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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Let us observe the following three facts. First assume that the dependent current source is independent, and introduce its dependence in the last step.

### Basic circuit theory – Charles A. Desoer, Ernest S. Kuh – Google Books

It turns out that the converse is true. Part I Chapters 1 to 7 treats simple circuits. Note that, irrespective of the sign of q, we must apply a force to the moving plate in the direction of increasing x. We want to give the student an ability to write the differential equations of any reasonably complicated circuit, including ones with nonlinear and time-varying elements. The state-variable method is described and then shown to be a powerful tool in formulating equations for nonlinear and time-varying networks.

Most practical sources are like the automobile battery illustrated in the previous example; i. Since in Laplace transform theory we allow s to take any value in the complex plane, we formally extend our definition as follows: In the passive case, the trajectory reaches the origin as t tends to infinity; we then called this circuit asymptotically stable. A two-terminal element will 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.

We shall call the circuit we are considering a two-terminal circuit since, from our point of view, we are only interested in the voltage and the current at the two terminals and the power transfer that occurs at these terminals. Consider the tree shown in Fig. In the physical world there is no such thing as an independent voltage source. So far, we have not discussed energy storage or energy balance of circuits with time-varying elements.

It is left as an exercise to the reader.

The definition was given in terms of the characteristic roots of a second-order linear differential equation with constant coefficients which described the second-order circuit under consideration. Resistive Networks Chapter We calculate only zero-state responses. Therefore, the interpretation of Eq. The individual characteristics are shown in Fig.

This fact is illustrated in Fig. A two-terminal element is called a capacitor if at any time tits stored charge q t and its voltage u t satisfy a relation defined by a curve in the uq plane.

Some resistors are neither current-controlled nor voltage-controlled, for example, the ideal diode. The integral in 3. The units in Eq. Using currents and voltages as state variables b.

The loop equations written for the fundamental loops have the following form: There are no independent sources in the network. Scal satisfies the initial conditions imposed on it. The equivalence of these two circuits is a special case chwrles the Thevenin and Norton equivalent circuit theorem, which we shall discuss in great detail in Chap.

Let us insist on the following exact meaning of the word bounded: From the definition of linearity and time invariance, the characteristic of a linear time-invariant capacitor can be written as 3. General network analysis, comprising charlea node, mesh, loop, and cut-set methods, is systematically presented, using graph theory as background and including the necessary formalism tor computer solution.

As far as we are concerned, Z 4 is not a positive real function because its denominator is not a polynomial in s. Example 21 Consider the equation.

It should be stressed that Eq.

These elements are resistors, independent sources, capacitors, and inductors. We propose now to explore further these ideas and tie them to basoc behavior of the impulse response.

## Basic Circuit Theory, Charles A. Desoer, Ernest S. Kuh 1969.pdf

For the purposes of this course it does not matter. The presence of the variable t as a variable in the right-hand side is caused by two possibilities: In most of our applications the Laplace transforms will turn dseoer to be rational functions. Thus, the problem of solving the equations in 2.