Chapter 6
AC Circuit Analysis
正弦源
Direct current refers to unidirectional current, whereas alternating current refers to current that reverses its direction periodically.
Alternating ...
正弦曲线的图形和解析表示
Analyzing two sinusoidal voltages on an oscilloscope with equal amplitude and period but different phases involves three steps.
First, the peak-to-peak ...
相量
Phasors are complex representations of the sinusoids where the magnitude of the phasor equals the amplitude, and the angle equals the phase measured from ...
相量算术
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 ...
电路元件的相量关系
The voltage-current relationship for the resistors, inductors, and capacitors can be transformed from the time domain to the phasor or frequency domain ...
使用相量的基尔霍夫定律
Consider a household circuit where an AC power supply from the distribution panel is wired to appliances in parallel.
Analyzing an AC circuit involves ...
阻抗和导纳
In AC circuits, the passive elements - the resistor, the inductor, and the capacitor - are characterized by the phasor voltage and current.
Impedance is ...
阻抗组合
Consider a string of christmas lights, where each bulb represents an impedance. This series arrangement of impedances ensures a uniform current across ...
交流电路的节点分析
In the rotablator angioplasty system, the turbine causes the rotation of the catheter burr, which aids in removing plaque deposits from coronary
...
交流电路的网格分析
In radio communication, an impedance-matching circuit aligns the radio transmitter and receiver impedance.
Consider a basic impedance-matching circuit ...
交流电路的源转换
Consider a circuit composed of a current source and a combination of resistors, capacitors, and inductors with known impedance values.
The aim is to ...
Thévenin 等效电路
The household power distribution system which includes distribution lines and transformers, can be considered the source network.
Inside the house, ...
Norton 等效电路
Norton's theorem states that any two-terminal linear network can be replaced by an equivalent circuit consisting of a constant current source in ...
交流电路的叠加定理
The superposition principle finds application in the analysis of AC linear circuits with multiple independent sources.
Consider a circuit consisting of ...
运算放大器交流电路
In an audio system, the filter circuit processes the amplified audio signal from an amplifier, strongly attenuating the signal components with low ...
设计示例:电容倍增器电路
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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