Pspice is a computer program used mostly by engineers and scientists. For example, he can see the graph of the output voltage vs. Pspice software from microsim allows onscreen assembly, simulation, and analysis of electronic circuits. Power electronics can be a difficult course for students to understand and for professors to teach.
Instructions for ee 42 pspice assignment you can install them. How to generate test data for a cmos inverter using orcad pspice. Overview of entering circuits with controlled sources in orcad. Pspice has many excellent models of transistors, thyristors and other devices that react to changes in a base circuit or a gate input. You can either select the current and multiply it by or plot it on a separate y axis. Source controlled multiple controlling sources voltage source.
A voltage controlled voltage source part e is used. Orcad pspice with probe is a circuit analysis program that lets. You can put a switch in series to break a voltage but if you put it in series with an ideal current source, the current will still manage to get through the switch even if it is 1g ohm. Electrical and computer engineering outline introduction. The swich is connected with vpulse source whis values are. The currentcontrolled voltage source is also in the analog library. Note that pspice lab has the full version of pspice instead of smaller, less capable demo version. Dec 28, 2014 this video shows how to implement dependent sources in pspice software. Get access to full version of the latest release of orcad electronic design software solutions for free. Here is the configuration is this configuration correct. This source produces a current at the output terminals that is a linear function of the. A quick guide for pspice university of mississippi. Figure 1 above shows an example of a circuit with a.
The blue line can be seen on right picture 0vbottomside. This is the nocost basic, student version of pspice. 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. Spice for power electronics and electric power, 3rd. As described in the license agreement, you are permitted to run one copy of the orcad software on one computer at a time. Voltagecontrolled voltage source 4 voltagecontrolled current source 4 basic spice polynomial expressions poly 6 basic controlled source properties 6 implementation examples 7 currentcontrolled current source 9 currentcontrolled voltage source 9 basic spice polynomial expressions poly 9. They will source current, but if the load forces current back into the power supply, the power supply voltage will rise. Firstly, i considered i o as a 1a dc current source in pspice. The pspice schematic containing the simulation result is as shown below. Since the amplitude of the voltage is 10 and the amplitude of the current is 4ma, the current looks like a flat line.
Since we want to plot the voltage and current versus time, the transient analysis is used. National instruments multisim this is a commercial software i. 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. Analog design and simulation using orcad capture and. Rightclick on it to pop up a menu as shown in figure 3. The simulationready voltage controlled current source component gsrc can be.
Openbook online documentation library, orcad, orcad capture, pspice, sourcelink online. The syntax for the voltage controlled voltage source is. 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. The pspice version available at the university of mississippi can be used on a personal computer for sophisticated analysis of. It required too much lecture time to cover the wide scope of the orcad lite software, so i wrote this manual using the philosophy that the screen captures presented in this manual would be the same as if i were presenting the software in a lecture. The first is a 0v voltage source, which acts as an ammeter, to measure the current input and then the actual current controlled voltage source that references it. After the dependent source has been placed, left click on it to select it. Consider the sinusoidal voltage source in the above image, with the following characteristics. Pspice is now a component of the orcad product family. Analog design and simulation using orcad capture and pspice provides stepbystep instructions on how to use the cadenceorcad family of electronic design automation software for analog design and simulation. Download pspice for free and get all the cadence pspice models. I mean the blue line which is the voltage output for the circiut. Referring to the simulation result in pspice, i also wondered why is there no current flow through the 2 ohm resistor expected 0. To perform an ac analysis, the independent voltage source vac or current.
