coupling circuit function

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  • Time to wake up: Studying neurovascular coupling and brain ...

    2017-6-1 · We review the effects of anesthesia on neurovascular coupling and brain circuit function. • Anesthesia decreases brain metabolism and perturbs other physiological processes. • Neural excitability and neurovascular coupling are altered by anesthesia. • Brain circuit function are changed by anesthesia relative to the awake animal. •

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  • Time to wake up: Studying neurovascular coupling and brain ...

    Time to wake up: Studying neurovascular coupling and brain-wide circuit function in the un-anesthetized animal Functional magnetic resonance imaging (fMRI) has allowed the noninvasive study of task-based and resting-state brain dynamics in humans by inferring neural activity from blood-oxygenation-level dependent (BOLD) signal changes.

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  • Functional Coupling within the Mesolimbic Circuit in First ...

    2021-3-1 · In animal models of psychosis, hyperactivity of the hippocampus was associated with upregulation of tonic activity in the VTA (Modinos et al., 2015), suggesting that the dopaminergic dysregulation might be presented within the coupling of the hippocampus and VTA, not only their activation. One aspect of the aberrant functional connectivity in the mesolimbic circuit that was …

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  • Ucp2-dependent microglia-neuronal coupling controls ...

    2021-4-20 · Ucp2-dependent microglia-neuronal coupling controls ventral hippocampal circuit function and anxiety-like behavior

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  • Coupling of mitochondrial function and skeletal muscle ...

    However, the mechanism for coupling … Upon adaption of skeletal muscle to physiological and pathophysiological stimuli, muscle fiber type and mitochondrial function are coordinately regulated. Recent studies have identified pathways involved in control of contractile proteins of oxidative-type fibers. However, the mechanism for coupling …

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  • Coupling of mitochondrial function and skeletal muscle ...

    Time to wake up: Studying neurovascular coupling and brain-wide circuit function in the un-anesthetized animal. 2016 Gao, YR., Ma, Y., Zhang, Q., Winder AT., Liang, Z., Antinori L, Drew, PJ., Zhang, N. 版权所有 © 2006- 2021 中国科学院脑科学与智能技术卓越创新中心(神经科学研究所). 上海市岳阳路320号 邮编: 200031. 电话:86-21-54921723 传真:86-21-54921735 邮 …

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  • Coupling and Bypass Capacitors - McMaster University

    2016-8-9 · Thus, we have identified a miR‐499/Fnip1/AMPK circuit that can serve as a mechanism to couple muscle fiber type and mitochondrial function.

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  • Coupling Capacitor : Construction, Working, Types and Its ...

    2004-3-31 · Coupling and Bypass Capacitors Coupling capacitors (or dc blocking capacitors) are use to decouple ac and dc signals so as not to disturb the quiescent point of the circuit when ac signals are injected at the input. Bypass capacitors are used to force signal currents around elements by providing a low impedance path at the frequency. +-30 kΩ 10 kΩ

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  • What is the difference between Coupling, Decoupling ...

    2020-12-9 · Coupling capacitors are widely used in amplifier circuits. For example, in single supply op-amp based amplifiers, where the non-inverting input is biased to a reference voltage or a virtual ground. This is done so that the ground level of your signal will be positioned so that the negative part of your signal will not be cut off.

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  • Time to wake up: Studying neurovascular coupling and brain ...

    We argue that the time is right to study neurovascular coupling and brain circuit function in the awake animal to bridge the physiological mechanisms that underlie animal and human neuroimaging signals, and to interpret them in light of underlying neural mechanisms. Lastly, we discuss recent experimental innovations that have enabled the study ...

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  • What is Coupling Capacitor? - Working Principle, Type

    2016-8-12 · As a coupling capacitor, its function is to allow AC signals to pass normally, while blocking the DC current of the previous amplifier circuit, so that it will not affect the operating point of the next amplifier circuit.

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  • Time to wake up: Studying neurovascular coupling and brain ...

    Time to wake up: Studying neurovascular coupling and brain-wide circuit function in the un-anesthetized animal. 2016 Gao, YR., Ma, Y., Zhang, Q., Winder AT., Liang, Z ...

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  • Coupling Capacitor : Construction, Working, Types and Its ...

    2016-11-28 · Anesthesia alters neural circuit function. Investigating neural circuit function plays a fundamental role in neuroscience. The brain is a highly inter-connected system that gives rise to complex, diverse and integrated information processing (Alkire et al., 2008; Tononi et al., 1998). The proper function of neural circuits and networks is ...

