bistable multivibrator circuit using 555 timer

Ngày tải lên: 06/11/2013, 01:15

... hãng CMOS sản xuất .Sau ñây là bảng thông số của 555 có trên thị trường : + ðiện áp ñầu vào : 2 - 18V ( Tùy từng loại của 555 : LM555, NE555, NE 7555 ) + Dòng ñiện cung cấp : 6mA - 15mA + ðiện ... IC 555 - Timer và những ứng dụng 555 là một loại linh kiện khá là phổ biến bây giờ với việc dễ dàng tạo ñược xung ... chỉ là những thông số cơ bản của 555. Còn những thông số khác các pác tham khảo datasheet! 1 : Giới thiệu, sơ ñồ khối, sơ ñồ nguyên lý, chân của 555 IC thời gian 555 ñược du nhập vào những năm...

Ngày tải lên: 06/11/2013, 22:15

Ngày tải lên: 21/01/2014, 20:20

Ngày tải lên: 04/07/2014, 01:05

... LLC â 1999 CRC Press LLC Attia, John Okyere. “Matlab Fundamentals.” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ... vector t2. Also, for matrix t3, t3(2,3) denotes the entry in the second row and third column. Using the co- lon as one of the subscripts denotes all of the corresponding row or column. For ... COMPLEX NUMBERS MATLAB allows operations involving complex numbers. Complex numbers are entered using function i or j. For example, a number zj =+ 22 may be entered in MATLAB as z = 2+2*i...

Ngày tải lên: 23/10/2013, 16:15

... CHAPTER TWELVE TRANSISTOR CIRCUITS 12.1 BIPOLAR JUNCTION TRANSISTORS 12.2 BIASING OF BJT DISCRETE CIRCUITS 12.2.1 Self-bias circuit 12.2.2 Bias stability 12.3 INTEGRATED CIRCUIT BIASING 12.3.1 ... concepts, not with the aim of writing a textbook on circuit analysis and electronics. Selected problems in circuit analysis have been solved using MATLAB. â 1999 CRC Press LLC â 1999 ... Voltage of an RLC Circuit 6.3 AC Current and Voltage of a Circuit with Two Sources 6.4 Unbalanced Wye-wye Connection 6.5 Network Function, Poles and Zeros of a Circuit 6.6 Inverse...

Ngày tải lên: 27/10/2013, 23:15

... LLC â 1999 CRC Press LLC Attia, John Okyere. “Control Statements .” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ... that xn [] = 1 for n ≥ 0, y [] −= 22 and y [] −= 11 . 3.6 The equivalent impedance of a circuit is given as Zjw jwL jwC eq () =+ + 100 1 If L = 4 H and C = 1 àF, (a) Plot Zjw eq () versus ... Write a MATLAB program to convert analog signal x to digital signal y. Test the program by using an analog signal with the following amplitudes: -1.25, 2.57 and 6.0. Solution MATLAB...

Ngày tải lên: 27/10/2013, 23:15

... implying, plot x versus y using green color. Line and mark style may be added to color type using the command plot(x, y, ’+w’) The above statement implies plot x versus y using white + marks. ... LLC â 1999 CRC Press LLC Attia, John Okyere. “Plotting Commands.” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ... Graph of Voltage versus Time of a Response of an RLC Circuit For systems that support color, the color of the graph may be specified using the statement: plot(x, y, g) â 1999 CRC...

Ngày tải lên: 27/10/2013, 23:15

... 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 using matrix ... 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 function is Hs Vs Vs s R L ss R LLC o i () () () == ++ 2 1 ... CRC Press LLC Attia, John Okyere. “AC Analysis and Network Functions.” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ...

Ngày tải lên: 06/11/2013, 09:15

... V R (t) L R i(t) V(t) Figure 5.6 RL Circuit with a Voltage Source Using KVL, we get L di t dt Ri t V S () () += (5.8) If the initial current flowing through the series circuit is zero, the solution ... CRC Press LLC 5.2 RL NETWORK Consider the RL circuit shown in Figure 5.5. L R V o (t) i(t) Figure 5.5 Source-free RL Circuit Using the KVL, we get L di t dt Ri t () () += 0 ... 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 () = ....

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 ... VVV b =− 14 (4.31) Using Ohm’s Law I VV a = − 43 5 (4.32) Using KCL at node 1, and supernode 1-2, we get VVV V VV b 114 23 210 5 8 0 + − −+ − = (4.33) Using Equation (4.31), ... voltages for the circuit shown in Figure P4.2. Solve the equations using MATLAB. 4 Ohms 2 Ohms 5 Ohms 3 Ohms 8 Ohms 6 Ohms 3 A 4 A 6 A V 2 V 4 V 5 V 3 V 1 Figure P4.2 Circuit for Exercise...

