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Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 28 січня 2023

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1

Dolin, Georgy A., and Anastasiya Y. Kudryashova. "Modified Methods of Circuit Simulation of Radio Engineering Devices in The Time Domain." SYNCHROINFO JOURNAL 6, no. 2 (2020): 7–11. http://dx.doi.org/10.36724/2664-066x-2020-6-2-7-11.

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Анотація:

Today, different modeling methods are used for computer analysis of circuits of radio engineering devices (RED) in the time and frequency domains. The article provides a comparison and highlights the features of using the methods of nodal potentials and variable states. Developed methods of optimization of electrical circuits and discusses the possibility of calculating the margin of stability when changing the parameters of the circuit elements and the search of critical parameter values; theoretically and experimentally confirmed the advantages of using MEAs in the analysis of RED; proposed and implemented ways to eliminate the major disadvantages of the IPU; expanded and improved methods for obtaining the mathematical model of the circuit; the mathematical method allows to obtain the characteristic polynomial of a circuit without calculating its transfer function; the developed block for processing parameters of electrical circuit elements using scaling coefficients can significantly improve the accuracy of calculations; the use of speed-optimized algorithms makes it possible to analyze fairly complex circuits on a medium-performance PC. Developed software allows to analyze a wide class of linear, linearized, and nonlinear circuits for the RED, containing the active elements. The analysis of real electrical circuits proves the validity of all the proposed methods.

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2

Konrad, A., and J. O. Y. Lo. "Time Domain Solution of Planar Circuits." Journal of Electromagnetic Waves and Applications 7, no. 1 (January 1993): 77–92. http://dx.doi.org/10.1163/156939393x01083.

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3

Eccles, William J. "Pragmatic Circuits: DC and Time Domain." Synthesis Lectures on Digital Circuits and Systems 1, no. 1 (January 2006): 1–121. http://dx.doi.org/10.2200/s00031ed1v01y200605dcs002.

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4

Riaza, Ricardo. "Time-domain properties of reactive dual circuits." International Journal of Circuit Theory and Applications 34, no. 3 (May 2006): 317–40. http://dx.doi.org/10.1002/cta.353.

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5

Nzale, Willy, Jean Mahseredjian, Xiaopeng Fu, Ilhan Kocar, and Christian Dufour. "Accurate time-domain simulation of power electronic circuits✰." Electric Power Systems Research 195 (June 2021): 107156. http://dx.doi.org/10.1016/j.epsr.2021.107156.

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6

Griffith, R., and M. S. Nakhla. "Mixed frequency/time domain analysis of nonlinear circuits." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 11, no. 8 (1992): 1032–43. http://dx.doi.org/10.1109/43.149774.

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7

Naudé, J. A., and I. W. Hofsajer. "Generalised random switching circuits: A time‐domain technique." Electronics Letters 52, no. 2 (January 2016): 107–9. http://dx.doi.org/10.1049/el.2015.3027.

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8

Banchuin, Rawid. "On the Dimensional Consistency Aware Fractional Domain Generalization of Simplest Chaotic Circuits." Mathematical Problems in Engineering 2020 (March 19, 2020): 1–20. http://dx.doi.org/10.1155/2020/9862158.

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Анотація:

In this research, we generalize the simplest Chua’s chaotic circuit which is even more simpler than the four-element Chua’s circuit in terms of number of elements and the novel simplest chaotic circuit in the fractional domain by using the fractional circuit elements. Unlike the previous works, the time dimensional consistency aware generalization has been performed for the first time in this work. The dynamics of the generalized fractional nonlinear circuits have been analyzed by means of the fractional calculus based on the modified Riemann–Liouville fractional derivative where the Lyapunov exponents and dimensions have also been numerically calculated. We have found that including the dimensional consistency significantly alters the dynamic of the obtained fractional domain Chua’s circuit from that of the previous dimensional consistency ignored counterpart as different Lyapunov exponents and dimensions can be obtained. The conditions for both fractional domain circuits which cease to be chaotic have also been determined where such condition of Chua's circuit presented in this study is different from that of the previous work. This is because the time dimensionalconsistency has been included. The dynamical analyses of these circuits have also been performed where their conditions for being nonchaotic have been verified. Moreover, their emulators have also been realized.