Is there a converter in pspice for current to voltage. Unauthorized duplication of the software or documentation is prohibited by law. Sometimes one would like to figure out voltage, current, or power for a given circuit. In order to convert the current to voltage you need only to connect a resistance to the current source. Hsrc currentcontrolled voltage source model online. National shooting sports foundation nssf recommended for you. Ltspice tutorial ep7 dependent voltage and current sources. This uses a constant amplitude ac source whose frequency can be varied over some range. Pspice schematic probes are placed in the circuit to measure the voltage across the resistor and the current through the inductor. Sep 07, 2018 popular open source alternatives to pspice for linux, windows, mac, web, software as a service saas and more. If you doubleclick the e1 dependent voltage source in pspice, you may find the gain property. Cadence pspice technology offers more than 33,000 models covering various types of devices that are included in the pspice software. How to implement dependent sources in orcad pspice sams tutorials. Fsrc currentcontrolled current source model online.
The main advantage of the schematic capture front end of pspice is its ease of use. The command file is read by the program and all of the commands contained within the file. Pspice gives a quick way of calculating these values. This allows you to make a plot of a voltage or current in the circuit as a function of the dc source voltage. This video shows how to implement dependent sources in pspice software. To connect the components of the circuit select wire from the toolbox on the right part of the screen fig.
There are examples of all four types of standard simulation and a selection of different plots. Voltage controlled voltage source 4 voltage controlled current source 4 basic spice polynomial expressions poly 6 basic controlled source properties 6 implementation examples 7 current controlled current source 9 current controlled voltage source 9 basic spice polynomial expressions poly 9. Even though cadence decided to discontinue the pspice to streamline their product portfolio the software pspice is highly adequate to become familiar with computer aided engineering and contains all relevant functions. The download below is a basic nocost version of pspice, pspice 9. The output source gets a value, which is a combination of arithmetic op. Analog design and simulation using orcad capture and pspice. The current controlled voltage source actually implements two individual devices, as can be seen from the netlist template. For the latest product or release information, visit us at. Pspice tutorials pspice tutorials contents 1st tutorial. Organized into 22 chapters, each with exercises at the end, it explains how to start capture and set up the project type and libraries. Download orcad free trial now and see how orcad can help you bring your ideas to fruition and boost your productivity. Impulse generator and lightning characteristics simulation. Tutorial on how to find and use controlled sources in orcad 16.
Pspice utilizes the implied 1 and 2 ends for it s handling of current directions and voltage polarities, for example, it represents current as entering a device from its 1 end and leaving its 2 end, and it represents a positive voltage at its 1 end with respect to its 2 end. Change the resistor values to 10 and 20, just as you changed the source values. The most appropriate and simplest iv converter is the resistor with a suitable value. Connecting currentcontrolled voltage source in pspice. Dependent sources voltage controlled voltage source. Then, i have tried to connect the 4terminal currentcontrolled voltage source in pspice but i am not sure whether it is correct.
Orcad capture cis, orcad pspice designer, orcad pcb designer professional, orcad sigrity erc, and more. Explore 8 apps like pspice, all suggested and ranked by the alternativeto user community. The input and output node voltages are viewed using the viewpoint part. The evaluation version of this software has been made available by microsim free of charge to students. The first is a 0v voltage source, which acts as an ammeter, to measure the current input. Pspice voltagedependent, voltage source eeweb community. Oct 28, 2010 firstly, i considered i o as a 1a dc current source in pspice. Simple dependent sources voltage controlled dependent voltage source. Reference first i want to tell you a little bit about the history of pspice.
The gain can be either a positive or negative gain. An annoying problem in pspice is the inability to change some properties of the part. Source controlled multiple controlling sources current source. Popular open source alternatives to pspice for linux, windows, mac, web, software as a service saas and more.
Founded in 1985 by john durbetaki, ken and keith seymour as orcad systems corporation in hillsboro, oregon, the company became a supplier of desktop electronic. This time, replace the dc voltage source with a time varying voltage source, such as vpulse. They provide transfer functions, mathematical expressions, or lookup tables to describe the behavior of an electronic device or circuit. The currentcontrolled voltage source actually implements two individual devices, as can be seen from the netlist template. Rifle sightin process longrange rifle shooting with ryan cleckner duration. How to implement dependent sources in orcad pspice.
