The course was developed to introduce PSPICE to first time users. Content includes detailed step by step instructions on how to use PSPICE software.

1. VLSI Design Lab
A Short Course on PSPICE
Dates: August 25, 2008 (1.30 – 4.30 PM) and August
26, 2008 (9 AM – Noon)
Room: EE125 VLSI Design Laboratory
By
Siva Yellampalli, Ph.D.
Fall
F ll 2008

2. VLSI Design Lab
Course C
C Coordinators
di t
Prof.
Prof Jorge Aravena Interim Chairman
Aravena,
Prof. Ashok Srivastava
Prof. Pratul K. Ajmera (Electronics Area Coordinator)

3. VLSI Design Lab
Acknowledgments
g
The VLSI Design Laboratory has been upgraded with supports from
Louisiana Board of Regents (LaBoR) , College of Engineering and
the Department of Electrical & Computer Engineering (Principal
Investigator: Prof. Ashok Srivastava and co-Principal Investigator:
Prof. Clive Woods).
Technical Assistance
Richard Capone Computer Manager
Capone,
Saied Andalib, Computer Analyst
James Breedlove, Shop Manager

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Introduction
SPICE can do several types of circuit analyses Here are the most
analyses.
important ones:
• Non-linear DC analysis: calculates the DC transfer curve.
• Non-linear transient analysis: calculates the voltage and current as a
function of time when a large signal is applied.
• Linear AC Analysis: calculates the output as a function of frequency.
A bode plot is generated.
• Noise analysis
• Sensitivity analysis
• Distortion analysis
• Fourier analysis: calculates and plots the frequency spectrum.
• Monte Carlo Analysis

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Introduction
• SPICE- Simulation
SPICE Sim lation Program for Integrated Circ its Emphasis
Circuits
SPICE
Text PSPICE
Capture CIS
(Schematic)

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CAPTURE CIS

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IDC
C
VDC

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Text File

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•.tran Start_value Stop_value

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•.DC Sweep_Variable Starting_Value Stopping_Value Increment

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Diode
1 1
2
VSIN
0

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Transient Operation

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Transient Analysis

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Output Waveform

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DC Analysis

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DC Sweep

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Output Waveform

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Changing Device Properties

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Properties to Change
• IS= 100E-15
IS 100E 15
• RS= 16
• BV= 100
• IBV=100E-15

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Output Waveform

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Text File

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Simulation

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DC Analysis

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Transient Analysis

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BJT Circuit
4
7
5
3
2
1
6
0

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Transient Analysis

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Transient Analysis

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AC Analysis

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Text File

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Transient Analysis
T i tA l i

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AC Analysis

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Inverter
1
2
3
0

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Transient Analysis

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Output Waveform

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DC Sweep

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Output Waveform

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Text File

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Transient Analysis

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DC Analysis

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Circuit HW