The pspice convention for both npn and pnp bjts and n and pchannel fets is that all currents are defined to be entering the device. Pspice tutorial pspice is a software tool for spice simulation. This document describes how to create a pspice symbol. Orcadpspice manual izmir university of economics 1 orcadpspice tutorial prepared by res. Xiong this tutorial will guide you through the creation and analysis of a simple mosfet circuit in pspice schematic. Pspice is an acronym for personal simulation program wi. Introduction to pspice pspice is a circuit analysis tool that allows the user to simulate a circuit and extract key voltages and currents. F in the two runs this tutorial is written with the assumption that you know how to do all of.
Pspice online training spice circuit simulator application for simulation and verification of analog and mixedsignal circuits. This tutorial is based on pspice with orcad capture 16. A new window pop up with the pspice project type, select create a blank project and click ok. Included in this manual are detailed command descriptions, startup option definitions, and a pspice your microsoft windows users guide. Download pspice for free and get all the cadence pspice models. Also pspice is a simulation program that models the behavior of a circuit.
We will simulate the circuit twice, using different values of. Pspice tutorials with examples from beginners to experts. Next, pspice lists the terminal voltage differences vbe, vbc, and vce. The appendix to this document serves as a syntax reference that may be useful throughout the semester. In one environment, you can do all of the following using pspice schematics. Im going to design a simple bjt amplifier with a cc stage and a ce stage in pspice. Introduction to orcad capture and pspice professor john h. The software is already installed in the computer of every station. How to design a transistor circuit that controls lowpower devices duration. We also learnt that the transistor junctions can be biased in one of. Pspice ad reference guide montana state university. Transistors are three terminal active devices made from different semiconductor materials that can act as either an insulator or a conductor by the application of a small signal voltage.
For example, it is used to simulate and design electronics circuits, digital circuits and you will see the example of all of these in this complete list of tutorials. Be warned that there are multiple libraries providing the 0 symbol. This tutorial will teach you all you need to know about pspice for ece 65. In the analysis we will find the id current and the vds voltage at the given values of vdd and vgs. 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. Model editor workspace with data for a bipolar transistor. The fusion of these two diodes produces a three layer, two junction, three terminal device forming the basis of a bipolar junction transistor, or bjt for short. Cadence pspice technology offers more than 33,000 models covering various types of devices that are included in the pspice software.
This tutorial covers the use of orcad ee pspice software package, i. Pspice tutorials are used in many engineering applications for simulation purpose. Transistor circuit biaspoint calculation using orcad pspice youtube. Place the ground symbol in the schematic and connect it to the circuit. The circuit is described using the schematic editor named orcad. Electrical and computer engineering outline introduction. The circuit diagram below is what you will build in pspice. Can anyone give me a spice toturial for amplifiers. An outline of pspice pspice simulates the behavior of electronic circuits on a digital computer and tries to emulate both the signal generators and measurement equipment such as multimeters, oscilloscopes, curve tracers, and frequency spectrum analyzers. To see the resistors, independent voltage and current source, diode and bipolar. This manual generally follows the conventions used in the microsoft windows users guide. Once you have clicked ok in the create pspice project dialog box, the schematic window will open and you are ready to begin adding libraries.
Klingenberg school of engineering and computer science san francisco state university. Set the values for all the parts, for example, the resistance values of resistors, the width w and length l of transistor, etc. Monte carlo predicts the behavior of a circuit statistically when part values are varied within their tolerance range. And pspice is a product of the orcad corporation and the student version we are using is.
This manual has comprehensive reference material for all of the pspice circuit analysis applications, which include. In this tutorial, we will examine the use of bjts in pspice. This tutorial is written specially for cet 3464 software programming in engineering technology, a course offered as part of bsecet program at valencia college. Pspice is the most widely used simulation program, but these techniques are similar in many cad programs, so hopefully this note. In order to simulate a circuit, pspice needs a ground node attached to it. Davies september 18, 2008 abstract this handout explains how to get started with cadence orcad to draw a circuit schematic capture and simulate it using pspice. But, how can psice calculate the gain, i mean in a way exept of.
This pspice tutorial is about a series voltage regulator with a transistor and a zener diode. Bipolar transistor base input characteristics simulation using ni multisim. In this tutorial, i will help you do the analysis of an ac circuit. Bjt circuits at dc in this tutorial, we will examine the use of the dc sweep analysis, which is. It is a semiconductor device and it comes in two general types. But, how can psice calculate the gain, i mean in a way exept of looking at the out put graph and guess the voltage gain. Frequency response in this tutorial, we will look at frequency response simulations.
Examining vbe and vbc provides a quick way to check the operating region of. It outlines how to run hspice in windows and unix, then delves into the details of creating netlists, simulating them, and using awaves to plot the results. Hspice tutorial university of california, berkeley. 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. We will use pspice to simulate a simple dc circuit that has npn and. Pspice schematics is just one element in our total solution design flow. Pspice schematics is a schematic capture frontend program with a direct interface to pspice. At the start of the tutorial a brief introduction of ac alternating current is provided after that a simple ac circuit is implemented in pspice and the. Orcad pspice ad are registered trademarks of orcad, inc.
Spice model the spice model of a bipolar transistor includes a variety of parasitic circuit elements and some process related parameters in addition to the elements previously discussed in this chapter. Spice tutorial purdue engineering purdue university. This is different than the convention used in some texts e. Aug 10, 2018 bjt iv characteristics using pspice pspice tutorials how to use pspice on analog and digital circuits, learn pspice in simple way, simple practicals in pspice, pspice schematic student edition. Transistor circuit biaspoint calculation using orcad pspice. In the two previous examples we chose the parameters to be. Pspice is the most prominent commercial version of spice, initially. Bipolar transistor equations for quasisaturation effect 211. If we need a graphical output, pspice can transfer its data to the probe program for graphing purposes. Bipolar junction transistors bjt general configuration and definitions the transistor is the main building block element of electronics. Pspice tutorial create a new project and select analog or mixed ad.
There are examples of all four types of standard simulation and a selection of different plots. Here we will describe the system characteristics of the bjt. Murat askar orcadpspice is an integrated package that is used to describe a circuit and simulate it under a predefined scenario. Adding libraries if you are using pspice for the first time on your computer or you are using a lab computer, the parts libraries will need to be added. We will use pspice to simulate a simple dc circuit that has npn and pnp transistors. Pspice simulates the circuit, and calculates its electrical characteristics.
In this short video, i have shown how to plot inputoutput characteristics curve of a common emitter configuration of a transistor circuit using orcad pspice. Objectives the learning objectives for this laboratory are to give the students a brief introduction to using pspice as a tool to analyze circuits and also to demonstrate the use of a small signal model as an example of a dependent source. This class was explained the basis of circuit and pspice program in detail. Begin by using the parts browser to place a ua741 operational amplifier in your schematic. Select the source library before selecting the 0 symbol, then click ok. Lets create bjt circuit shown in figure 50 and perform dc bias analysis. In particular, you should know how to start the program, set up a new project, add parts libraries, place and edit parts for the circuit, wire together the parts to form the circuit. An ac circuit is the one in which the source of the circuit is of alternating current rather than dc direct current.
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