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9

YTTERDAL, TROND, TOR A. FJELDLY, and MICHAEL S. SHUR. "BEYOND SPICE, A REVIEW OF MODERN ANALOG CIRCUIT SIMULATION TECHNIQUES." International Journal of High Speed Electronics and Systems 09, no. 03 (September 1998): 783–805. http://dx.doi.org/10.1142/s0129156498000324.

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Анотація:

We present a review of modern analog simulation techniques based on time- and frequency-domain algorithms. For time-domain techniques, important topics such as circuit decomposition, relaxation methods, latency, multirate integration, continuation methods, parallel algorithms, and finite difference time-domain methods are discussed. Frequency-domain simulation techniques included are harmonic balance, harmonic relaxation, harmonic-Newton, spectral balance, methods for quasiperiodic circuits, and device modeling for frequency domain simulators. Also included are examples of modern simulators.

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10

Trinchero, Riccardo, Igor S. Stievano, and Flavio G. Canavero. "Steady-State Response of Periodically Switched Linear Circuits via Augmented Time-Invariant Nodal Analysis." Journal of Electrical and Computer Engineering 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/198273.

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Анотація:

We focus on the simulation of periodically switched linear circuits. The basic notation and theoretical framework are presented, with emphasis on the differences between the linear time-invariant and the time-varying cases. For this important class of circuits and sources defined by periodic signals, the computation of their steady-state response is carried out via the solution of an augmented time-invariant MNA equation in the frequency-domain. The proposed method is based on the expansion of the unknown voltages and currents in terms of Fourier series and on the automatic generation of augmented equivalents of the circuit components. The above equivalents along with the information on circuit topology allow creating, via circuit inspection, a time-invariant MNA equation, the solution of which provides the coefficients of both the time- and the frequency-domain responses of the circuit. Analytical and numerical examples are used to stress the generality and benefits of the proposed approach.

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11

Tentzeris, M. M., J. Harvey, and L. P. B. Katehi. "Time adaptive time-domain techniques for the design of microwave circuits." IEEE Microwave and Guided Wave Letters 9, no. 3 (March 1999): 96–98. http://dx.doi.org/10.1109/75.761672.

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12

Antonini, G., and A. Orlandi. "A wavelet-based time-domain solution for PEEC circuits." IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications 47, no. 11 (2000): 1634–39. http://dx.doi.org/10.1109/81.895331.

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13

Xiong, Xiaoyan Y. Z., Li Jun Jiang, Jose E. Schutt-Aine, and Weng Cho Chew. "Volterra Series-Based Time-Domain Macromodeling of Nonlinear Circuits." IEEE Transactions on Components, Packaging and Manufacturing Technology 7, no. 1 (January 2017): 39–49. http://dx.doi.org/10.1109/tcpmt.2016.2627601.

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14

Buonomo, A. "Time-domain analysis of nonlinear circuits with periodic excitation." Electronics Letters 27, no. 1 (January 3, 1991): 65–66. http://dx.doi.org/10.1049/el:19910042.

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15

Wolff, I., and M. Rittweger. "Finite difference time-domain analysis of planar microwave circuits." Archiv für Elektrotechnik 74, no. 3 (May 1991): 189–201. http://dx.doi.org/10.1007/bf01573443.

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16

Ma, Jian-Guo, and Jiqing Zhang. "Stability analysis of nonlinear microwave circuits in time domain." International Journal of Infrared and Millimeter Waves 17, no. 5 (May 1996): 863–70. http://dx.doi.org/10.1007/bf02101394.

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17

Dalle, C., P. A. Rolland, and M. R. Friscourt. "Time-domain numerical modelling of microwave non-linear circuits." International Journal of Numerical Modelling: Electronic Networks, Devices and Fields 5, no. 1 (February 1992): 41–52. http://dx.doi.org/10.1002/jnm.1660050106.

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18

IORDACHE, MIHAI, and LUCIA DUMITRIU. "TIME DOMAIN DIAKOPTIC ANALYSIS BASED ON REDUCED-ORDER STATE EQUATIONS." International Journal of Bifurcation and Chaos 17, no. 10 (October 2007): 3625–31. http://dx.doi.org/10.1142/s0218127407019470.

