive power are performed a detailed analysis, and the types, series and mode of the PFC circuit are also described in detail, the working principles of the valley fill circuit and APFC boost converter are mainly analyzed. Based on those studies, an APFC circuit is given by the use of L6562A and a simple application of APFC circuit presented.
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21

Xu, Qing Yao, Hong Pei Wang, Xiang Chao Hu, et al. "Quenching Circuit of Avalanche Diodes for Single Photon Detection." Applied Mechanics and Materials 437 (October 2013): 1073–76. http://dx.doi.org/10.4028/www.scientific.net/amm.437.1073.

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To reduce the afterpulsing in single photon detection based on avalanche diodes, an advanced passive quenching circuit for operation in free-running mode is developed. The measurement setup is designed. The dark count rate (DCR) and afterpulsing of Single photon avalanche diodes (SPADs) are measured. The results show that the new passive quenching circuit has a better afterpulsing performance compared to traditional circuits.
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22

Teng, Jianfu, J. K. Fidler, and Yichuang Sun. "Symbolic Circuit Analysis Using Mathematica." International Journal of Electrical Engineering & Education 31, no. 4 (1994): 324–33. http://dx.doi.org/10.1177/002072099403100405.

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Symbolic circuit analysis using Mathematics A method of symbolic circuit analysis using Mathematica is reported. With the powerful symbolic manipulation capacity of Mathematica, symbolic circuit analysis is significantly simplified. The analysed circuits can be passive or active, with active devices modelled by nullors. Non-trivial circuit analysis examples are presented and the program list is given.
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23

B.T., Prashant Singh, Babu Bobba Phaneendra, and K. Suresh. "Extensive review on Supercapacitor cell voltage balancing." E3S Web of Conferences 87 (2019): 01010. http://dx.doi.org/10.1051/e3sconf/20198701010.

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This paper explains about the supercapacitor cell voltage balancing circuits by comparing different topologies with regard to parameters like cost, balancing time, weight of the components used and control of switches. The advantage of supercapacitor over battery made to overcome weight and faster responding source problems. In supercapacitor bank cell voltages differ from each other which effects the performance of the device. Passive circuits consume power from cell for balancing but active circuits consume power from source. Many topologies are considered in this paper for different ratings
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24

Chien, Hung-Chun. "New Realizations of Single OTRA-Based Sinusoidal Oscillators." Active and Passive Electronic Components 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/938987.

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This study proposes three new sinusoidal oscillators based on an operational transresistance amplifier (OTRA). Each of the proposed oscillator circuits consists of one OTRA combined with a few passive components. The first circuit is an OTRA-based minimum RC oscillator. The second circuit is capable of providing independent control on the condition of oscillation without affecting the oscillation frequency. The third circuit exhibits independent control of oscillation frequency through a capacitor. This study first introduces the OTRA and the related formulations of the proposed oscillator cir
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25

Kasiran, A. N., A. Ponniran, A. A. Bakar, M. H. Yatim, M. K. R. Noor, and J. N. Jumadril. "Implementation of Resonant and Passive Lossless Snubber Circuits for DC-DC Boost Converter." International Journal of Engineering & Technology 7, no. 4.30 (2018): 246. http://dx.doi.org/10.14419/ijet.v7i4.30.22276.

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This paper presents the comparison of resonant and passive lossless snubber circuits implementation for DC-DC boost converter to achieve soft-switching condition. By applying high switching frequency, the volume reduction of passive component can be achieved. However, the required of high switching frequency cause the switching loss during turn-ON and turn-OFF condition. In order to reduce the switching loss, soft-switching technique is required in order to reduce or eliminate the losses at switching devices. There are various of soft-switching techniques can be considered, either to reduce th
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26

Russer, J. A., F. Mukhtar, A. Baev, Y. Kuznetsov, and P. Russer. "Combined lumped element network and transmission line synthesis for passive microwave structures." Advances in Radio Science 9 (July 29, 2011): 95–98. http://dx.doi.org/10.5194/ars-9-95-2011.

