Abstract
Circuits are designed and used to establish specified relations among certain currents and voltages, where some currents and voltages are identified as inputs (causes) and others as outputs (effects). Inputs also are called excitations, and outputs also are called responses.
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Notes
- 1.
Operational amplifiers are treated in Chapter 7.
- 2.
Capacitors and inductors are treated in subsequent chapters.
- 3.
In general, the source current or voltage can be a linear or nonlinear function of one or more other currents and voltages. More generally, the input or output can be a function of a non-electrical quantity, such as temperature, pressure, or torque. For example, an electric motor can be regarded as a controlled source whose input is current and whose output is torque.
- 4.
These names are contractions of transfer resistance and transfer conductance, respectively.
- 5.
Remember that Fig. 6.20 is the structure of a two-port model, not of the associated physical circuit.
- 6.
Two-port models can be extended to cases where a circuit in question contains independent sources, but we have no need of that generalization in this book.
- 7.
That is, neither is necessarily associated with any particular physical resistor.
- 8.
These elements are treated in subsequent chapters.
- 9.
Peak amplitudes can be (and often are) used if the voltages or currents involved have the same waveform.
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© 2011 Springer Science+Business Media B.V.
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Glisson, T.H. (2011). Dependent Sources and Unilateral Two-Port Circuits. In: Introduction to Circuit Analysis and Design. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-9443-8_6
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DOI: https://doi.org/10.1007/978-90-481-9443-8_6
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