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  • Design of Bidirectional Coupling Circuit for Broadband ...

    These are used in a variety of applications like coupling, filtering, timing, and de-coupling. The coupling type allows AC components and blocks DC components. The circuit performance, reliability, and a lifetime can be determined by the capacitor. Here is a question for you, what is the function of a decoupling capacitor?

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  • Capacitor coupling induces synchronization between neural ...

    2013-12-24 · Design of Bidirectional Coupling Circuit for Broadband Power-Line Communications . ... an arbitrary function generator and coupled to the power-line through the coupler. The FSK modulated waveform, before the transmitting side coupler input is shown in Figure 6 and FFT of this

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  • IEEE TRANSACTIONS ON MICROWAVE THEORY AND

    2019-7-29 · The capacitor coupling just explained the physical mechanism as field coupling because the output voltage from each circuit just modulated the inner electric field in the coupling capacitor by continuous charging and discharging on the plates of capacitor; at the same time, the field energy in the capacitor is controlled.

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  • Coupling Capacitor its Basic Construction, Working and ...

    2016-8-2 · for Circuit Model Extraction of Coupled-Resonator Diplexers ... Abstract—In this paper, a novel rational function approxi-mation method, namely, model-based vector fitting (MVF), is proposed for accurate extraction of the characteristic functions of a coupled-resonator diplexer with a resonant type of junction ... coupling matrix ...

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  • Mutual inductance and coupling coefficient | Electronics ...

    2020-2-7 · Coupling capacitor is the basic type of capacitors. A capacitor is a storage device that is known for storing the charge. Its structure is very simple in design. Parallel plates that are present in a capacitor are separated by the dielectric. Hence this makes the capacitor capable to store charges. A capacitor is available in various forms.

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  • Time to wake up: Studying neurovascular coupling and brain ...

    We argue that the time is right to study neurovascular coupling and brain circuit function in the awake animal to bridge the physiological mechanisms that underlie animal and human neuroimaging signals, and to interpret them in light of underlying neural mechanisms. Lastly, we discuss recent experimental innovations that have enabled the study ...

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  • Resonant electrical coupling: circuit model and first ...

    Circuit model most commonly used to describe resonant magnetic coupling. Z4 =R O +R4 −j/wC4 +jwL4. (10) In addition, M12, M23 and M34 can be written as a function of magnetic coupling coefficients M12 =k12 p L1L2,0≤ k12 ≤ 1 (11) M23 =k23 p L2L3,0≤ k23 ≤ 1 (12) M34 =k34 p L3L4,0≤ k34 ≤ 1. (13) Since the power delivered to R O is P ...

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  • Design of Bidirectional Coupling Circuit for Broadband ...

    2013-12-24 · Design of Bidirectional Coupling Circuit for Broadband Power-Line Communications . ... an arbitrary function generator and coupled to the power-line through the coupler. The FSK modulated waveform, before the transmitting side coupler input is shown in Figure 6 and FFT of this

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  • Power line communication AC coupling circuit

    2017-6-23 · The frequency response of the coupling circuit is wide enough to fit any narrow-band PLC signal under normal test conditions. However, it can be easily adjusted by changing only the tuning series inductor L1. The STEVAL-XPLM01CPL is suitable for lab measurements using equipment like an isolated or to inject a signal from an arbitrary function

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  • A scanning transmon qubit for strong coupling circuit ...

    2013-6-7 · The fitting function uses the resonator frequency ... A. A. Tunable coupling in circuit quantum electrodynamics using a superconducting charge qubit with a V-shaped energy level diagram. Phys. Rev.

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  • Wireless Power Transfer Using Resonant Inductive Coupling ...

    2016-6-16 · A. Equivalent Circuit Fig. 2 shows the concept of an inductive power link and its equivalent circuit. The RF input signal with a power amplifier in the transmitter is modeled as a voltage source in the primary resonator. The receiver is modeled as a resister RL in the secondary resonator. k is the transformer coupling coefficient,

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  • RC Coupling Amplifier - Tutorialspoint

    2021-7-23 · This is the mostly used coupling technique in amplifiers. Construction of a Two-stage RC Coupled Amplifier. The constructional details of a two-stage RC coupled transistor amplifier circuit are as follows. The two stage amplifier circuit has two transistors, connected in CE configuration and a common power supply V CC is used.