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Abstract. Compact circuit models of electromagnetic structures are a valuable tool for embedding distributed circuits into complex circuits and systems. However, electromagnetic structures with large internal propagation delay are described by impedance functions with a large number of frequency poles in a given frequency interval and therefore yielding equivalent circuit models with a high number of lumped circuit elements. The number of circuit elements can be reduced considerably if in addition to capacitors, inductors, resistors and ideal transformers also delay lines are included. In this
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27

ITOH, MAKOTO, and LEON O. CHUA. "MEMRISTOR HAMILTONIAN CIRCUITS." International Journal of Bifurcation and Chaos 21, no. 09 (2011): 2395–425. http://dx.doi.org/10.1142/s021812741103012x.

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We prove analytically that 2-element memristive circuits consisting of a passive linear inductor in parallel with a passive memristor, or an active memristive device, can be described explicitly by a Hamiltonian equation, whose solutions can be periodic or damped, and can be represented analytically by the constants of the motion along the circuit Hamiltonian. Generalizations to 3-element and 2N-element memristive Hamiltonian circuits are also presented where complex bifurcation phenomena including chaos, abound.
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28

Maheshwari, Sudhanshu. "Voltage-Mode All-Pass Filters Including Minimum Component Count Circuits." Active and Passive Electronic Components 2007 (2007): 1–5. http://dx.doi.org/10.1155/2007/79159.

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This paper presents two new first-order voltage-mode all-pass filters using a single-current differencing buffered amplifier and four passive components. Each circuit is compatible to a current-controlled current differencing buffered amplifier with only two passive elements, thus resulting in two more circuits, which employ a capacitor, a resistor, and an active element, thus using a minimum of active and passive component counts. The proposed circuits possess low output impedance, and hence can be easily cascaded for voltage-mode systems. PSPICE simulation results are given to confirm the th
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29

Cam, Zehra Gulru, and Herman Sedef. "A New Floating Memristance Simulator Circuit Based on Second Generation Current Conveyor." Journal of Circuits, Systems and Computers 26, no. 02 (2016): 1750029. http://dx.doi.org/10.1142/s0218126617500293.

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In this paper, a new floating analog memristance simulator circuit based on second generation current conveyors and passive elements is proposed. Theoretical derivations are presented which decribe the circuit characteristics. The hardware of proposed simulator circuit is built using commercially available components. Theoretical derivations are validated with PSPICE simulation and experimental results. Performance of circuit was tested with simple example circuits. All results show that proposed simulator circuit provides frequency dependent pinched hysteresis loop and nonvolatility features.
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30

LEHMANN, TORSTEN, HOSUNG CHUN, and YUANYUAN YANG. "POWER SAVING CIRCUIT DESIGN TECHNIQUES FOR IMPLANTABLE NEURO-STIMULATORS." Journal of Circuits, Systems and Computers 21, no. 06 (2012): 1240016. http://dx.doi.org/10.1142/s0218126612400166.

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Keeping power consumption low in implantable neuro-stimulators such as Cochlear Implants or Vision Prostheses is one of the major design challenges in their circuit design. Usually electrode impedance and stimulation currents required to elicit physiological responses mandates the use of large stimulation voltages, again dictating the use of high-voltage integrated circuit technologies. Power consumption in the stimulating circuits and associated supply generation circuits are the major contributors to overall system power dissipation. In this paper we present circuit design techniques that ad
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31

Oakley, Christopher, Premjeet Chahal, John Papapolymerou, and John D. Albrecht. "Fabrication of X-band Oscillator on LCP Substrate Using Aerosol Printing." International Symposium on Microelectronics 2017, no. 1 (2017): 000052–55. http://dx.doi.org/10.4071/isom-2017-tp24_106.

