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(elec101)[2011](s)lab2~sfling^_42713.pdf
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The Hong Kong University of Science and Technology
Department of Electronic and Computer Engineering

ELEC101 BASIC ELECTRONICS SPRING 2011

LAB 2 C PSpice Circuit Simulation
1. Objective
To study PSpice simulation of circuits and verify the network theorems.
2. Component and Instrumentation
a. PSpice Schematics Version 9.1 software
3. Background Information
PSpice is a very important and powerful circuit-simulation program used by many electrical engineers involved in circuit analysis and design. It can simulate electrical circuit behavior and calculate node voltages, branch currents, power, and other parameters of a circuit. An engineer can study the behavior of circuits without having to actually build the circuits. The circuit can consist of resistors, capacitors, inductors, operational amplifiers, diodes, transistors, semiconductor devices, and other components.
3.1 How to start the PSpice simulator?
By Start >> All Programs >> PSpice Student >>Schematics, you can directly invoke the
schematics window.


3.2 How to draw the schematics?
3.2.1) How to create or edit a schematic for simulation? Select File >> New, or select File >> Open and select the schematics. Please save your schematics before you do the simulation by File >> Save shown below.

3.2.2) How to place the elements in your schematics? When you draw the schematics, the elements can be found by selecting Draw >> Get New Part, and a new window called Part Browser Advanced will be invoked. Then you could type the element names in Part Name: and Place them in your

3.2.3) How to place a source? Select Draw >> Get New Part. Type VSRC in the Part name field, click Place&Close and place the voltage source symbol in the Schematics. Click left key of mouse to place, repeat if necessary. To cancel the symbol, click right key and select End Mode (or press Esc). The source is now shown in red colour (edit mode). Double click the symbol to define the source in the Property Editor window After defining the source, close the Property Editor window. (Note that no unit is needed in the Property Editor window). The similar procedure is applied to a.c. voltage source, VSIN; current source ISRC; current-controlled voltage source H; voltage-controlled current source G.

3.2.4) How to place a resistor, capacitor or inductor? Select Draw >> Get New Part. Type R in the Part name. After you place the element in your schematics, you can change the attributes by double clicking the elements. The resistance value is defined in the Value field in the Property Editor window. For capacitor, Part name is C and the capacitance is defined in the Value field also. For inductor, Part name is L and the inductance is defined in the Value field also.

3.2.5) How to place a switch? Select Draw >> Get New Part. The Part name is Sw_tClose or Sw_tOpen. Double click the symbol and Set the resistance of switch Ropen when it is open to 1000 meg

3.2.6) How to pl