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Анотація:

In this paper we present some new tearing techniques to systematically formulate the state equations in symbolic normal-form for linear and/or nonlinear time-invariant large-scale analog circuits. The excess elements of the first and of the second kind are unitarily treated in order to allow a symbolic representation of the circuit with a minimum number of state variables. A procedure to reduce the state equation number of each subcircuit is also presented. The reduced-order is based on an implicit integration algorithm and on the successive elimination of the selected state variables. Examples are given to illustrate the decomposition procedure, the assignment of the connection sources and the reduced-order technique.

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19

He, Guo, Chao Jie Zhang, Guang Hui Chang, and Shu Hai Liang. "Testing Analog Circuits by PCA of Power Supply Current." Applied Mechanics and Materials 157-158 (February 2012): 641–45. http://dx.doi.org/10.4028/www.scientific.net/amm.157-158.641.

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Анотація:

A method using principal component analysis (PCA) of dynamic power supply current was proposed for testing of analog circuits in this paper. The basic model of the proposed method and the general rule for analog fault detection were described in detail. At first, the principal component model of fault-free circuits was constructed. Then the circuits-under-test was compared with the principal component model to calculate the statistic for fault detection. The features of power supply current in both time and frequency domain were combined by PCA, and it could overcome the difficulty to determine threshold by empirical knowledge. The proposed method was applied to detect faults of the signal filtering and amplifying circuit, which is used in the ultrasonic liquid-level sensor. The results show that the power supply current contains information about the circuit’s faults, and can be used for fault detection of analog circuits by analyzing this signal.

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20

Banchuin, Rawid. "Comparative analyses of electrical circuits with conventional and revisited definitions of circuit elements: a fractional conformable calculus approach." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 41, no. 1 (December 17, 2021): 258–82. http://dx.doi.org/10.1108/compel-03-2021-0079.

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Анотація:

Purpose The purpose of this paper is to comparatively analyze the electrical circuits defined with the conventional and revisited time domain circuit element definitions in the context of fractional conformable calculus and to promote the combined usage of conventional definitions, fractional conformable derivative and conformable Laplace transform. Design/methodology/approach The RL, RC, LC and RLC circuits described by both conventional and revisited time domain circuit element definitions has been analyzed by means of the fractional conformable derivative based differential equations and conformable Laplace transform. The comparison among the obtained results and those based on the methodologies adopted in the previous works has been made. Findings The author has found that the conventional definitions-based solution gives a physically reasonable result unlike its revisited definitions-based counterpart and the solutions based on those previous methodologies. A strong agreement to the time domain state space concept-based solution can be observed. The author has also shown that the scalar valued solution can be directly obtained by singularity free conformable Laplace transform-based methodology unlike such state space concept based one. Originality/value For the first time, the revisited time domain definitions of resistance and inductance have been proposed and applied together with the revisited definition of capacitance in electrical circuit analyses. The advantage of the combined usage of conventional time definitions, fractional conformable derivative and conformable Laplace transform has been suggested and the impropriety of applying the revisited definitions in circuit analysis has been pointed out.

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21

Zitouna, Bessem, and Jaleleddine Ben Hadj Slama. "Modeling Circuits Radiation with Electromagnetic Inverse Method in Time Domain." International Review on Modelling and Simulations (IREMOS) 9, no. 3 (June 30, 2016): 165. http://dx.doi.org/10.15866/iremos.v9i3.8145.

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22

Ye, Yinghao, Domenico Spina, Wim Bogaerts, and Tom Dhaene. "Baseband Macromodeling of Linear Photonic Circuits for Time-Domain Simulations." Journal of Lightwave Technology 37, no. 4 (February 15, 2019): 1364–73. http://dx.doi.org/10.1109/jlt.2019.2893545.

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23

Maffezzoni, P., L. Codecasa, and D. D'Amore. "Event-Driven Time-Domain Simulation of Closed-Loop Switched Circuits." IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 25, no. 11 (November 2006): 2413–26. http://dx.doi.org/10.1109/tcad.2006.882121.