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  • Phys. Rev. Applied 8, 014004 (2017) - Coherent Coupled ...

    2017-7-10 · Figure 7. Mediated coupling. (a) Circuit schematic for two flux qubits with persistent currents I p A, B which each couple through a mutual inductance M ˜ to an intermediate loop of inductance L. (b) Circuit schematic for a similar configuration but with the intermediate loop replaced with a rf-SQUID coupler.

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  • IEEE TRANSACTIONS ON MICROWAVE THEORY AND

    2016-8-2 · for Circuit Model Extraction of Coupled-Resonator Diplexers ... Abstract—In this paper, a novel rational function approxi-mation method, namely, model-based vector fitting (MVF), is proposed for accurate extraction of the characteristic functions of a coupled-resonator diplexer with a resonant type of junction ... coupling matrix ...

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  • Phys. Rev. A 91, 043846 (2015) - Microwave-induced ...

    2015-4-30 · In the circuit quantum electrodynamics architecture, both the resonance frequency and the coupling of superconducting qubits to microwave field modes can be controlled via external electric and magnetic fields to explore qubit-photon dynamics in a wide parameter range. Here, we experimentally demonstrate and analyze a scheme for tuning the coupling between a transmon …

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  • DESIGN OF BROADBAND COUPLING CIRCUITS FOR POWER-

    2004-7-14 · Figure-1. A broadband coupling circuit. Figure-2.Transfer function of the coupling circuit of Fig. 1. Fig.2 presents the transfer function of this coupling circuit. The coupling circuit should not influence the actual scattering parameters of the PLC channel during measurements. The effect of coupling circuit needs to be compensated in the ...

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  • NUMERICAL COUPLING OF ELECTRIC CIRCUIT EQUATIONS

    2007-3-7 · Moreover, the coupling of both models is explained. Section 3 is devoted to the numerical discretization of the circuit and semiconductor equations. In section 4 two circuits containing one-dimensional semiconductor devices are simulated, namely a pn-junction diode with time-depending applied voltage and a rectifier circuit with four pndiodes.

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  • Power line communication AC coupling circuit

    2017-6-23 · The frequency response of the coupling circuit is wide enough to fit any narrow-band PLC signal under normal test conditions. However, it can be easily adjusted by changing only the tuning series inductor L1. The STEVAL-XPLM01CPL is suitable for lab measurements using equipment like an isolated or to inject a signal from an arbitrary function

    Get Price
  • Energy Efficient Neural Stimulation: Coupling Circuit ...

    2012-12-13 · The delivery of therapeutic levels of electrical current to neural tissue is a well-established treatment for numerous indications such as Parkinson’s disease and chronic pain. While the neuromodulation medical device industry has experienced steady clinical growth over the last two decades, much of the core technology underlying implanted pulse generators remain …

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  • Wireless Power Transfer Using Resonant Inductive Coupling ...

    2016-6-16 · A. Equivalent Circuit Fig. 2 shows the concept of an inductive power link and its equivalent circuit. The RF input signal with a power amplifier in the transmitter is modeled as a voltage source in the primary resonator. The receiver is modeled as a resister RL in the secondary resonator. k is the transformer coupling coefficient,

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  • AC Coupling Instrumentation and Difference Amplifiers

    2011-8-6 · overall unity-gain transfer function. Since the precise resis-tor matching of the INA106 is disturbed by the R 5, R 6 network this circuit requires trims for both CMR and Gain. AC COUPLING INSTRUMENTATION AND DIFFERENCE AMPLIFIERS FEATURING CIRCUITS FOR: INA105 AND INA106 G = 1, 10 DIFFERENCE AMPLIFIERSÊÊ•ÊÊINA101, INA102, INA103, INA110 ...

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  • Accurate Coupling Matrix Synthesis for Microwave Filters ...

    2018-1-13 · polynomial response. In [6,7], the cost function was constructed from the related eigenvalues of matrix with initial coupling matrix by solving the Jacobi inverse eigenvalue problem. Zeros and poles were used to construct the cost function in [8–10], requiring less iterations along with better chances of convergence compared to other techniques.

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  • AC & DC Coupling Oscilloscopes | Simply Smarter Circuitry

    2013-10-17 · Since the trace on the screen shows precisely what the circuit is doing — rather than how the designer intended the circuit to function — an oscilloscope will allow you to analyze what is happening in a circuit at a given moment. The signal on the input of the digital oscilloscope is applied to the screen with an AC or DC coupling switch ...

