Inc include file a4 h current controlled current source a15. Learn about the new spice simulation in autodesk eagle 8. Instructions for ee 42 pspice assignment you can install them. The symbolic name of this switch is csw, and its file name is csw. Voltage controlled dependent voltage source voltage controlled dependent current source current controlled dependent current source current controlled dependent voltage source using pspice to find the thevenin equivalent circuit 3rd tutorial. It can remain fixed while spice simulates the circuit according to nutmeg. The four types of dependent sources are listed below in table 1 along with their abbreviation, pspice name and library. Ltspice mac how can i display the current in the schematic. Pspice bias points, and check enable, enable bias current display, andor enable bias.
Isw current controlled switch model online documentation. Basic circuit simulation with ltspice technical articles. Ltspice, orcad or pspice trademarks belong to their respective owners. Depending on your choice in step 3, either enter the pwl values or choose a file. Pspice gives a quick way of calculating these values. You wont have to build anything, its already included. Pspice can be used for design verifications of power electronics circuits. Subcircuits coding a subcircuit invoking a subcircuit scope of names and nodes.
My attempt i need to convert the book problem of a circuit with a voltage controlled current source with one in pspice. Understand that in all the given examples, even though all the independent currents are mirrored directly by the dependent current source, its. Are there any good, free alternative circuit simulation programs to pspice. Download pspice for free and get all the cadence pspice models. Ideal voltage or current controlled current sources can perform the function which. In many cases, we need to use switches that open and close at certain times or under certain conditions of voltage or current. Source controlled multiple controlling sources current source. Pspice schematic probes are placed in the circuit to measure the voltage across the resistor and the current through the inductor. Calculate icap the rms current though the filter capacitor as a ratio of the average load current iload. Pspice orcad simulation and tutorial voltage divider. 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. 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 currentcontrolled current source that references it.
When launching simulation from schematics, it says unable to find pspicead. The program ltspice allows to use a switch controlled by current of independent source. Below is a simulation of using a sine function to vary a resistance with time, along with an ac currentsource, to generate an am signal and a dsb suppressed. Remote desktop clients available for mac os x and linux as well. Instructions for ee 42 pspice assignment you can install. The problem is i have a pc so im using pspice, not macspice. Since we want to plot the voltage and current versus time, the transient analysis is used. In the component selection window press f2 button in the main screen to get there this switch is located in the root directory place this component in the circuit, click on then by.
Popular open source alternatives to pspice for linux, windows, mac, web, software as a service saas and more. Youre looking for a current controlled voltage source, this is already included in spice as h source. The current source i3 has a value of 12ma and flows from node 3 to node 5. Four fourier analysis a4 f current controlled current source a14. 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. Pspice software for mac the boingo software for mac for mac os v. For any current controlled dependent source, a dummy voltage is needed in series with the source so pspice can determine the current through the source. If that doesnt suit you, our users have ranked 40 alternatives to orcad all products and ten of them are available for mac so hopefully you can find a suitable replacement. Insert a spice directive press s and define the sw models parameters. If you doubleclick the e1 dependent voltage source in pspice, you may find the gain property. Is there a converter in pspice for current to voltage. 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. Pspice schematic with current controlled voltage source note that the right side of the device goes where the voltage.
Ohms law establishes the proportionality of voltage and current in a resistor. Current controlled current source drives the current through cx back into the circuit fx 4 0 vx 1. Dependent sources type of source acronym symbol in text part name in pspice symbol in pspice voltage controlled voltage source vcvs e current controlled current source cccs f voltage controlled current source vccs g current controlled voltage source ccvs h where a is a cofficient and i and v are the current and voltage at some other point in. The current controlled current source actually implements two individual devices, as can be seen from the netlist template. Download droid tesla demo for pc free download droid tesla demo for pcmacwindows 7,8,10, nokia, blackberry, xiaomi, huawei, oppo free download droid tesla demo android app, install android apk app for pc, download free android apk files at. Looking for solutions on the web, it is said to set wine for windows98 and override ole32. The most popular mac alternative is circuit simulator, which is both free and open source. If that doesnt suit you, our users have ranked 28 alternatives to pspice and ten of them are available for mac so hopefully you can find a. The currentcontrolled voltage source is also in the analog library. The cccs element will have a source port and a sense port. Ltspice does not have a generator for amplitude modulation so heres a way to do that. Control the switch with a voltage source connected to the positive terminal of. Hi everyone, i recently tried to install pspice on my mac following an older thread from about four years ago.
