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Transcript
PSpice By Jirawat Kanjanapitak (Tae) Introduction Created by CadenceTM Benefits of PSpice Be able to solve difficult circuits Save time & easy to use Test schematic before construct a circuit How to Start Go to Start All Programs Orcad Family Release PSpice Student Schematics Choosing the Components Go to Draw Get New Part.. Shortcut : Ctrl G Type in the Name Ex. Type “R” Choose “Place” Or “Place & Close” How to Draw Choose and place all the components that you need. (Ground = GND_EARTH, Voltage Source = VDC) Tips: To flip – Ctrl P , to rotate – Ctrl R Connect them with a “Draw Wire” option. Shortcut : Ctrl W Specify the Values Double click on each components Ex. Change VDC to 5V, R1 to 2k ohms, and R2 to 3k ohms Simulation Click “Simulate” Click “V” and “I” Example Calculation Simplify the circuit R4||R3 = 2*4/(2+4) = 4/3 Ohms Assign I1, I2, and I3 current Set up equations: 0 = 5I1 + 2I2 – 10 ---1) 0 = 3I3 – 2I2 + (4/3)I3 + 20 ---2) I1 = I3 + I2 ---3) Solve all three Results Ans. I1 = 0.58A. I2 = 3.55A. I3 = -2.98A. Result from PSpice Questions
