Academic literature on the topic 'Oscillators, Resistance-capacitance'

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Journal articles on the topic "Oscillators, Resistance-capacitance"

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Velichko, Andrey, Maksim Belyaev, Vadim Putrolaynen, Alexander Pergament, and Valentin Perminov. "Switching dynamics of single and coupled VO2-based oscillators as elements of neural networks." International Journal of Modern Physics B 31, no. 02 (2017): 1650261. http://dx.doi.org/10.1142/s0217979216502611.

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In the present paper, we report on the switching dynamics of both single and coupled VO2-based oscillators, with resistive and capacitive coupling, and explore the capability of their application in oscillatory neural networks. Based on these results, we further select an adequate SPICE model to describe the modes of operation of coupled oscillator circuits. Physical mechanisms influencing the time of forward and reverse electrical switching, that determine the applicability limits of the proposed model, are identified. For the resistive coupling, it is shown that synchronization takes place a
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Sebek, Michael, Yoji Kawamura, Ashley M. Nott, and István Z. Kiss. "Anti-phase collective synchronization with intrinsic in-phase coupling of two groups of electrochemical oscillators." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 377, no. 2160 (2019): 20190095. http://dx.doi.org/10.1098/rsta.2019.0095.

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The synchronization of two groups of electrochemical oscillators is investigated during the electrodissolution of nickel in sulfuric acid. The oscillations are coupled through combined capacitance and resistance, so that in a single pair of oscillators (nearly) in-phase synchronization is obtained. The internal coupling within each group is relatively strong, but there is a phase difference between the fast and slow oscillators. The external coupling between the two groups is weak. The experiments show that the two groups can exhibit (nearly) anti-phase collective synchronization. Such synchro
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Fan, Suyan, Man-Kay Law, Mingzhong Li, et al. "Wide Input Range Supply Voltage Tolerant Capacitive Sensor Readout Using On-Chip Solar Cell." Journal of Circuits, Systems and Computers 25, no. 01 (2015): 1640006. http://dx.doi.org/10.1142/s0218126616400065.

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In this paper, a wide input range supply voltage tolerant capacitive sensor readout circuit using on-chip solar cell is presented. Based on capacitance controlled oscillators (CCOs) for ultra-low voltage/power consumption, the sensor readout circuit is directly powered by the on-chip solar cell to improve the overall system energy efficiency. An extended sensing range with high sensing accuracy is achieved using a two-step successive approximation register (SAR) and delta-sigma ([Formula: see text]) analog-to-digital (A/D) conversion (ADC) scheme. Digital controls are generated on-chip using a
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Sheriff, DW. "Why Did the Apparent Hydraulic Conductance of Plants Oscillate for Passioura and Tanner?" Functional Plant Biology 14, no. 4 (1987): 475. http://dx.doi.org/10.1071/pp9870475.

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When using an apparatus to keep constant the position of the meniscus at the end of a cut petiole of phosphorus-deficient plants, Passioura and Tanner [Aust. J. Plant Physiol.12, 455-61 (1985)] observed oscillations in the applied balancing pressure. They ascribed these to oscillations in the hydraulic con- ductance of the plant. Their results are re-examined using an electric analogue, and it is suggested that oscillations resulted from the combination of hydraulic resistance and capacitance in the plant in conjunction with the apparatus they used. Measurement of the hydraulic resistance and
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Saad, Sehmi, Mongia Mhiri, Aymen Ben Hammadi, and Kamel Besbes. "A 5-mW, 1.2–3.5-GHz Capacitive Degeneration in LC-Digitally-Controlled Oscillator for Nano-Satellite Frequency Synthesizers in 90-nm CMOS." Journal of Circuits, Systems and Computers 25, no. 12 (2016): 1650159. http://dx.doi.org/10.1142/s0218126616501590.

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This paper proposes an 8-bit LC tuned digitally-controlled oscillator (DCO) that exploits a new tunable active inductor (TAI) with a high [Formula: see text]-factor. This TAI achieves a maximum [Formula: see text]-factor value of 98 over a frequency range of 1770[Formula: see text]MHz. It tunes from 3.55[Formula: see text]nH to 15.2[Formula: see text]nH. The proposed TAI is used in the resonator of a wide tunable low-phase-noise DCO-LC oscillator. The tuning circuitry of the DCO with an additional resistance contributes to better effective capacitance characteristics as compared to the basic t
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Wang, Xiao Yan, and Jian Ping Liu. "Design of Oscillator for PWM Controller." Applied Mechanics and Materials 157-158 (February 2012): 1242–45. http://dx.doi.org/10.4028/www.scientific.net/amm.157-158.1242.

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An oscillator is designed for PWM controller chip. The resistance Rt and capacitance Ct for oscillator are located outside the chip to adjust the frequency expediently. The circuit is simulated by CADENCE Spectre, and the simulation results show that the frequency of the oscillator is 52.84KHz (at Vcc=15V), voltage stability is 0.4%. The layout is done based on the process flow and layout levels of bipolar 45V process provided by HUAYUE Microelectronics Company. The test results prove that the oscillator present in this paper meets the design requirements.
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Matute, Arnaldo, Leonel Paredes-Madrid, Gelman Moreno, Fabián Cárdenas, and Carlos A. Palacio. "A Novel and Inexpensive Approach for Force Sensing Based on FSR Piezocapacitance Aimed at Hysteresis Error Reduction." Journal of Sensors 2018 (2018): 1–16. http://dx.doi.org/10.1155/2018/6561901.

