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Introduction to SPICE Circuit Simulation | Thevenin's Analysis Lab

Learn about SPICE circuit simulation for digital electronics with a focus on Thevenin's analysis in this informative lab conducted by Engr. Mian Shahzad Iqbal, a lecturer in the Department of Telecommunication Engineering. Explore the basic elements of electronic circuits, representation dimensions, and perform transfer function analysis. Gain insights into node voltages, voltage sources, currents, power dissipation, and small-signal characteristics. Understand input and output resistances in the schematic circuit output. Enhance your understanding of circuit analysis and simulation using SPICE.

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Introduction to SPICE Circuit Simulation | Thevenin's Analysis Lab

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  1. Introduction to PSpice Digital Electronics LAB No.3 Engr. Mian Shahzad Iqbal Lecturer Department of Telecommunication Engineering

  2. SPICE • SPICE is a general-purpose circuit simulator capable of performing the following types of analysis

  3. Representation

  4. Dimension • Each element has a unit (dimension) which are as follows

  5. SPICE BASIC ELEMENTS • The basic elements of electronic circuits can be represented by the first letter

  6. Thevenin's Analysis • LAB N0.3 Thevenin's Analysis • VIN 1 0 DC 10V ; Voltage source of 10 V DC • IS 4 3 DC 2A ; Current source of 2 A DC • VX 4 5 DC 0V ; Measures the current through R5 • R1 1 2 5 • R2 2 3 10 • R3 2 0 20 • R4 3 4 40 • R5 5 0 10 • .TF V(2,4) VIN ; Transfer function analysis • .END ; End of circuit file

  7. Output • NODE VOLTAGE NODE VOLTAGE NODE VOLTAGE NODE VOLTAGE • ( 1) 10.0000 ( 2) 12.5000 ( 3) 23.7500 ( 4) -11.2500 • ( 5) -11.2500 • VOLTAGE SOURCE CURRENTS • NAME CURRENT • VIN 5.000E-01 • VX -1.125E+00 • TOTAL POWER DISSIPATION -5.00E+00 WATTS • **** SMALL-SIGNAL CHARACTERISTICS • V(2,4)/VIN = 6.250E-01 • INPUT RESISTANCE AT VIN = 2.000E+01 • OUTPUT RESISTANCE AT V(2,4) = 1.094E+01

  8. Schematic Circuit

  9. Output

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