Ltspice iv getting started guideltspice iv getting started. The material in this sheet is a basic start, but please feel free to. Used with orcad capture for design entry, you can think of pspice as a softwarebased breadboard of your circuit that you can use to test and refine your design before ever touching a piece of hardware. This tutorial will teach you all you need to know about pspice for ece 65. This manual has comprehensive reference material for all of the pspice circuit analysis applications, which include. Lab manual power electronics ee460 page 7 of 80 after successful simulation, pspice will automatically run probe and move to probe menu. The publication may be used only in accordance with a written agreement.
This laboratory manual for ac electrical circuit analysis. The original circuit had a sinusoidal input 9 cos 2t. Eldridge alcantara winter 2009 updated fall 2009 1 overview. Click the analysis in the menu bar and then click setup and select ac sweep and set the starting frequency to 10 hz and end frequency to 1 ghz and select radio button decade and then close the box.
Pspice ad reference guide montana state university. The current through the voltage source is negative because positive current is defined as. Spice tutorial purdue engineering purdue university. First, the generation, transmission, distribution, and consumption of electric energy occur under essentially sinusoidal steadystate conditions. This tutorial introduces the dependent source elements in pspice. What are the files must contain in the pspice professional version. Begin by using the parts browser to place a ua741 operational amplifier in your schematic. In the ac sweep you also have the option of noise enable in which pspice will simulate noise for.
Orcadpspice manual izmir university of economics 3 b schematic editor a simple voltage divider fig. Chose add from the trace menu of probe and choose the plot variable, the output current, e. In one environment, you can do all of the following using pspice schematics. Types of analysis performed by pspice pspice is a generalpurpose circuit simulator capable of performing four main types of analysis. Voltagecontrolled voltage source 4 voltagecontrolled current source 4 basic spice polynomial expressions poly 6. Simulate and study integrator using pspice windows. Circuits laboratory experiment 3 ac circuit analysis. The circuit diagram below is what you will build in pspice. Ac statement ac sweep and signal analysis 96 starhspice manual, release 1998. Analyse its behaviour with probe, which can produce a range of plots. And pspice is a product of the orcad corporation and the student version we are using is. Also pspice is a simulation program that models the behavior of a circuit. If we need a graphical output, pspice can transfer its data to the probe program for graphing purposes.
Pspice tutorial 3 using pspice for circuits with dependent sources the problems in this tutorial and the corresponding homework continue to deal with the dc analysis of circuits, or dc bias analysis in pspice. It remains the customers responsibility to verify proper and reliable operation in the actual application. Microsim pspice ad how to use this online manual welcome to microsim overview commands analog devices digital devices customizing device equations glossary. The dc sweep analysis varies a voltage source over a range of voltages in an assigned number of increments in a linear or logarithmic fashion. Unless otherwise agreed to by cadence in writing, this statement grants. It provides convenient ways to integrate the models in the form of spice netlists into psim environment. A new window pop up with the pspice project type, select create a blank project and click ok. Notes for orcad pspice university of california, san diego. Unexpected waveform when measuring power of an ac source. Circuits laboratory experiment 3 ac circuit analysis 3.
Response is in db relative to 1 volt on the source. To simulate and study the transient response of a series rl circuit using pspice where r100. Pspice tutorial create a new project and select analog or mixed ad. Input is a sinusoidal voltage with the peak value of 10v and the frequency of 1khz, i. Browse cadence pspice model library cadence pspice technology offers more than 33,000 models covering various types of devices that are included in the pspice software. Pspice includes pspice ad, pspice ad basics, and pspice. Use ac analysis to see response versus frequency for amplifiers, attenuators, filters active or passive and so on. Orcad pspice is a simulation program that models the behavior of a circuit containing analog devices. The spice module captures the psim circuit schematic and runs spice simulation. Download pspice for free and get all the cadence pspice models. Pspice schematics is a schematic capture frontend program with a direct interface to pspice. Page 79 configuring pspice schematics when autosave is enabled, pspice schematics creates a temporary file with the same name as the active working file, and a file name extension ending in for example. Pspice ad manual and examples, part 2 in this example we will simulate an inverting operational amplifier using one of the most common commercial operational amplifiers, the a741. I found out that if i let the value of r1 pspice and pspice ad 28.
The noisegenerating devices in the circuit are the resistors and semiconductor devices. For example, you can specify a dc source specified together with an ac source and transient source, all of which are connected to the same nodes. Most typically, we will use a voltage source with an amplitude of 1 v. Introduction to pspice objectives a primary purpose of this lab is for you to become familiar with the use of pspice and to learn to use it to assist you in the analysis of circuits. Spice quick reference sheet the general anatomy of a.
Drop the command on the drawing and pres the run man running button. We use probes to generate the frequency response plots, which show up in separate windows. Electrical and computer engineering outline introduction. Basic screen there are three windows that are opened. Xiong this tutorial will guide you through the creation and analysis of a simple mosfet circuit in pspice schematic. Finding out more about ac sweep and noise analysis. Data statements basic components resistors capacitors and inductors voltage and current sources independent dc sources independent ac sources transient sources sinusoidal sources piecewise linear source pwl pulse. Then, control statements tell spice what type of analysis to perform on the circuit. Microsim owns various trademark registrations for these marks in. Pspice simulates the circuit, and calculates its electrical characteristics. How to use this manual the manual is a work in progress. First, data statements describe the components and the interconnections. Calculate the amplitude of the fundamental frequency component in va and compare with the fourier results in the simulation.
So far we have covered circuits with resistors and independent sources. Figure 1 shows the pspice schematic for a circuit that was analyzed in class. Data statement, and temperature sweep are selected, a parameter name must be chosen for the source value and subsequently referred to in the. Starting a new project in pspice by following these simple steps. Bias point the bias point analysis is the starting point for all analysis. Bias point, dc sweep, ac sweepnoise, and time domain transient. Introduction to orcad capture and pspice notes for. Pspice for circuit theory and electronic devices is one of a series of five pspice books and introduces the latest cadence orcad pspice version 10. Computer modeling of electronic circuits with ltspice. The software is already installed in the computer of every station. The symbol for an ac voltage source is an example of an ac source is vtv0 sin.
Launch pspice capture student by leftclicking your mouse on startpspice student capture student. You can print any portion of this manual, or the entire book, to keep as a printed reference. Using sources and stimuli independent source elements starhspice manual, release 1998. Historically this was a separate application but it is now integrated with pspice.
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