An annoying problem in pspice is the inability to change some properties of the part. Source controlled multiple controlling sources voltage source. Ammeter to measure current into the capacitor vx 2 1 dc 0 fx. Here we will be using the circuit 1 as a reference. Using a behavioural current voltage component bi and bv. I tried the recommendations in that thread but was not successful. Sometimes one would like to figure out voltage, current, or power for a given circuit. The symbol is more complicated than the standard handdrawn symbol.
B sources complete reference ltwikiwiki for ltspice. Vccs voltage controlled current sourcesquare wave voltage source available. If that doesnt suit you, our users have ranked 28 alternatives to pspice and ten of them are available for mac so hopefully you can find a suitable replacement. Pspice is not available for mac but there are some alternatives that runs on macos with similar functionality. Circuit elements california state polytechnic university. After the bias point analysis is completed the nodes. The first is a 0v voltage source, which acts as an ammeter, to measure the current input and then the actual current controlled current source that references it.
Open a new pspice project and enter this schematic. Using pspice for circuits with dependent sources csun. Lib library file a4 i independent current source a15. As for the voltage sources, for this circuit youll want to simply enter dc values. The two ports on the right side of the block the output ports generate the output current, with the arrow between them indicating the positive direction of the output current flow.
Connecting currentcontrolled voltage source in pspice. I want to simulate a circuit and display the current directly in the schematic. Many commercial versions of spice have later replaced berkeley spice as the industry standard. This is your basic direct current voltage source that simulates a simple battery and allows you to specify the voltage value. Do you know how to simulate an adjustable currentlimiting diode in. Figure 1 above shows an example of a circuit with a current controlled voltage source. To make this device model compatible with pspice, the following additional model parameters are supported and can be entered into a linked model file. The source vac is a 440 hz source with a peak amplitude of 10 volts.
So far we have covered circuits with resistors and independent sources. Since this dummy voltage, having a value of 0 volts, must be placed in series with the controlling source, another node must be specified between the two elements. I find really annoying to shut down my mac and then change my partition disk to windows and then use pspice. Pspice ad digital simulation condition messages 61.
Cadence pspice technology offers more than 33,000 models covering various types of devices that are included in the pspice software. Current controlled dependent current source current controlled dependent voltage source. Pspice provides an f element which is in itself a currentcontrolled current source. Download orcad free trial now to have a full evaluation of all orcad tools with no functionality limitations. Pspice software for mac software free download pspice. Ends end of subcircuit a3 e voltage controlled voltage source a. Referring to the simulation result in pspice, i also wondered why is there no current flow through the 2 ohm resistor expected 0. How to use a current controlled voltage source in pspice. Amplitude modulation source in ltspice electronics forum. While many are still compatible with the original berkeley syntax, commercial vendors added proprietary extensions that limit the portability of circuit descriptions and models between different vendors. Fsrc currentcontrolled current source model online. In the component selection window press f2 button in the main screen to get there this switch is located in the root directory. I am using the mac version, maybe its is only available in the windows version.
Ic initial transient condition a4 g voltage controlled current source a14. Source controlled multiple controlling sources current. It is likely that the old url for this pspice tutorial will disappear on august 31, 2015. Im new to pspice and im working on a project for school. Plot the current and voltage associated with one of the diodes, for example, d1, and obtain the average and the rms values of the current as a ratio of the average load current. Anyway, if you were looking for pspice for mac, you can try these applications, as these circuit simulators are also quite handy and have similar functions and features.