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Abstract This paper presents a low-cost additive manufacturing method for rapid prototyping of millimeter and microwave circuits using aerosol jet printing of silver nanoparticle ink deposited on commercially available liquid crystal polymer (LCP) substrate material. Two passive circuit elements, a 50 Ω microstrip transmission line and a band-stop microstrip resonator, were designed, fabricated and measured. These passive elements form the basis of a printed X-band transistor-based oscillator circuit in which all metal layers have been printed, including metalized vias. Impacts of via metalliz
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32

SILVA, Rodolfo Gonçalves Oliveira da, Guildo Lessa RIBEIRO FILHO, and Raquel Aparecida Soares Reis FRANCO. "Sequência didática para o estudo de circuitos elétricos de iluminação." INTERRITÓRIOS 6, no. 11 (2020): 161. http://dx.doi.org/10.33052/inter.v6i11.247754.

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O estudo dos sistemas de iluminação residencial é fundamental para os alunos do curso Técnico em Edificações. Geralmente as práticas de ensino adotadas nas escolas públicas são tradicionalistas, onde o aluno assume uma postura passiva em seu processo de aprendizagem. Este artigo avalia a contribuição de uma sequência didática sobre circuitos elétricos de iluminação residencial, acionados por interruptores simples, intermediários e paralelos no Curso Técnico Integrado em Edificações. O trabalho proposto foi concebido para que pudesse contribuir com o docente no processo de ensino, a fim de moti
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33

BÖHME, FRANK, and WOLFGANG SCHWARZ. "TRANSFORMATIONS OF CIRCUITS BELONGING TO CHUA'S CIRCUIT FAMILY INTO NONLINEAR FEEDBACK LOOPS MADE OF PASSIVE RC-FILTER AND ACTIVE MEMORYLESS NONLINEARITY." Journal of Circuits, Systems and Computers 03, no. 02 (1993): 293–308. http://dx.doi.org/10.1142/s0218126693000216.

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This paper deals with the inductor-free realizations of the four known circuits (see Refs. 1, 2) belonging to Chua's circuit family by using a simple feedback system consisting of a linear passive RC-filter and a nonlinear amplifier. The basic approach and the design principles and the parameter ranges, where equivalent RC-circuits can be realized are given.
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Rahimi, Mohammad, Behrad Soleymani, Farrokh Aminifar, and Amin Gholami. "A New Methodology for Circuit Analysis with Reverse Analysis Capability." Journal of Circuits, Systems and Computers 26, no. 06 (2017): 1750101. http://dx.doi.org/10.1142/s0218126617501018.

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This paper presents a novel technique for the analysis of looped linear time-invariant electric circuits. This approach works in both time and Laplace domains; any type of elements could hence be incorporated. The circuit elements are partitioned into twofold classes of basic circuit and subsidiaries. The basic circuit is a spanning tree of the network, and the subsidiaries include circuit elements hypothetically removed from the looped electric circuit to open the loops. The subsidiaries include a suit of passive elements which might not even make any interconnected circuit. The circuit gover
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35

MAHESHWARI, SUDHANSHU, JITENDRA MOHAN, and DURG SINGH CHAUHAN. "NOVEL VOLTAGE-MODE CASCADABLE ALL-PASS SECTIONS EMPLOYING GROUNDED PASSIVE COMPONENTS." Journal of Circuits, Systems and Computers 22, no. 01 (2013): 1250065. http://dx.doi.org/10.1142/s021812661250065x.

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This paper presents two new first-order voltage-mode (VM) cascadable all-pass (AP) sections, employing two differential voltage current conveyors (DVCCs) and three grounded passive components. Both circuits possess high input and low output impedance, which makes them easily cascadable. Non-ideality aspects and parasitic effects are also studied. As an application, a quadrature oscillator is designed using the proposed circuit. The proposed circuits are verified through PSPICE simulations using 0.5 μm CMOS parameters.
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36

Zihajehzadeh, Sh, M. Maroufi, M. Shamshirsaz, and A. H. Rezaie. "Self-sensing and quality factor control circuits for piezoelectric millimeter-sized resonant cantilevers." Journal of Intelligent Material Systems and Structures 22, no. 17 (2011): 2079–89. http://dx.doi.org/10.1177/1045389x11424215.