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Force-sensing resistors (FSRs) are inexpensive alternatives to load cells. They are suitable for applications where noninvasive devices are needed to measure force, stress, or pressure. However, they have been proved to be hysteresis prone and offer nonrepeatable readings due to their highly voltage-dependent electrical resistance. A piezocapacitive effect has been found as an alternative phenomenon that is able to offer force-dependent readings of capacitance with less hysteresis error. Also, this capacitance is not dependent on voltage, which also improves repeatability in force measurements
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Beige, H., M. Diestelhorst, R. Forster, J. Albers, and J. Petersson. "Chaos Near Structural Phase Transition." Zeitschrift für Naturforschung A 45, no. 8 (1990): 958–64. http://dx.doi.org/10.1515/zna-1990-0804.

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Abstract An experimental model of a Duffing oscillator is presented. It consists of a linear inductance, a resistance and a ferroelectric nonlinear capacitance. A computer controlled measuring system recorded quantitatively the phase portrait of this series-resonance circuit. The comparison of experimentally observed phase portraits with those calculated by a computer allows to check different assumptions about the nature of the nonlinear properties
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Baptista, C. A., M. P. Ramos, and C. H. de Jesus. "Correlation between damping coefficients and externally injected currents in oscillations produced by lithium ions in frog skin." Journal of Experimental Biology 135, no. 1 (1988): 51–64. http://dx.doi.org/10.1242/jeb.135.1.51.

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Oscillations in the electrical parameters elicited by Li+ added to the mucosal side of frog skin in vitro were studied under different experimental conditions. The correlation between the damping coefficient and the size of the externally injected current was ascertained. The size of the overall epithelial resistance in NaCl-Ringer seems to be a good indicator of the qualitative behaviour of the skin in the presence of Li+: the higher the resistance the less probable the occurrence of oscillations. Addition of amiloride allowed the calculation of the electromotive force in Na+- and Li+-Ringer.
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KOLHATKAR, GITANJALI, JEFFREY F. WHEELDON, CHRISTOPHER E. VALDIVIA, et al. "CURRENT–VOLTAGE MEASUREMENTS WITHIN THE NEGATIVE DIFFERENTIAL RESISTANCE REGION OF AlGaAs/AlGaAs TUNNEL JUNCTIONS FOR HIGH CONCENTRATION PHOTOVOLTAICS." International Journal of Nanoscience 11, no. 04 (2012): 1240014. http://dx.doi.org/10.1142/s0219581x12400145.

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The current–voltage characteristics of AlGaAs/AlGaAs tunnel junctions for use in multi-junction solar cells are studied experimentally, where tunneling current peaks of 1100 A/cm2 and specific contact resistivities of 0.3 × 10-4Ω⋅cm2 at 7 A/cm2 (typical concentrated photovoltaic operating current) are measured. This represents an ideal tunnel junction design, with a very low resistance and one of the highest tunneling peak currents reported for solar cells. Normally, solar cell current–voltage characteristics are measured using time-averaged methods, which, in this study, reveal a tunneling pe
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Dissertations / Theses on the topic "Oscillators, Resistance-capacitance"

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Weisz, Mario. "Electrothermal device-to-circuit interactions for half THz SiGe∶C HBT technologies." Thesis, Bordeaux 1, 2013. http://www.theses.fr/2013BOR14909/document.

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Ce travail concerne les transistors bipolaires à hétérogène TBH SiGe. En particulier, l'auto-échauffement des transistors unitaires et le couplage thermique avec leurs plus proches voisins périphériques sont caractérisés et modélisés. La rétroaction électrothermique intra- et inter-transistor est largement étudiée. En outre, l’impact des effets thermiques sur la performance de deux circuits analogiques est évalué. L'effet d'autoéchauffement est évalué par des mesures à basse fréquence et des mesures impulsionnelles DC et AC. L'auto-échauffement est diminué de manière significative en utilisant
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Books on the topic "Oscillators, Resistance-capacitance"

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Lasek, Leon. Analiza i synteza układów generacyjnych RC. Dział Wydawnictw Politechniki Śląskiej, 1988.

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Conference papers on the topic "Oscillators, Resistance-capacitance"

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Pasharavesh, Abdolreza, Y. Alizadeh Vaghasloo, A. Fallah, and M. T. Ahmadian. "Control of Vibration Amplitude, Frequency and Damping of an Electrostatically Actuated Microbeam Using Capacitive, Inductive and Resistive Elements." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40130.

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In this study vibration amplitude, frequency and damping of a microbeam is controlled using a RLC block containing a capacitor, resistor and inductor in series with the microbeam. Applying this method all of the considerable characteristics of the oscillatory system can be determined and controlled with no change in the geometrical and physical characteristics of the microbeam. Euler-Bernoulli assumptions are made for the microbeam and the electrical current through the microbeam is computed by considering the microbeam deflection and its voltage. Considering the RLC block, the voltage differe
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