BASIC CIRCUIT THEORY CHARLES DESOER PDF
Basic circuit theory. Front Cover. Charles A. Desoer, Ernest S. Kuh. McGraw-Hill, – Technology & Engineering – pages. Basic Circuit Theory. • I • I. Charles A. Desoer • and. Ernest S. Kuh. Department of Electrical Engineering and Computer Sciences University of California. Basic Circuit Theory by Ernest S. Kuh, Charles A. Desoer from Only Genuine Products. 30 Day Replacement Guarantee. Free Shipping. Cash On.
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Basic Circuit Theory, Charles A. Desoer, Ernest S. Kuh 1969.pdf
Voltage gain property 8. First let us introduce the following definition: First, we circuuit calculate directly the energy stored in the electrostatic field E using Chap. In Chapters 3 to 6, we use simple circuits to illustrate many of the principal facts and techniques of linear system theory and some properties of nonlinear circuits.
In some cases we find it more convenient to use voltage sources than current sources.
The branch voltage due to the sinusoidal current described by 1. We also noted that the factor H s in Eq.
Basic Circuit Theory
Suppose we wished to minimize cp e. Let us now have an open circuit at port 1; then 5. Given any lumped electric circuit and provided its elements have reasonably well-behaved characteristics, the equations of the circuit can be written as follows: Since the inductor is time-invariant, the characteristic is a fixed curve; consequently,!
This equivalence, which was also discussed in Chap.
Basic Circuit Theory : Charles Desoer :
Second, a nonlinear resistor can often be modeled approximately by using a linear resistor if the range of operation is sufficiently small. The equivalent circuit based on the short-circuit two-port parameters is shown in Fig.
Suppose it is in the sinusoidal steady state. Propose a resistor characteristic such that the circuit shown in Fig. It is obvious that they are more general than the mesh analysis and node analysis.
Exercise 3 Which of the two-ports in Figs. We wish now to take advantage of the fact that each element is, in addition, linear and time-invariant. As mentioned previously, the complete description of a voltage source Us or a current source is requires the specification of the complete time function, that is, us t for all t or is t for all t.
These nonlinear devices have a unique property in that the slope of the characteristic is negative in some range of voltage or current; they are often called negative-resistance devices and are of importance in electronic circuits.
Calle the unique solution of 2. This fact is symbolically represented by the notation 2. Previous dfsoer to some circuit theory and to electronic circuits is helpful, but not necessary.
For example, if a nonlinear germanium diode is submerged in an oil bath whose temperature varies according to a certain schedule, the germanium diode has the characteristic of a nonlinear time-varying resistor. It is easy to see that a germanium diode, a tunnel diode,t an open circuit, a short circuit, and a linear time-invariant resistor with R 2 0 are passive resistors.
Using the cifcuit that for the case of Fig.
Example Let us assume that a nonlinear inductor has an idealized hysteresis characteristic such as is shown in Fig. We are now ready to state the formal definition of a function. If the prescribed voltage Us is constant that is, if it does not depend on time thoery, the voltage source is called a constant voltage sourcet and is represented as shown in Fig.
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We first encountered it in Chap. When a set of several ordinary nonlinear, differential equations can be solved on a computer in a few seconds, the absence of closed-form solutions to nonlinear circuit problems is no longer an obstacle.
We shall encounter this important fact throughout circujt study of circuit theory. Under the above situation, what can you say about the voltages v1 and v2? Exercise The series connection of a constant voltage source, a linear resistor, and an ideal diode is shown in Bazic. Call 11 r, 12 1 the solution of 2.