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For ever-increasing applications of resonant piezoelectric-excited millimeter-sized cantilever (PEMC) such as biosensors, viscosity, and density sensors, the need for design and implementation of a portable circuit for measuring the resonant frequency shift and/or the variation in the quality factor of PEMC becomes crucial. In this article, active and passive self-sensing bridge circuits are designed, fabricated, and implemented for a PEMC. The performances of these circuits are examined for the resonant frequency and quality factor measurements for vibration of PEMC in two different environme
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37

Wang, Lidan, and Shukai Duan. "A Chaotic Attractor in Delayed Memristive System." Abstract and Applied Analysis 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/726927.

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Over the last three decades, theoretical design and circuitry implementation of various chaotic generators by simple electronic circuits have been a key subject of nonlinear science. In 2008, the successful development of memristor brings new activity for this research. Memristor is a new nanometre-scale passive circuit element, which possesses memory and nonlinear characteristics. This makes it have a unique charm to attract many researchers’ interests. In this paper, memristor, for the first time, is introduced in a delayed system to design a signal generator to produce chaotic behaviour. By
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38

SOLIMAN, AHMED M. "GENERATION OF THIRD-ORDER QUADRATURE OSCILLATOR CIRCUITS USING NAM EXPANSION." Journal of Circuits, Systems and Computers 22, no. 07 (2013): 1350060. http://dx.doi.org/10.1142/s0218126613500606.

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A systematic synthesis procedure for generating third-order grounded passive element quadrature oscillators is given. The synthesis procedure is based on using nodal admittance matrix (NAM) expansion applied to the Y matrix of a recently reported three Op Amp third-order oscillator circuit. Four new circuits using current conveyors (CCII) are reported. In addition four more new circuits using inverting current conveyors (ICCII) are also given. Many more quadrature third-order oscillator circuits using combinations of CCII and ICCII can be obtained. Simulation results demonstrating the practica
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39

Chaturvedi, Bhartendu, and Sudhanshu Maheshwari. "Single Active Element Based Cascadable Band-Pass Filters for Low-Q Applications." Journal of Circuits, Systems and Computers 24, no. 05 (2015): 1550075. http://dx.doi.org/10.1142/s0218126615500759.

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The paper presents new single active element based second order band pass filters. The new circuits use single dual-X current conveyor with buffered output and five passive components. The proposed circuits enjoy the features of high input impedance and low output impedance, which are desirable features for voltage-mode circuits. Circuit operation at high frequencies are verified along with non-ideality and parasitic study. The Monte Carlo analysis is also done which justify good sensitivity performances of the proposed circuits. Routh–Hurwitz's stability test is performed to verify the stabil
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40

Shang, Xiao Yan, Jian Wu, and Xing Wang. "Design of Alarm System with Pyroelectric Infrared Sensor." Applied Mechanics and Materials 110-116 (October 2011): 4883–87. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.4883.

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Based on pyroelectric infrared sensor working principle, the passive pyroelectric infrared alarm system is designed, which is mainly used for safety of residence house to detect whether outsiders enter or not. This system is made of pyroelectric infrared sensor, Fresnel lens and monitoring circuits. The concealment of infrared is well applied on the circuits , amplifying and filtering circuit , infrared signal processing circuit are designed, then the voice chip is utilized to simulate alarm voice for warning thieves and burglars .After many experiments, This system has sensitive response , hi
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41

Walde, Dr Nisha, and Mr Prashant Kumar Mavi. "Novel Multifunction Filter using Current Feedback Amplifier." Transactions on Networks and Communications 9, no. 1 (2021): 18–21. http://dx.doi.org/10.14738/tnc.91.8122.

