Pspice is a simulation program that models the behavior. Dc, ac sweep, transient, sources dos and donts, using the scope and making measurements, waveform display tools. Use the component vdc for dc power supplies, and vac for signal sources. Get access to a fullfledged version of latest cadence pspice simulation software for free including pspice ad, pspice advanced analysis and more. If yes, then do simulate dc sweep and look at the left hand panel. Draw an electronic circuit on the computer using capture. When the circuit is finished simulating, the probe window will appear. Learn the basics of circuit simulation using cadence design systems powerful simulation software. One of the things i have to investigate is the bjt with a base current bias. Understand how to use pspice for basic circuit analysis. Organized into 22 chapters, each with exercises at the end, it explains how to start capture and set up the project type and libraries.
Pspice simulation profile an overview sciencedirect topics. When you setup the ac sweep profile, you can specify the analysis type as being either linear, octave, or decade. From the pspice menu, select the menu item new simulation pro. It simulates complex mixedsignal designs containing both analog and digital parts, and it supports a wide range of simulation models such as igbts, pulse width modulators, dacs, and adcs. Historically this was a separate application but it is now integrated with pspice. Pspice technology delivers inherent mixedsignal simulation capabilities along with the ability to integrate with orcad and allegro tools, making power supply analysis simple.
The dc sweep of the voltage source v1 is defined in the. Cadence pspice technology combines industryleading, native analog, mixedsignal, and analysis engines to deliver a complete circuit simulation and verification solution. An ac sweep could be a change in an ac voltage over time, or more commonly, a change in ac frequency over time. Pspice simulation technology combines industryleading, native analog. Frequency sweep simulation for parallel rlc ac circuit. Select analysis type to dc sweep and select the sweep variable as a global parameter with a parameter name.
Pspice simulates the circuit, and calculates its electrical characteristics. As with other analysis types, a pspice simulation profile needs to be created. Apply a current source and use dc sweep to obtain the vi graph for the thevenin circuit and compare with the original. Best explanation about pspice for beginners, thanks a lot. This advanced analysis package includes utilities for sensitivity analysis, goalbased multiparameter optimization, component stress and reliability analysis, and monte carlo analysis for. Dc sweep analysis online documentation for altium products. The software is already installed in the computer of every station. Make sure the sweep variable is set to voltage source. What im trying to do is plot the base current ic vs the voltage. Any adjustable parameter can be the subject of a sweep for instance turning a 100k. You will need to set up a dc sweep with a global parameter named rvariable for a linear sweep from 500u to 100ku in steps of 500u.
This advanced analysis package includes utilities for sensitivity analysis, goalbased multiparameter optimization, component stress and reliability analysis, and monte carlo analysis for yield estimation. Pspice is an acronym for personal simulation program with integrated circuit emphasis. Now set up a dc sweep simulation that sweeps vin from 0 to 5 v in 0. Calculations using the simplified model should not exhibit very much deviation from the more complex and accurate model used by spice however the results may differ slightly. I had downloaded the model files for these from the analog devices website and have added them looking up some tutorials and basically with the help of the net, as im a a complete newbie to pspice or any analog circuit simulation software for that matter. With its core cadence pspice technology, the allegro pspice system designer provides fast and accurate simulations. The ac sweep simulation analysis is configured through the simulation setting dialog box in much the same way as the dc bias analysis and the dc sweep analysis introduced in lessons 2 and 3. The sweep type will be linear with a start value of 500u, an end value of 100ku and an increment value. Now that we have a handle on all of the new buttons and features, follow along with the steps below to run your first ac sweep simulation.
Spice is a program developed by the ee department at the university of california at berkeley for computer simulation of analog circuits. A circuit for a nonlinear transformer created using three inductors for the coils, l1, l2 and l3 is presented. Verify your hand calculations and homework in circuits 1 and circuits 2 class. Personal simulation program with integrated circuit emphasis. Circuitlab is an inbrowser schematic capture and circuit simulation software tool to help you rapidly design and analyze analog and digital electronics systems.
Analog design and simulation using orcad capture and 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 results were analyzed precisely. And pspice is a product of the orcad corporation and the student version we are using is. Frequency sweep simulation for parallel rlc ac circuit using orcad. After some preliminary information on the software, the instructions begin with the circuit. The type of simulation performed by pspice depends on the source specifications and control statements. Dc sweep of zener diode characteristics not working. This voltage is practiccally identical to the input dc voltage v1. Download solid state logic case study download appnote single switch forward converter internet of things. Select analysis type to dc sweep and select the sweep variable as a global. An ac circuit is the one in which the source of the circuit is of alternating current rather than dc direct current.