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24

Raahemi, B., and A. Opal. "Time domain sensitivity of linear circuits using sampled data simulation." IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications 47, no. 6 (June 2000): 948–57. http://dx.doi.org/10.1109/81.852952.

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25

Quan Li and Fei Yuan. "Time-domain response and sensitivity of periodically switched nonlinear circuits." IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications 50, no. 11 (November 2003): 1436–46. http://dx.doi.org/10.1109/tcsi.2003.818615.

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26

Jong, J. M., and V. K. Tripathi. "Time-domain characterization of interconnect discontinuities in high-speed circuits." IEEE Transactions on Components, Hybrids, and Manufacturing Technology 15, no. 4 (1992): 497–504. http://dx.doi.org/10.1109/33.159879.

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27

Dib, Nihad, and Thomas Weller. "Finite difference time domain analysis of cylindrical coplanar waveguide circuits." International Journal of Electronics 87, no. 9 (September 2000): 1083–94. http://dx.doi.org/10.1080/002072100413019.

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28

BLAKIEWICZ, GRZEGORZ, and WŁODZIMIERZ JANKE. "RECURSIVE CONVOLUTION ALGORITHMS FOR TIME-DOMAIN SIMULATION OF ELECTRONIC CIRCUITS." Computational Methods in Science and Technology 7, no. 2 (2001): 91–109. http://dx.doi.org/10.12921/cmst.2001.07.02.91-109.

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29

Wang, XiaoYuan, Herbert H. C. Iu, GuangYi Wang, and Wei Liu. "Study on Time Domain Characteristics of Memristive RLC Series Circuits." Circuits, Systems, and Signal Processing 35, no. 11 (February 5, 2016): 4129–38. http://dx.doi.org/10.1007/s00034-016-0250-6.

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30

Lombardi, Luigi, Michel S. Nakhla, Francesco Ferranti, and Giulio Antonini. "Time-Domain Sensitivity Analysis of Delayed Partial Element Equivalent Circuits." IEEE Transactions on Electromagnetic Compatibility 61, no. 5 (October 2019): 1465–73. http://dx.doi.org/10.1109/temc.2018.2866378.

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31

SAVACI, F. A., M. E. YALÇIN, and C. GÜZELIŞ. "STEADY-STATE ANALYSIS OF NONLINEARLY COUPLED CHUA'S CIRCUITS WITH PERIODIC INPUT." International Journal of Bifurcation and Chaos 13, no. 11 (November 2003): 3395–407. http://dx.doi.org/10.1142/s0218127403008697.

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Анотація:

In this paper, nonlinearly coupled identical Chua's circuits, when driven by sinusoidal signal have been analyzed in the time-domain by using the steady-state analysis techniques of piecewise-linear dynamic systems. With such techniques, it has become possible to obtain analytical expressions for the transfer functions in terms of the circuit parameters. The proposed system under consideration has also been studied by analog simulations of the overall system on a hardware realization using off-the-shelf components as well as by a time-domain analysis of the synchronization error.

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32

CAFAGNA, DONATO, and GIUSEPPE GRASSI. "FRACTIONAL-ORDER CHUA'S CIRCUIT: TIME-DOMAIN ANALYSIS, BIFURCATION, CHAOTIC BEHAVIOR AND TEST FOR CHAOS." International Journal of Bifurcation and Chaos 18, no. 03 (March 2008): 615–39. http://dx.doi.org/10.1142/s0218127408020550.

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In this tutorial the chaotic behavior of the fractional-order Chua's circuit is investigated from the time-domain point of view. The objective is achieved using the Adomian decomposition method, which enables the solution of the fractional differential equations to be found in closed form. By exploiting the capabilities offered by the decomposition method, the paper presents two remarkable findings. The first result is that a novel bifurcation parameter is identified, that is, the fractional-order q of the derivative. The second result is that chaos exists in the fractional Chua's circuit with order q = 1.05, which is the lowest order reported in literature for such circuits. Finally, a reliable and efficient binary test for chaos (called "0–1 test") is utilized to detect the presence of chaotic attractors in the system dynamics.