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One configuration for realizing voltage- mode multifunction filters using current feedback amplifiers (CFOA) is presented. The proposed voltage -mode circuit exhibit simultaneously low pass and band pass filters. The proposed circuits offer the following features: No requirements for component matching conditions; low active and passive sensitivities; employing only grounded capacitors and the ability to obtain multifunction filters from the same circuit configuration.
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42

Merken, Patrick, Tim Souverijns, Jan Putzeys, Ybe Creten, and Chris Van Hoof. "Flight Qualification and Circuit Development of Sensor Front-End Electronics for PACS/Hershel at Liquid Helium Temperature." Journal of Microelectronics and Electronic Packaging 4, no. 4 (2007): 130–35. http://dx.doi.org/10.4071/1551-4897-4.4.130.

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In the framework of the development of the European Space Agency's Herschel Space Observatory (HSO), IMEC designed the cold-readout electronics (CRE) for the PACS instrument. Key specifications for this circuit were high linearity, low power consumption, high uniformity, and very low noise at an operating temperature of 4.2K (liquid helium temperature, LHT). To ensure high production yields and uniformity, relatively easy availability of the technology, and portability of the design, the circuit was implemented in a standard CMOS technology. The circuits are functional at room temperature, whi
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43

Hess, Dean. "Ventilator Circuits, Humidification and Ventilator-Associated Pneumonia." Canadian Respiratory Journal 3, no. 6 (1996): 397–402. http://dx.doi.org/10.1155/1996/972402.

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Technical issues in the care of mechanically ventilated patients include those related to the ventilator circuit, humidification and ventilator-associated pneumonia. Principal issues related to ventilator circuits include leaks and compression volume. Circuit compression volume affects delivered tidal volume as well as measurements of auto-positive end-expiratory pressure and mixed expiredPCO2. Resistance through the ventilator circuit contributes to patient-ventilator dyssynchrony during assisted modes of mechanical ventilation. Adequate humidification of inspired gas is necessary to prevent
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44

Nefed’ev, A. I., G. I. Sharonov, and V. G. Sharonova. "Algorithm for indirect measurement method of parameters of passive complex conductance of a two-pole in a multi-pole electrical circuit." Izmeritel`naya Tekhnika, no. 12 (December 2019): 26–33. http://dx.doi.org/10.32446/0368-1025it.2019-12-26-33.

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An algorithm is proposed for indirectly measuring the parameters of the passive complex conductivity of a two-terminal circuit, both separate and located in one of the branches of a multi-pole passive electric circuit of the triangle-type. A block diagram of a microprocessor measurement unit is presented. The algorithm of the indirect method for measuring the parameters of the passive complex conductivity of a two-terminal circuit, the rationale of which is given on the basis of the theory of matrices and undirected graphs, is considered. Equations for calculating the modulus and components of
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45

BUSCARINO, ARTURO, LUIGI FORTUNA, MATTIA FRASCA, and GREGORIO SCIUTO. "CHUA'S CIRCUITS SYNCHRONIZATION WITH DIFFUSIVE COUPLING: NEW RESULTS." International Journal of Bifurcation and Chaos 19, no. 09 (2009): 3103–7. http://dx.doi.org/10.1142/s0218127409024670.

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In this communication, synchronization of two diffusively coupled Chua's circuit is studied from the analytical and experimental points of view. The conditions under which complete synchronization is ensured are derived by applying a strategy based on the Master Stability Function. The experimental realization, that makes use of the State-Controlled Cellular Nonlinear Network based implementation of Chua's circuit, shows the synchronized behavior of two circuits coupled with a passive resistor as diffusion coefficient. The results obtained indicates diffusive coupling as a mutually reduced ord
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46

Chien, Hung-Chun. "Dual-Mode Controlled Pulse Width Monostable Multivibrator Using DVCCs." Journal of Circuits, Systems and Computers 24, no. 09 (2015): 1550143. http://dx.doi.org/10.1142/s0218126615501431.