One problem though, pspice ploted the current and the voltage on the same axis. I read the pspice user giude and saw about this swich, but didn figure out how to controll it. Close the library selection window and we will begin the construction of the following circuit. Compare the pspice result with the mathcad results 4. Using pspice for circuits with dependent sources csun.
The left side is connected so that the controlling current in this case i 0 runs through the left side of the dependent source symbol. Simplifying the process for both, spice for power electronics and electric power, third edition illustrates methods of integrating industry standard spice software for design verification and as a theoretical laboratory bench. The simulationready current controlled current source component fsrc can be. Pspice is a circuit analysis program, developed by microsim corporation, based on the well known spice program simulation program for integrated circuit evaluation developed at the university of californiaberkeley. The name orcad is a portmanteau, reflecting the company and its software s origins. How to implement dependent sources in orcad pspice youtube. Cadence orcad pcb designer with pspice comprises three main applications. Orcad systems corporation was a software company that made orcad, a proprietary software tool suite used primarily for electronic design automation eda. Overriding cd4000 power supply voltage throughout a design 469. It is essentially very similar to the full version of pspice, but it has some. Jan 24, 2014 overview of entering circuits with controlled sources in orcad. Some versions of pspice allow you to ask for a current through a resistor without using a voltage source ex. This circuit contains a current controlled voltage source.
Dc transformer voltage controlled voltage source e. For instance, suppose we wanted to make the voltage source above model. Pspice schematic with current controlled voltage source note that the right side of the device goes where the voltage source appears in the circuit. Download orcad free trial now to have a full evaluation of all orcad tools with no functionality limitations. It is essentially very similar to the full version of pspice, but it has some limitations not present in the full version. Gsrc voltagecontrolled current source model online. Orcad free trialorcad trial provides full version of the latest release of orcad electronic design software solutions for free for a limited time, including orcad capture cis, orcad pspice designer, orcad pcb designer professional, orcad sigrity erc, and more. It is likely that the old url for this pspice tutorial will disappear on august 31, 2015. Pspice software for simulating voltage and currents of a text file netlist of a electronics components such as resistors, capacitors, inductors, transisters, diodes, voltage and current sources, etc. The overvoltage or overcurrent resulting from a lightning incident will. Orcad pspice optimizer, which is an analog performance. Introduction to orcad capture and pspice professor john h. Circuit containing currentcontrolled voltage source used for analysis.
Sales, technical support, and training the orcad product line is owned by cadence design systems, inc. The software is used mainly by electronic design engineers and electronic technicians to create electronic schematics, perform mixedsignal simulation and electronic prints for manufacturing printed circuit boards. Accordingly, it was created with the ability to recognize the typical metric units for numbers. Similar to bias point, expect that the value of one dc source in the circuit can be varied over some range, and the currents and voltages in the circuit are calculated at each dc source value. Controlled sources in cadence orcad spice for dc circuit. In many cases, we need to use switches that open and close at certain times or under certain conditions of voltage or current.
How to use a voltage controlled current source in pspice. Cover for analog design and simulation using orcad capture and pspice. Orcadpspice manual izmir university of economics 5 12 then set the parameters of voltage source. The simulationready sinusoidal voltage source component vsin can be found in the simulation sources integrated library \library\simulation\simulation sources.
Then, i have tried to connect the 4terminal current controlled voltage source in pspice but i am not sure whether it is correct. The symbol is more complicated than the standard handdrawn symbol. And even where they can sink current, as in the case where a shunt regulator circuit is present at the output of the source supply, there is some limit to the current they can accept and stay within regulation. The first is a 0v voltage source, which acts as an ammeter, to measure the current input and then the actual currentcontrolled voltage source that references it. The ac complex voltages and currents are calculated at each frequency. The chapter will also introduce some of the features found in the latest software releases.