For instance, suppose we wanted to make the voltage source above model. Ltspice mac osx create a circuit with dependent sources. Understand basics of spice environment for circuit. You should now see values on your circuit representing current andor voltage. Since this dummy voltage, having a value of 0 volts, must be placed in series with the controlling source, another node. The currentcontrolled current source actually implements two individual devices, as can be seen from the netlist template. In general, you should avoid extremely long textual names for node designations.
Ltspice tips current dependent current source motley. Pspice has many excellent models of transistors, thyristors and other devices that react to changes in a base circuit or a gate input. Explore 8 apps like pspice, all suggested and ranked by the alternativeto user community. Cir file that he created in macspice so i could get used to the programming style and try to run it on my computer. Do you know how to simulate an adjustable currentlimiting. So if someone with knowledge in ee and pspice could help me it would be. If you choose to enter the values directly, the pwl statement will be built from your values. Offline circuit simulation with tina tina design suite is a powerful yet affordable circuit simulator and pcb design software package for analyzing, designing, and real time testing of analog, digital, ibis, hdl, mcu, and mixed electronic circuits and their pcb layouts. Pspice model library includes parameterized models such as bjts, jfets, mosfets, igbts, scrs, discretes, operational amplifiers, optocouplers, regulators, and pwm controllers from various ic vendors. Pspice the node voltage at time t0 in the transient analysis. Tina analog, digital, mcu and mixed circuit simulator.
Insert the symbol for the voltagecontrolled switch in your schematic press f2 and type. A quick guide for pspice university of mississippi. Here you can see an example where someone actually displayed the current as well. Droid tesla pro for android free download and software. Current dependent voltage source in ltspice youtube. For any currentcontrolled dependent source, a dummy voltage is needed in series with the source so pspice can determine the current through the source. Ic is sometimes used to help the circuit easily converge assuming you know the final value or to set initial capacitor voltages.
Firstly, i considered i o as a 1a dc current source in pspice. As discussed in class there are four types of dependent sources, two are voltage sources and two are current sources. To add a pwl function to a voltage or current source. 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. Adding a current dependent voltage source to ltspice. To point the current up, select a source, rightclick on it, and select. If you copy and paste, you will need to change the labels manually. Cir input file is to draw the schematic figure of the circuit to be tested. This allows you to make a plot of a voltage or current in the circuit as a function of. My only real use would be to design circuits from my homework and simulate them to verify that my byhand solutions are correct. Linear this is so you can sweep through a range of values 6 fill in the start, end, and increment values.
Close the library selection window and we will begin the construction of the following circuit. Nov 26, 2014 letter element r resistor c capacitor l inductor k mutual inductor v independent voltage source i independent current source m mosfet d diode q bipolar transistor w lossy transmission line x subcircuit e voltage controlled voltage source g voltage controlled current source h current controlled voltage source f current controlled current source. Diode q bipolar transistor w lossy transmission line x subcircuit e voltagecontrolled voltage source g voltagecontrolled current source h currentcontrolled voltage source f currentcontrolled current source 6. This tutorial introduces the dependent source elements in pspice. Figure 1 above shows an example of a circuit with a. 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. This circuit works as a current controlled source to produce the linear part whose current is limited by a passive current limiter formed by vcc and rc. Pspice by cadence design systems, inc is a native analog and mixedsignal circuit simulator. Part attributes dialog box, the independent source setup dialog. Apr 26, 2019 pspice is not available for mac but there are some alternatives that runs on macos with similar functionality. I got as far as extracting the files within my downloads folder using the unarchiver, but im not sure what to do. Does any one have an idea on how i would go about designing the current controlled source in pspice. Altz saves the current plot options, exits topview and returns to the editor screen. Create a basic dc circuit with a current dependent voltage and current source.
1083 1378 5 79 1309 238 354 558 860 818 885 1239 249 557 1525 841 243 915 679 1304 176 1213 1289 1408 1061 405 1426 1165 15 1056 1385 28 384 1128 331