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This paper proposes a dual-mode controlled pulse width monostable multivibrator used for analogue signal processing applications that employs two differential voltage current conveyors (DVCCs), four passive components and an analogue switch. Unlike the traditional operational-amplifier-based monostable multivibrators, the proposed circuit contributes a dual-mode controlled scheme for adjusting the output pulse width through a voltage source and a grounded resistor. This paper discusses several previous designs and presents the circuit operations, related governing formulas, non-ideal effect pr
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47

Horng, Jiun Wei, Pei-Young Chou, and Jian-Yu Wu. "Voltage/Current-Mode Multifunction Filters Using Current-Feedback Amplifiers and Grounded Capacitors." Active and Passive Electronic Components 2010 (2010): 1–5. http://dx.doi.org/10.1155/2010/785631.

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One configuration for realizing voltage-mode multifunction filters and another configuration for realizing current-mode multifunction filters each using two current-feedback amplifiers (CFAs) are presented. The proposed voltage-mode circuit exhibits simultaneously lowpass, bandpass, and highpass filters. The proposed current-mode circuit also exhibits simultaneously lowpass, bandpass, and highpass filters. The proposed circuits offer the following features: no requirements for component matching conditions, low active and passive sensitivities, employing only grounded capacitors, and the abili
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48

SOLIMAN, AHMED M. "HISTORY AND PROGRESS OF THE KERWIN–HUELSMAN–NEWCOMB FILTER GENERATION AND OP AMP REALIZATIONS." Journal of Circuits, Systems and Computers 17, no. 04 (2008): 637–58. http://dx.doi.org/10.1142/s0218126608004551.

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The history of Kerwin–Huelsman–Newcomb (KHN) second-order filter is reviewed. A generation method of the KHN filter from passive RLC filter is presented. Two alternative forms of the KHN circuit using operational amplifier are reviewed. The effect of finite gain-bandwidth of the op amps is considered and expressions of the actual ω0 and Q are given. Two KHN circuits with inherently stable Q factor are also included. Two new partially compensated inverted KHN circuits are introduced. Active compensation methods to improve the KHN and the inverted KHN circuit performance for high Q designs are s
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49

ARSLAN, EMRE, and AVNİ MORGÜL. "SELF-BIASING CURRENT CONVEYOR FOR HIGH FREQUENCY APPLICATIONS." Journal of Circuits, Systems and Computers 21, no. 05 (2012): 1250039. http://dx.doi.org/10.1142/s0218126612500399.

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A new, self-biasing, differential pair-based and high performance CMOS CCII circuit is proposed which uses no additional biasing voltage or current sources other than the two supply rails. The proposed circuit has high voltage swings on ports X and Y, very low equivalent impedance on port X, high equivalent impedances on ports Y and Z and also wideband voltage and current transfer ratios. The noise analysis of the proposed CCII circuit is studied. Input referred noise voltage at high impedance port Y and input referred noise current at low impedance port X are obtained to form the noise model.
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50

Premkumar, M., and T. R. Sumithira. "Design and Implementation of New Topology for Nonisolated DC–DC Microconverter with Effective Clamping Circuit." Journal of Circuits, Systems and Computers 28, no. 05 (2019): 1950082. http://dx.doi.org/10.1142/s0218126619500828.

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This paper presents nonisolated DC–DC converter which suits for solar photovoltaic (PV) applications. The DC–DC converter proposed in this paper utilizes coupled inductor, voltage boost capacitor and passive clamp circuit to achieve desired voltage gain and the passive clamp circuit will help the converter to accomplish high efficiency. To minimize the voltage spike/ringing across MOSFET drain-source and to recover the coupled inductor leakage energy, the RCD clamp circuit is used. The voltage lift capacitor along with the clamp circuit helps in increasing the voltage gain of the converter. Th
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