The tutorial starts under the assumption that the demo version of. Ensemble, nc verilog, openbook online documentation library, orcad, orcad. Explore 8 apps like pspice, all suggested and ranked by the alternativeto. And pspice is a product of the orcad corporation and the student version we are using is. Referring to the simulation result in pspice, i also wondered why is there no current flow through the 2 ohm resistor expected 0. For instance, suppose we wanted to make the voltage source above model. 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. It took me more time to get the interpretable results from ltspice than from pspice. Figure 1 above shows an example of a circuit with a current controlled voltage source. Introduction to pspice for electric circuits, 10e james w.
Popular open source alternatives to pspice for linux, windows, mac, web, software as a service saas and more. Jan 24, 2014 overview of entering circuits with controlled sources in orcad. Since we want to plot the voltage and current versus time, the transient analysis is used. Overview of entering circuits with controlled sources in orcad. Transforming the voltage source to the current source and writing the node voltage equation results in. We recommend checking your downloads with an antivirus. I just wanted to try out pspice, and it didn t disappoint.
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. Hsrc currentcontrolled voltage source model online. The current controlled voltage source actually implements two individual devices, as can be seen from the netlist template. Pspice voltage and current sources watch more videos at lecture by. Use the same procedure to place two dc voltage sources vdc in the source. It is likely that the old url for this pspice tutorial will disappear on august 31, 2015. Controlled sources in cadence orcad spice for dc circuit. You can either select the current and multiply it by or plot it on a separate y axis. A capture pspice primer for elec2210 fall 2010 class. If you havent done it previously, add the analog and source libraries.
Oct 28, 2010 firstly, i considered i o as a 1a dc current source in pspice. After simulation, pspice automatically plots in pspice, a current marker has to be added to a terminal e. Also pspice is a simulation program that models the behavior of a circuit. Download pspice schematics external link file types supported by pspice schematics. How to use a voltage controlled current source in pspice. The vpulse source has 7 parameters affecting the waveform. The program lies within education tools, more precisely science tools. Use pspice and ac analysis for a single point 60 hz to obtain the. Transforming the voltage source to the current source and writing the nodevoltage equation results in. Dependent sources voltage controlled voltage source. This video shows how to implement dependent sources in pspice software. Firstly, i considered i o as a 1a dc current source in pspice. The common filenames for the programs installer are pspice.
A few things to note about the alternating current source, first pspice takes it to be a sine source, so if you want to simulate a cosine wave you need to add or subtract a 90 phase shift. The output voltage start up ramp is internally controlled to provide a controlled start up and eliminate overshoot. Our users primarily use pspice schematics to open these file types. Orcad tutorial simulating the circuit parallel systems. The currentcontrolled voltage source actually implements two individual devices, as can be seen from the netlist template. May 12, 20 make inductors, zeners and sources easily with the new pspice modeling apps. Orcad pspice ad how to use this online manual how to print this online manual welcome to orcad overview commands analog devices digital devices customizing device equations.
But here are the reasons, why i ll stick to pspice. This tool was originally designed by cadence design systems. If we need a graphical output, pspice can transfer its data to the probe program for graphing purposes. Pspice ad reference guide montana state university. 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 simulation the target of computeraided analysis is to. 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. Gsrc voltagecontrolled current source model online. An annoying problem in pspice is the inability to change some properties of the part. The tutorial starts under the assumption that the demo version of pspice is installed on your computer. In many cases, we need to use switches that open and close at certain times or under certain conditions of voltage or current. Vampl amplitude peak or magnitude of the sine wave. Included in this manual are detailed command descriptions, startup option definitions, and a. Give the project whatever name you like and have it stored in a convenient place.
Make inductors, zeners and sources easily with the new pspice modeling apps. Since the amplitude of the voltage is 10 and the amplitude of the current is 4ma, the current looks like a flat line. 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. How to implement dependent sources in orcad pspice. Click the run pspice button and the pspice analysis results will appear as shown below. This tutorial introduces the dependent source elements in.
Education software downloads pspice student by cadence design systems, inc and many more programs are available for instant and free download. Place a voltage marker on the out net, if you edited the previous simulation profile, remove the db voltage marker first select it and delete, pspice markers voltage level. This is your basic direct current voltage source that simulates a simple battery and allows you to specify the voltage value. Now that you have placed your 4 resistors we will place a dc voltage supply.
Give the junction between the r and c the alias of vout using the net alias tool as shown below. Close the library selection window and we will begin the construction of the following circuit. Place a voltage marker on the out net, if you edited the previous simulation profile, remove the db voltage marker first select it and delete, pspicemarkersvoltage level. If you did get a decent answer you can accept it and you might get more responses to this question. One problem though, pspice ploted the current and the voltage on the same axis. Pspice schematic with current controlled voltage source note that the right side of the device goes where the voltage source appears in the circuit. 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. We wish to warn you that since pspice files are downloaded from an external source, fdm lib bears no responsibility for the safety of such downloads. Sometimes one would like to figure out voltage, current, or power for a given circuit. Specify the voltage source that you wish to sweep v2 or the one connected to vin specify the start and stop voltages as well as the voltage increment. The sinusoidal source vsin is in the source library. Pspice ad reference guide includes pspice ad, pspice ad basics, and pspice product version 10. Pspice simulates the circuit, and calculates its electrical characteristics.
Download orcad free trial now to have a full evaluation of all orcad tools with no functionality limitations. National shooting sports foundation nssf recommended for you. Give the junction between the source and the r the alias vin. Tutorial on how to find and use controlled sources in orcad 16. Download pspice for free and get all the cadence pspice models. 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. The simulation will run and the the probe window will open with the waveform at the out net shown. Just like the dc offest on the function generators in lab. Adding voltage marker to a node or current marker to terminal of a part click on the voltage marker icon, then place it on r1, we want to observe voltage here. Using pspice for circuits with dependent sources csun. Use the link given below and proceed to the developers website in order to download pspice free. The source is sinusoidal and there is a diode in the circuit. To simulation your design, you need to provide pspice with the following information. Use pspice and ac analysis for a single point 60 hz to obtain the node voltages v1 and v2, and current in r3.
Start the orcad schematic capture program start programs orcad 15. Then, i have tried to connect the 4terminal current controlled voltage source in pspice but i am not sure whether it is correct. Overriding cd4000 power supply voltage throughout a design 469. Pspice schematic probes are placed in the circuit to measure the voltage across the resistor and the current through the inductor. Rifle sightin process longrange rifle shooting with ryan cleckner duration. Some versions of pspice allow you to ask for a current through a resistor without using a voltage source ex. Connecting currentcontrolled voltage source in pspice.
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. Voltage and current markers are used to probe the voltage or current. V1 first voltage v2 second voltage td initial delay tr absolute rise time tf absolute fall time pw pulse width per period to simulate a step response, we use a vpulse source set to v10v, v21v, td0, tr1ps, tf1ps, pw1s, and. Pspice tutorial for elen 3081 introduction installation electrical. In pspice, this can be done using the etable component in the 2015 oxford university press reprinting or distribution, electronically or otherwise, without the express written consent of oxford university press is prohibited. Pspice has many excellent models of transistors, thyristors and other devices that react to changes in a base circuit or a gate input. Cadence pspice technology offers more than 33,000 models covering various types of devices that are included in the pspice software. For the purpose of this tutorial we will only need the analog and the source library. To simulate click on the run pspice icon at the top of the schematic. Then, i have tried to connect the 4terminal currentcontrolled voltage source in pspice but i am not sure whether it is correct. 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. If you doubleclick the e1 dependent voltage source in pspice, you may find the gain property.
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