electronics devices and circuit theory pdf free download

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Ngày tải lên: 14/05/2014, 21:29

... command 1; MATLAB command 2; MATLAB command 3; The name of the m-file for this function is functionname.m and it is called from the MATLAB command line or from another m-file by the following command >> ... Specify orientation of a figure 8 Signals and Systems Commands The following commands are organized by topics in signals and systems. Each of these commands has a number of options that extend ... commands 11 7.2 Customization of plots . 11 8 Signals and Systems Commands 11 8.1 Polynomials . . . 11 8.2 Laplace and Z Transforms 12 8.3Frequency responses . . 13 8.4 Fourier transforms and...

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Ngày tải lên: 08/08/2014, 12:22

... The midband gain, A m , is obtained from the midband equivalent circuit of the common-source amplifier. This is shown in Figure 12.24. The equivalent circuit is obtained by short-circuiting ... The midband gain is obtained by short circuiting all the external capacitors and open circuiting the internal capacitors. Figure 12.14 shows the equivalent for calculating the midband gain. ... electronic circuits are not suitable for integrated circuits (IC) because of the large number of resistors and the large coupling and bypass capacitor required for biasing discrete electronic circuits....

Ngày tải lên: 13/12/2013, 01:15

... Network I 1 and V 1 are input current and voltage, respectively. Also, I 2 and V 2 are output current and voltage, respectively. It is assumed that the linear two-port circuit contains ... energy and that the circuit is initially at rest ( no stored energy). Furthermore, any controlled sources within the lin- ear two-port circuit cannot depend on variables that are outside the circuit. ... y-parameters are also called short -circuit admittance parameters. They are obtained as a ratio of current and voltage and the parameters are found by short-circuiting port 2 ( V 2 = 0) or port...

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Ngày tải lên: 25/01/2014, 12:20

... improve the maturity matching of domestic investment demand and foreign capital supply, enhance intra -circuit and inter -circuit stability, and induce sustainable investment as risk assessment on ... day-to-day business and liquidity, and of short-term developments of demand and supply in the specific sectors and markets where enterprises operate. Investment financial institutions, on the other hand, develop ... outputs c and I, respectively (eqs. 9 and 11), Consumption good output matches actual demand (eq. 10), while capital good production equal expected demand (eq. 12). According to eq. (13), the demand...

Ngày tải lên: 24/10/2012, 09:33

... obtain the dot product and the vector product of two vectors a and b. Use the function to evaluate the dot and vector products of vectors x and y, where x = (1 5 6) and y = (2 3 8). 1.4 ... sign and the function name. The â 1999 CRC Press LLC â 1999 CRC Press LLC 1.6 M-FILES Normally, when single line commands are entered, MATLAB processes the commands immediately and ... sensitive in naming variables, commands and functions. Thus b and B are not the same variable. If you do not want MATLAB to be case sensitive, you can use the command casesen off To obtain...

Ngày tải lên: 23/10/2013, 16:15

... of electrical and electronic circuits and systems. Organization The book is divided into three parts: Introduction to MATLAB, Circuit analysis applications using MATLAB, and electronics ... have briefly covered the underlying theory and concepts, not with the aim of writing a textbook on circuit analysis and electronics. Selected problems in circuit analysis have been solved using ... electrical and electrical engineering technology students and professionals who want to use MATLAB to explore the characteristics of semiconductor devices and the application of MATLAB for analysis and...

Ngày tải lên: 27/10/2013, 23:15

... = 3.4 INPUT/OUTPUT COMMANDS MATLAB has commands for inputting information in the command window and outputting data. Examples of input/output commands are echo, input, pause, keyboard, ... 86, 77, 45, 67, 88, 64, 79, 75, 92, and 69 (a) Determine the number of students who attained the grade of A and F. (b) What are the mean grade and the standard deviation? 3.5 Write a ... identity matrix and disp(eye(3,3)) will result in 1 0 0 0 1 0 0 0 1 Echo The echo command can be used for debugging purposes. The echo command allows commands to be viewed...

Ngày tải lên: 27/10/2013, 23:15

... erased. The hold command holds the current plot on the screen, and inhibits erasure and rescaling. Subsequent plot commands will overplot on the original curves. The hold command remains in effect ... effect until the command is issued again. When a graph is drawn, one can add a grid, a title, a label and x- and y-axes to the graph. The commands for grid, title, x-axis label, and y-axis label ... 2.3 LOGARITHMIC AND POLAR PLOTS Logarithmic and semi-logarithmic plots can be generated using the commands loglog, semilogx, and semilogy. The use of the above plot commands is similar...

Ngày tải lên: 27/10/2013, 23:15

... power. Three-phase circuits are analyzed by converting the circuits into the frequency domain and by using the Kirchoff voltage and current laws. The un- known voltages and currents are solved ... determination of the rms value and the average power. MATLAB has two functions, quad and quad8, for performing numerical function integration. 6.1.1 MATLAB Functions quad and quad8 The quad ... (6.65) The following example shows how to obtain and plot the frequency response of an RLC circuit. Example 6.7 For the RLC circuit shown in Figure 6.13, (a) show that the transfer...

Ngày tải lên: 06/11/2013, 09:15

... the current response of a source -free RL circuit with initial current I m , and it represents the natural response of an RL circuit. Figure 5.6 is an RL circuit with source voltage vt V S () = . ... step function and RRR K 123 10 === , CC F 12 5 == à , and L = 10 H, find and plot the voltage vt 0 () within the intervals of 0 to 5 s. Solution Using the element values and Equations ... obtain voltages and currents in an RLC circuit is to use Laplace transform. Table 5.1 shows Laplace transform pairs that are useful for solving RLC circuit problems. From the RLC circuit, we...

Ngày tải lên: 06/11/2013, 09:15

... electrical circuits. Example 4.1 For the circuit shown below, find the nodal voltages VV 12 , and V 3 . 5 A 2 A50 Ohms 40 Ohms10 Ohms 20 Ohms V VV 1 2 3 Figure 4.1 Circuit with ... Analysis of Circuits Using MATLAB, Prentice Hall, 1995. 4. Johnson, D.E., Johnson, J.R. and Hilburn, J.L., Electric Circuit Analysis, 3 rd Edition, Prentice Hall, 1997. 5. Dorf, R.C. and Svoboda, ... â 1999 CRC Press LLC â 1999 CRC Press LLC Attia, John Okyere. “DC Analysis.” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ...

Ngày tải lên: 06/11/2013, 09:15