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33

Kast, Joshua, and Atef Elsherbeni. "Simulation of a Nonlinear Frequency Multiplier using the FDTD Technique." Applied Computational Electromagnetics Society 35, no. 11 (February 5, 2021): 1426–27. http://dx.doi.org/10.47037/2020.aces.j.351182.

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Nonlinear circuits are a key component in RF transceivers. Efficiency and power requirements for 5G communication are creating new challenges in simulation and modeling of nonlinear devices. An application of the finite-difference time-domain (FDTD) method to nonlinear circuits comprising diodes is demonstrated. A frequency multiplier is constructed from a diode and a low-pass filter. The diode is simulated in the context of this circuit to demonstrate the formation of harmonics.

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34

Al-Qutayri, Mahmoud A., and Peter R. Shepherd. "Application of Dynamic Supply Current Monitoring to Testing Mixed-Signal Circuits." VLSI Design 5, no. 3 (January 1, 1997): 223–40. http://dx.doi.org/10.1155/1997/47423.

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Анотація:

This paper applies the time-domain testing technique and compares the effectiveness of transient voltage and dynamic power supply current measurements in detecting faults in CMOS mixed-signal circuits. The voltage and supply current (iDDT) measurements are analyzed by three methods to detect the presence of a fault, and to establish which measurement achieves higher confidence in the detection. Catastrophic, soft and stuck-at single fault conditions were introduced to the circuit-under-test (CUT). The time-domain technique tests a mixed-signal CUT in a unified fashion, thereby eliminating the need to partition the CUT into separate analogue and digital modules.

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35

Shukla, Mohit. "A 13.42ps Resolution, Low-Power Time-to-Digital Converter and 0.519fJ Energy-Efficient Novel Voltage-to-Time Converter for High-Speed Time-Based ADC Application." Journal of University of Shanghai for Science and Technology 24, no. 02 (February 19, 2022): 1020–30. http://dx.doi.org/10.51201/jusst/21/10878.

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Анотація:

Voltage domain ADC architectures require high gain and high bandwidth opamps to amplify the signal for successive stages. The opamp design gets a bit challenging due to noise, small gain and lower overdrive voltage. Due to these limitations, the inclination shifted towards high-speed converters which don’t require opamps. Time based Analog to Digital Converters (TBADC) is one such category of circuits. TBADCs are constituted from VTC followed by TDC with an encoder in the end. This work is concerned around the design of a high-resolution time to digital converter (TDC) and proposing a novel high-speed, low power consuming voltage to time converter (VTC) circuit. Both the circuits were implemented in Cadence Virtuoso EDA tool version 6.1.7 and Spectre was employed for running the simulations. TDC circuits had resolution of 13.425 ps and consume power of 1.873 μW. Process corner analysis and Monte Carlo analysis were performed on VTC design to determine worst possible deviations in performance. The proposed VTC exhibited delay of 23.79 ps with power consumption of 21.83 μW at 1 Volt. The presented TDC and VTC circuits can be used to design high-speed time-based Analog to Digital Converters.

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36

Nzale, Willy, Jean Mahseredjian, Xiaopeng Fu, Ilhan Kocar, and Christian Dufour. "Improving Numerical Accuracy in Time-Domain Simulation for Power Electronics Circuits." IEEE Open Access Journal of Power and Energy 8 (2021): 157–65. http://dx.doi.org/10.1109/oajpe.2021.3072369.

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37

Asada, Kunihiro, Toru Nakura, Tetsuya Iizuka, and Makoto Ikeda. "Time-domain approach for analog circuits in deep sub-micron LSI." IEICE Electronics Express 15, no. 6 (2018): 20182001. http://dx.doi.org/10.1587/elex.15.20182001.

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38

Oliveira, J. F., and J. C. Pedro. "An Efficient Time-Domain Simulation Method for Multirate RF Nonlinear Circuits." IEEE Transactions on Microwave Theory and Techniques 55, no. 11 (November 2007): 2384–92. http://dx.doi.org/10.1109/tmtt.2007.908679.

