Chapter 6
AC Circuit Analysis
Sources sinusoïdales
Direct current refers to unidirectional current, whereas alternating current refers to current that reverses its direction periodically.
Alternating ...
Représentation graphique et analytique des sinusoïdes
Analyzing two sinusoidal voltages on an oscilloscope with equal amplitude and period but different phases involves three steps.
First, the peak-to-peak ...
Phaseurs
Phasors are complex representations of the sinusoids where the magnitude of the phasor equals the amplitude, and the angle equals the phase measured from ...
Arithmétique du phaseur
Consider a sinusoid and its corresponding phasor.
The derivative of the sinusoid in the time domain equals its phasor multiplied by j-omega in the phasor ...
Relations de phaseur pour les éléments de circuit
The voltage-current relationship for the resistors, inductors, and capacitors can be transformed from the time domain to the phasor or frequency domain ...
Lois de Kirchoff à l’aide de phaseurs
Consider a household circuit where an AC power supply from the distribution panel is wired to appliances in parallel.
Analyzing an AC circuit involves ...
Impédances et admission
In AC circuits, the passive elements - the resistor, the inductor, and the capacitor - are characterized by the phasor voltage and current.
Impedance is ...
Combinaison d’impédance
Consider a string of christmas lights, where each bulb represents an impedance. This series arrangement of impedances ensures a uniform current across ...
Analyse de nœuds pour les circuits AC
In the rotablator angioplasty system, the turbine causes the rotation of the catheter burr, which aids in removing plaque deposits from coronary
...
Analyse de maillage pour les circuits AC
In radio communication, an impedance-matching circuit aligns the radio transmitter and receiver impedance.
Consider a basic impedance-matching circuit ...
Transformation de source pour les circuits AC
Consider a circuit composed of a current source and a combination of resistors, capacitors, and inductors with known impedance values.
The aim is to ...
Circuits Thévenin équivalents
The household power distribution system which includes distribution lines and transformers, can be considered the source network.
Inside the house, ...
Circuits équivalents Norton
Norton's theorem states that any two-terminal linear network can be replaced by an equivalent circuit consisting of a constant current source in ...
Théorème de superposition pour les circuits AC
The superposition principle finds application in the analysis of AC linear circuits with multiple independent sources.
Consider a circuit consisting of ...
Circuits AC d’amplis opérationnels
In an audio system, the filter circuit processes the amplified audio signal from an amplifier, strongly attenuating the signal components with low ...
Exemple de conception : Circuit multiplicateur de capacité
Capacitance multiplier circuits are used in integrated circuits to produce a multiple of a small physical capacitance when a high-value capacitance is ...
À PROPOS DE JoVE
Copyright © 2025 MyJoVE Corporation. Tous droits réservés.