Introduction to dc sweep, ac analysis and transient analysis duration. Analog design and simulation using orcad capture and pspice, second edition provides stepbystep instructions on how to use the cadenceorcad family of electronic design automation software for analog design and simulation. The name is the reference designator for the voltage source which in this case is v1. Whether youre prototyping simple circuits, designing complex systems, or validating component yield and reliability, orcad pspice technology provides the best, highperformance circuit simulation to. In this tutorial, we will examine mosfets using a simple dc circuit and a cmos inverter with dc sweep analysis this tutorial is written with the assumption that you know how to do all of the basic things in pspice. Setup analysis to tell spice what simulation you need transient analysis, dc sweep, etc. For instance, resistor values, currents, or voltages can be swept. Simulate circuit designs, be more equipped for your job, complete circuits 1 and circuits 2 assignments and gain respect from your engineering peers. Analog simulation with pspice integrity solutions edais. Analyse its behaviour with probe, which can produce a range of plots. Spice circuit simulator application for simulation and verification of analog and mixedsignal circuits.
Prepare a circuit for simulation to simulation your design, you need to provide pspice with the following information. Pspices strong point is that it helps the user to simulate the circuit design graphically on the computer before building a. The current is determined by the resistor r1 only and there is no or only a very small voltage drop across the diode. This will open the simulation dialog ac sweep should already be selected with specific values entered for start freq and end freq.
Apr 11, 2019 pspice calculates complex node voltages and branch currents at each frequency across your design, allowing you to place probes and generate waveform plots for further analysis. A transient analysis will evaluate a circuit in real time such that it will then be. Simulation is an essential link in the process of pcb design. Also pspice is a simulation program that models the behavior of a circuit.
It seems you have forgotten to specify the zvoltage in your model. As an example of this, suppose we want to experimentally determine the thevenin equivalent of the circuit of figure 9 to the left of the terminals ab. Having problems with dc sweep circuitlab support forum. Dc analysis for circuits with timeinvariant sources e. Orcad pspice combines industryleading, native analog, mixedsignal, and analysis engines to deliver a complete circuit simulation and verification solution. Pspice s strong point is that it helps the user to simulate the circuit design graphically on the computer before building a physical circuit. Hi, i have to simulate a bipolar junction transistor in pspice and investigate its behaviour. A small dialog appears that asks you to give a name to the simulation pro. You run dc bias simulations, transient analysis simulations, and sweep. Orcad howto pspice simulation types tutorial cadence orcad. It calculates all nodal voltages and branch currents over a range of values. 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. This documentation applies to the firsttime users of the pspice simulation software, in.
Organized into 22 chapters, each with exercises at the end, it explains how to start capture and set up the project type and libraries for pspice simulation. To construct the commonemitter output characteristics for the npn transistor a dc sweep simulation must. The reference designators, l1, l2, and l3, are added to the k. Pspice is a simulator provided by orcad pcb design software. If we need a graphical output, pspice can transfer its data to the probe program for graphing purposes. This time give it the name resistance the simulation profile setup for a dc sweep is shown below. You run dc bias simulations, transient analysis simulations, and sweep simulations, allowing you to sweep component values, operating frequencies, or global parameters. Coupled with work flow of orcad capture, pspice provides a fast trailer prior to board design in order to increase pcb manufacturing efficiency and ensure the final performance of pcbs. Pspice analysis setup dc sweep watch more videos at s. Orcad tutorial simulating the circuit parallel systems. The sweep type is set to linear, starting from 0 to 10 v in steps of 1 v. In its original form you tell spice what elements are in the circuit resistors, capacitors, etc. Pspice analysis setup dc sweep watch more videos at lecture by. Whether youre a student or professional, spice will allow you to predict the behavior of your electronic circuits accurately.
To use pspice, start with the pspice schematics program. Purchase analog design and simulation using orcad capture and pspice 2nd edition. Design you circuit in schematics before we start our design, first please create your own folder in. Download pspice free trial now to see how pspice can help improve productivity, yield and reliability of your circuits. Spice does the circuit analysis and puts out an ascii file with the information. The dc operating point analysis is done by default.
As before, go to the pspice tab, or the button, and create a new simulation profile. Whether youre prototyping simple circuits, designing complex systems, or validating component yield and reliability, orcad pspice technology provides the best, highperformance. Dec 18, 2006 hi, i have to simulate a bipolar junction transistor in pspice and investigate its behaviour. Spice tutorial engineering purdue purdue university. Pspice has a feature which allows you to automatically change a part value within a specified range and to simulate and graph the results. The dc sweep analysis varies a voltage source over a range of. Examples consider the circuit in the image above, where a dc sweep analysis is defined with the following parameter values. Analog design and simulation using orcad capture and. Dc sweep analysis this tutorial is written with the assumption that you know how to do all of the basic things in pspice. A dc sweep would therefore be a change in voltage of a dc source. So, the current status is that i get some errors when i try to run the simulation.
The basics of spice and how its integrated into autodesk eagle. Observe the simulation results traces of signals in orcad pspice ad demo. The analog simulation with pspice course starts with the basics of entering a design for simulation and builds a solid foundation in the overall use of the software. The simulation results are displayed on the dc sweep tab of the waveform analysis window.