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39

Maffezzoni, P. "A Versatile Time-Domain Approach to Simulate Oscillators in RF Circuits." IEEE Transactions on Circuits and Systems I: Regular Papers 56, no. 3 (March 2009): 594–603. http://dx.doi.org/10.1109/tcsi.2008.2002659.

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40

Elfrgani, Aseim M., Renaud Moussounda, and Roberto G. Rojas. "Stability assessment of non‐Foster circuits based on time‐domain method." IET Microwaves, Antennas & Propagation 9, no. 15 (December 2015): 1769–77. http://dx.doi.org/10.1049/iet-map.2014.0671.

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41

Zou, Ming, Jean Mahseredjian, Geza Joos, Benoît Delourme, and Luc Gérin-Lajoie. "Interpolation and reinitialization in time-domain simulation of power electronic circuits." Electric Power Systems Research 76, no. 8 (May 2006): 688–94. http://dx.doi.org/10.1016/j.epsr.2005.12.019.

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42

Zitouna, Bessem, and Jaleleddine Ben Hadj Slama. "Enhancement of Time-Domain Electromagnetic Inverse Method for Modeling Circuits Radiations." IEEE Transactions on Electromagnetic Compatibility 58, no. 2 (April 2016): 534–42. http://dx.doi.org/10.1109/temc.2016.2520882.

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43

Brambilla, A., and D. D'Amore. "Algorithm to simulate periodically switched power circuits in the time domain." Electronics Letters 30, no. 17 (August 18, 1994): 1367–68. http://dx.doi.org/10.1049/el:19940955.

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44

Shi, Congyin, Sanghoon Lee, Sergio Soto Aguilar, and Edgar Sánchez-Sinencio. "A Time-Domain Digital-Intensive Built-In Tester for Analog Circuits." Journal of Electronic Testing 34, no. 3 (February 19, 2018): 313–20. http://dx.doi.org/10.1007/s10836-018-5713-1.

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45

Wolff, Ingo. "Finite difference time-domain simulation of electromagnetic fields and microwave circuits." International Journal of Numerical Modelling: Electronic Networks, Devices and Fields 5, no. 3 (August 1992): 163–82. http://dx.doi.org/10.1002/jnm.1660050306.

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46

Mehdi, Hassan, Sebastien Mons, Abderrazak Bennadji, Edouard Ngoya, and Raymond Quere. "Improvement of the envelope – transient S-parameters' simulation in circuit and system simulation." International Journal of Microwave and Wireless Technologies 3, no. 6 (November 17, 2011): 657–65. http://dx.doi.org/10.1017/s1759078711000717.

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Анотація:

This paper focuses on the behavioral modeling of the passive RF blocks from frequency-domain samples. This work is based on vector fitting (VF) approach which is a robust method for MIMO system identification in the frequency domain. This paper addresses firstly the problem of convergence using envelope transient (ET) on complex circuits, i.e. power amplifiers (PAs), where linear sub-circuits are widely described through S-parameters matrices derived from ElectroMagnetic (EM) simulations. An alternative way leads to combine VF method with an RLC synthesis process at the circuit level. This approach is validated on a simple circuit case and generalized to MIMO systems. Second application is the behavioral modeling of MIMO blocks at system level in a high-level spice-like system simulation tool which allows “Control Flow” simulations. The proposed approach combines on one hand the VF method with and impulse responses evaluation on the other hand. In consequence, bilateral behavioral models of MIMO system can be efficiently achieved irrespective of the number of access. This method is validated at once on simple and complex MIMO blocks. As a result, the topological behavioral modeling of complex PAs, which distinguish linear sub-circuits and nonlinear ones, is now possible in a high-level time-domain CAD tool.

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47

Zhang, Chaojie, Guo He, Jiankeng Yu, and Xionglong Pan. "Fault features analysis for soft faults of analog circuits with tolerance." MATEC Web of Conferences 232 (2018): 04017. http://dx.doi.org/10.1051/matecconf/201823204017.

