PSPICE+Handout

PSPICE+Handout - EECS 70A Summer Winter 2007 2005 Brief...

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E E C S 70A Winter 200 5 Brief Introductory PSPICE Tutorial Note: This tutorial was written for a user running OrCAD 10.0 Demo on a standalone computer. There is also a thorough DC PSPICE tutorial in your textbook starting on page 133. I. Installation Download and install OrCAD 10.0 Demo version. The demo version has all the functionalities and capabilities of the full version and does not expire after a certain time. The only difference is that the size of the circuit is limited. You can download the software at http://www.orcad.com or at the following link: http://webfiles.uci.edu/falhasse/ECE70A/OrCAD_Demo_121903.zip II. Creating a PSPICE project 1. Click on the Start button, move your mouse cursor to either All Programs or Programs depending upon your Start menu configuration, then go to OrCAD 10.0 Demo , and then click on Capture CIS Demo as shown in the screenshot below.
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2. In File menu select New and then Project , assign a name and path for the project to be stored. If you are using a lab computer, you have to choose a folder where you are allowed to store data. Select Analog or Mixed A/D and then press OK . 3. In the next dialogue box select Create a blank project and click on OK . A window opens in which you can draw your circuit.
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III. Building a circuit 1. To place parts (sources, resistors, capacitors, etc.) click on Place , then select Part… ( 1 ). Or click on the second button from top on the vertical toolbar on your right ( 2 ). This should load the Place Part dialog box shown below.
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2. If this is the first time you run the program you need to add libraries. If you have already added libraries before, you can skip to step 6 . The libraries you need most are SOURCE and ANALOG . You can find these libraries in PSPICE directory. Click on Add library… in the Place Part dialogue box ( 1 ). 3. A Browse File dialog box should pop up. You should see the files as shown below
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If you do not see the files listed above, you need to make sure you are looking in the right directory. For a default OrCAD installation on the C:\ drive, you should see be looking the following folder 4. Once you have properly located the files, click on analog.olb and the press Open . 5. Repeat steps 2-4 , but in step 4 , open source.olb instead of analog.olb . 6. To place a DC voltage source, click on SOURCE ( 1) and then scroll down the Part List until you see VDC ( 2) . Click on VDC , then click on OK .
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7. To place a resistor, click on ANALOG and then scroll down the Part List until you see R . Click on R , then click on OK . You can also place capacitors ( C ) and inductors ( R ) following this procedure. 8. Select the part and place it on the schematics. Ctrl + r rotates the part counterclockwise . You can place multiple copies of the part once you selected the part. To return the cursor
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PSPICE+Handout - EECS 70A Summer Winter 2007 2005 Brief...

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