Chapter 6
AC Circuit Analysis
Fontes Sinusoidais
Direct current refers to unidirectional current, whereas alternating current refers to current that reverses its direction periodically.
Alternating ...
Representação Gráfica e Analítica de Sinusóides
Analyzing two sinusoidal voltages on an oscilloscope with equal amplitude and period but different phases involves three steps.
First, the peak-to-peak ...
Fasores
Phasors are complex representations of the sinusoids where the magnitude of the phasor equals the amplitude, and the angle equals the phase measured from ...
Aritmética fasorial
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 ...
Relações fasoriais para elementos de circuito
The voltage-current relationship for the resistors, inductors, and capacitors can be transformed from the time domain to the phasor or frequency domain ...
Leis de Kirchoff usando fasores
Consider a household circuit where an AC power supply from the distribution panel is wired to appliances in parallel.
Analyzing an AC circuit involves ...
Impedâncias e Admitância
In AC circuits, the passive elements - the resistor, the inductor, and the capacitor - are characterized by the phasor voltage and current.
Impedance is ...
Combinação de impedância
Consider a string of christmas lights, where each bulb represents an impedance. This series arrangement of impedances ensures a uniform current across ...
Análise de nó para circuitos CA
In the rotablator angioplasty system, the turbine causes the rotation of the catheter burr, which aids in removing plaque deposits from coronary
...
Análise de malha para circuitos CA
In radio communication, an impedance-matching circuit aligns the radio transmitter and receiver impedance.
Consider a basic impedance-matching circuit ...
Transformação de fonte para circuitos CA
Consider a circuit composed of a current source and a combination of resistors, capacitors, and inductors with known impedance values.
The aim is to ...
Circuitos equivalentes #233venin e
The household power distribution system which includes distribution lines and transformers, can be considered the source network.
Inside the house, ...
Circuitos equivalentes 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 ...
Teorema de superposição para circuitos CA
The superposition principle finds application in the analysis of AC linear circuits with multiple independent sources.
Consider a circuit consisting of ...
Circuitos CA de Amplificador Operacional
In an audio system, the filter circuit processes the amplified audio signal from an amplifier, strongly attenuating the signal components with low ...
Exemplo de projeto: Circuito multiplicador de capacitância
Capacitance multiplier circuits are used in integrated circuits to produce a multiple of a small physical capacitance when a high-value capacitance is ...
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