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Soft faults of analog circuits are more difficult to diagnose than hard faults because the soft faults are caused by the deviations of component parameters. Node voltages were traditionally used as the testing signals to diagnose analog circuits. With the rapid development of integrated circuits technology, fewer and fewer circuit nodes are accessible. Only the output voltage can be tested in many cases. This cries for other new accessible signal except for the traditional voltage signal. In this paper, the fault features of testing signal in both time-domain and frequency-domain are analysed. The output voltage was acquired firstly. Its fault features were extracted and used for fault diagnosis. The results show that the soft faults of Tow-Thomas filter cannot be uniquely located by using this output voltage only. Then a new accessible signal, which named dynamic power supply current, was acquired and its fault features were analysed. And the results were compared with those using output voltages. The comparing results show the validity of dynamic power supply current. This signal contains information related with the circuits’ topology and can be used for fault diagnosis of analog circuits.

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48

Brambilla, A., and G. Storti-Gajani. "TIME DOMAIN METHOD FOR THE DETERMINATION OF THE STEADY STATE BEHAVIOUR OF NONLINEAR CIRCUITS DRIVEN BY MULTI-TONE SIGNALS." SYNCHROINFO JOURNAL 7, no. 3 (2021): 12–16. http://dx.doi.org/10.36724/2664-066x-2021-7-3-12-16.

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Time domain methods, while well suited to compute the steady state behaviour of strongly nonlinear non-autonomous electrical circuits, are inefficient if the periods of the forcing signals have a very large minimum common multiple. The solution of the periodicity constraint requires to integrate the differential algebraic equation (DAE) describing the circuit along the T period and this can be a CPU time consuming task. Literature reports several attempts to extend the SH method to simulate circuits driven by multi-tone signals [2] [4] [5]. However, as far as we know, all they suffer of limitations and it is our opinion that an efficient and general extension has not been found, yet. In this paper we present a possible extension that takes its origin from the previous approach reported in [2]. In this paper a modification of the conventional shooting method is presented that tries to overcome the above drawback.

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FAN, Yuyang, Zhi DENG, and Zihang LI. "Verification and reliability analysis of synchronizers in clock domain crossing." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 40, no. 2 (April 2022): 369–76. http://dx.doi.org/10.1051/jnwpu/20224020369.

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There are a large number of multi-clock domain circuits in the airborne equipment of aircraft. When data is transmitted across the clock domain, meta-stability may occur, resulting in data transmission errors and reduced circuit reliability. However, due to the occasional and non-reproducible faults caused by metastability, and the high cost of existing cross-clock domain specific verification software, cross-clock domain circuit verification in three-mode redundancy scenarios is not supported. To solve this problem, a method that combines register transfer level (RTL) validation, board-level accelerated testing and computational evaluation based on traditional tools is presented. This method can detect the cross-clock domain transmission problems in three-mode application scenarios or normal scenarios and assess potential cross-clock domain transmission risks using generic simulation tools at an early stage of design. It reduces the cost of economy and time for high safety level airborne complex electronic verification, and improves the reliability of the circuit.

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Taillefer, Chris, M. Bonnin, M. Gilli, and P. P. Civalleri. "A MIXED TIME-FREQUENCY DOMAIN APPROACH FOR THE QUALITATIVE ANALYSIS OF AN HYSTERETIC OSCILLATOR." SYNCHROINFO JOURNAL 7, no. 4 (2021): 26–29. http://dx.doi.org/10.36724/2664-066x-2021-7-4-26-29.

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Frequency domain techniques, like harmonic balance and describing function, are classical methods for studying and designing electronic oscillators and nonlinear microwave circuits. In most applications spectral techniques have been used for determining the steady-state behavior of nonlinear circuits that exhibit a single periodic attractor. On the other hand, the global dynamics of nonlinear networks and systems is usually investigated through time-domain techniques, that require to introduce rather complex and sophisticated concepts. Recently some HB based techniques have been proposed for investigating bifurcation processes in nonlinear circuits that present several attractors (the authors have considered systems that admits of a Lur’e representation). Their approach presents the advantages of providing a simple and qualitative description of the system dynamics, that can be effectively exploited for design purposes. In this manuscript we will examine a third order hysteretic oscillator, that cannot be decribed in the classical Lur’e form and we will show that its dynamics can be investigated through the joint application of the describing function technique and of a suitable time-domain method for estimating Floquet’s multipliers.

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