Ngày tải lên: 06/11/2013, 09:15

... midband equivalent circuit of the common-source amplifier. This is shown in Figure 12.24. The equivalent circuit is obtained by short-circuiting all the external capacitors and open- circuiting all ... versus Temperature 12.3 INTEGRATED CIRCUIT BIASING Biasing schemes for discrete electronic circuits are not suitable for integrated circuits (IC) because of the large number of ... frequency equivalent circuit of the common-emitter amplifier is shown in Figure 12.15. R s R B r V r x C à c C r ce R c R L B B' V s g m V V o Figure 12.15 Equivalent Circuit of CE...

Ngày tải lên: 13/12/2013, 01:15

... Figure 11.11 Non-Inverting Configuration Using nodal analysis at node A V Z VV Z I aaO 12 1 0 + − += (11.22) From the concept of a virtual short circuit, VV IN a = (11.23) and ... zeros of the circuit shown in Figure P11.3. Use MATLAB to plot the magnitude response. The resistance values are in kilohms. V o 10 1 nF V in 1 nF 1 Figure P11.3 An Op Amp Circuit ... amp circuit connected in an inverted closed loop configuration is shown in Figure 11.4. I 1 I 2 Z 1 Z 2 V o V in Z in V a A Figure 11.4 Inverting Configuration of an Op Amp Using...

Ngày tải lên: 13/12/2013, 01:15

... â 1999 CRC Press LLC Attia, John Okyere. “Semiconductor Physics.” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ... < =<< 0 0 (10.62) The maximum electric field E qN W qN W AP s DN s max == εε εε 00 (10.63) Using Equation (10.47) or (10.48, Equation (10.63) becomes E qN N V V NN DAC S SAD max () () = − + 2 0 εε ... temperature is given as [1]. ET x T T g () . . =− +       − 117 4 37 10 636 4 2 (10.6) Using Equations (10.1) and (10.6), we can calculate the electron concentration at various temperatures....

Ngày tải lên: 13/12/2013, 01:15

... the characteristics of diodes are presented. Diode circuit analysis techniques will be discussed. Problems involving diode circuits are solved using MATLAB. 9.1 DIODE CHARACTERISTICS ... current. The output of the half-wave rectifier circuit of Figure 9.8 can be smoothed by connecting a capacitor across the load resistor. The smoothing circuit is shown in Figure 9.12. When the ... Solution Using Thevenin Theorem, Figure 9.21 can be simplified into the form shown in Figure 9.22. â 1999 CRC Press LLC â 1999 CRC Press LLC 9.5 ZENER DIODE VOLTAGE REGULATOR CIRCUITS...

Ngày tải lên: 13/12/2013, 01:15

... MATLAB program to obtain a n and b n for n = 0 , 1, , 10 by using Equations (8.5) and (8.6). (c) Resynthesis g(t) using 10 terms of the values a n , b n obtained from part (b). ... LLC â 1999 CRC Press LLC Attia, John Okyere. “Fourier Analysis.” Electronics and Circuit Analysis using MATLAB. Ed. John Okyere Attia Boca Raton: CRC Press LLC, 1999 ... gt ee jn jn t n n () ()( ) () exp( ) = −− + − =−∞ ∞ ∑ 1 22 22 π π (8.22) (ii) Using a MATLAB program, synthesize gt () using 20 terms, i.e., â 1999 CRC Press LLC â 1999 CRC Press LLC ...

Ngày tải lên: 13/12/2013, 01:15

... Figure P7.6 Circuit for Problem 7.6 7.7 For the op amp circuit shown in Figure P7.7, find the y-parameters. + - V 1 V 2 I 1 I 2 R 3 R 1 R 2 R 4 R 5 + - Figure P7.7 Op Amp Circuit ... two-port circuit contains no independent sources of energy and that the circuit is initially at rest ( no stored energy). Furthermore, any controlled sources within the lin- ear two-port circuit ... cascaded two-port networks is shown. Example problems in- volving both passive and active circuits will be solved using MATLAB. 7.1 TWO-PORT NETWORK REPRESENTATIONS A general two-port network...

Ngày tải lên: 13/12/2013, 01:15

Ngày tải lên: 22/12/2013, 08:16

Ngày tải lên: 22/12/2013, 19:17

Ngày tải lên: 19/01/2014, 17:20