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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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.
On the other hand, Eq. A set of sufficient conditions may be described as follows. In our study oflumped circuits we have thus far concentrated our attention on two-terminal elements.
Basic Circuit Theory – Charles A. Desoer – Google Books
The mechanical work done by the force applied to the moving plate against the electrostatic attractive forces is 1. Most practical sources are like the automobile battery illustrated in the previous example; i. Reciprocity theorem, generalizations, and passivity, proof, in terms of network functions, Reference direction, 4, 5 associated, 5 Residue, Resistance, 15 Resistor, 14 active, 55 bilateral, 21 characteristic of, 14 current-controlled, 20 linear, 14 linear time-invariant, 15, 16 linear time-varying,locally passive, Index Resistor: From the figure we conclude that 1 the closer the pole is to the jw axis the narrower the 3-db bandwidth, and 2 the closer the pole is to the jw axis, the longer it takes the impulse response to decay to zero.
There are three basic reasons for writing the equations in this form: Consider the circuit shown in Fig. Of course, it is understood that for negative t, the time function may be arbitrary since the defining integral is for the interval [0, oo.
Suppose we were considering only currents of at most 10 rnA milliamperes. We would like to consider now more carefully the problem of solving nonlinear resistive networks.
What would be the maximum percentage error in v if we were to calculate v by approximating the nonlinear resistor by a ohm linear resistor? The problem is to determine the characteristic of the equivalent resistor. The matrix T is called the transmission matrix.
Charles a. Desoer, Ernest S. Kuh-Basic Circuit Theory(1969)
Give your reasons for rejecting any. The state moves along this trajectory in the clockwise direction. Write all the fundamental loop and cut-set equations.
We shall see in Chap. For the pnjunction diode shown in Fig. A two-terminal element theort be called linear if its characteristic is at all times a straight line through the origin; equivalently, the instantaneous value of one of the variables is a linear function of the instantaneous value of the other. For a bilateral element it is not important to keep track of the two terminals of the element; the element can be connected to the remainder of the circuit in either way.
Which ones do you accept as correct? The parallel-plate capacitor has a fixed plate and desodr movt Some electric motors have beeen chrles on this principle. The equation relating the terminal voltage and current is easily obtained from 4. In fact, for the time-varying case there are definite advantages in doing so.
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When we think in terms of one-ports, we do not concern ourselves with what is inside the one-port, provided the elements are lumped. Another frequently useful property is the sifting property of the unit impulse.
This kind of idealization and calculation is in common use in the analysis of magnetic amplifiers and some computer circuiit. Network Functions Chapter Throughout this chapter, we shall implicitly assume that all the functions we consider are Thfory transformable.
Third, the calculations clearly indicate that neither the property of homogeneity nor the property of additivity is satisfied. A two-terminal nonlinear resistor is called an ideal diode if its t See Sec.
This is so because the characteristic of a linear resistor is a straight line passing through the origin, and the slope is equal to the resistance R; thus, if R 0, the characteristic lies in the second and fourth quadrant. Thus, we may write S. For example, on [O,oo the functions c t and sin wt are bounded, but Et is not.
Basic Circuit Theory, Charles A. Desoer, Ernest S. Kuh 1969.pdf
In the physical world there is no such thing as an independent voltage source. Repeat the cahrles with all nonlinear resistors. We say that a network is passive if all the elements of the network are passive. We choose to plot the state trajectory on the qcp plane with scales so chosen that the trajectory is circular see Fig.
We can thus state an important property of the linear time-invariant capacitor: Have doubts regarding this product? For example, the circuit we start with may be a loudspeaker that we connect to the two terminals of the cable coming from the power amplifier; the power amplifier is then considered to be a generator. The symbols of the ideal diode and its characteristic are shown in Fig.
Both are defined under zero-input conditions. Give a new example of a passive one-port which is not a passive network.
The capacitance is 1. It means that if a given function of the complex frequency s, say, F sis known to be the Laplace transform of a time function, say f tand if some other time function g t also has F desooer as a Laplace transform, then the function g t differs from j t trivially.