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  • Extraction of coupling matrix of Generalized Chebyshev ...

    Coupling matrix K and J converter can convert a bandpass filter network with both series and parallel resonance circuit to a bandpass filter network with series or parallel resonant circuit. Fig. 1 is a bandpass filter network with J converter. And it has cross coupling. Using Kirchhoff 's law, the circuit equation of the

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  • DESIGN OF BROADBAND COUPLING CIRCUITS FOR POWER-

    2004-7-14 · Figure-1. A broadband coupling circuit. Figure-2.Transfer function of the coupling circuit of Fig. 1. Fig.2 presents the transfer function of this coupling circuit. The coupling circuit should not influence the actual scattering parameters of the PLC channel during measurements. The effect of coupling circuit needs to be compensated in the ...

    Get Price
  • NUMERICAL COUPLING OF ELECTRIC CIRCUIT EQUATIONS

    2007-3-7 · Moreover, the coupling of both models is explained. Section 3 is devoted to the numerical discretization of the circuit and semiconductor equations. In section 4 two circuits containing one-dimensional semiconductor devices are simulated, namely a pn-junction diode with time-depending applied voltage and a rectifier circuit with four pndiodes.

    Get Price
  • Energy Efficient Neural Stimulation: Coupling Circuit ...

    2012-12-13 · The delivery of therapeutic levels of electrical current to neural tissue is a well-established treatment for numerous indications such as Parkinson’s disease and chronic pain. While the neuromodulation medical device industry has experienced steady clinical growth over the last two decades, much of the core technology underlying implanted pulse generators remain …

    Get Price
  • Circuit-Host Coupling Induces Multifaceted Behavioral ...

    2018-2-1 · Circuit-host coupling can dramatically alter the behaviors of the switch at the single-cell level as shown above. As cells proliferate over time and their corresponding rates are subject to the specific states of the circuit, we speculated that circuit-host coupling can also modulate the population-level characteristics of the switch.

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  • A Low-Cost,Single Coupling Capacitor Config. for Stereo ...

    2011-8-6 · function for the circuit. VO VI 1 2 s R C where s j As shown in the plot of the transfer function in Figure 5, there will be less crosstalk at higher frequencies. This is because the single capacitor acts as an ac ground and naturally performs this function better at higher frequencies. –40 –60 –80 – Headphones – dB –20 f ...

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  • High Frequency and Broadband Coupling Characteristics of ...

    2011-1-1 · Coupling filter circuit is the key link of power line communication. In this paper, a 1MHz-30 MHz high frequency and broadband coupling circuit which consists of filter, coupling capacitor, isolation transformer was designed. This circuit can be used to test the input impedance, noise characteristics, and attenuation characteristics of channel.

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  • Extraction of coupling matrix of Generalized Chebyshev ...

    Coupling matrix K and J converter can convert a bandpass filter network with both series and parallel resonance circuit to a bandpass filter network with series or parallel resonant circuit. Fig. 1 is a bandpass filter network with J converter. And it has cross coupling. Using Kirchhoff 's law, the circuit equation of the

    Get Price
  • Calculation of mutual inductance based on field-circuit ...

    2013-12-13 · This function can be directly used to calculate the operation parameters and optimize the system efficiency in the power transmission system with electromagnetic coupling or resonant coupling. The method has made a breakthrough and provided a powerful tool for the design and optimization of electromagnetic coupling power transmission system.

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  • Using the Inductor Coupling Symbols | PSpice

    2021-7-21 · In Figure 1, the bottom-left circuit is a Center-tapped Full Wave Rectifier. It is an example of various multi-winding transformers with desired coupling. Figure 5 shows the input and output voltage waveform of the Center-tapped Full Wave Rectifier circuit generated using a PSpice simulation. Figure 5: Center-tapped Full-Wave Rectifier Transformer

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  • IEEE TRANSACTIONS ON MICROWAVE THEORY AND

    2013-11-23 · Advanced Coupling Matrix and Admittance Function Synthesis Techniques for Dissipative Microwave Filters Vahid Miraftab, Member, IEEE, and Ming Yu, Fellow, IEEE Abstract—In this paper, novel approaches to synthesize ad-mittance function polynomials and canonical coupling matrices for narrowband lossy filters are presented. The methods

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