Pspice For Mac

Spice guide For translation in. Armenian click (courtesy of Kylie Wilson). Bulgarian click (courtesy of Cloudlakes.com). German click (courtesy of Philipp Egger, eggerphilipp3@gmail.com). Indonesian click (courtesy of Chameleon.John.com). Portugese click (courtesy of Artur Weber and Adelina Domingos). Romanian click here (courtesy of Irina Vasilescu).

Pspice is not available for Mac but there are some alternatives that runs on macOS with similar functionality. The most popular Mac alternative is Small Circuit.

Swedish here(courtesy of Catherine Desroche). Punjabi here (courtesy of Bydiscountcodes).3. HOW TO GET STARTED WITH SPICE?

(for beginners) (URL: document will explain how to run Spice or HSpice. It does not explainthe Spice commands. This can be found earlier in this document under, in your textbook, or the Spice User'sGuide.In order to run Spice, you will have to go through the following steps:.Draw a schematic of the circuit (can be skipped).Create an input file.Run the program.Look at the output file and print the results3.1 Creating an Input File for Spice- ExampleWe will first explain how to use PSpice without a Schematic Editor (seefor how to use the Schematic Editor).a.

Draw a schematic of the circuit, number the nodes andlabel all elements. Note that the common node (ground) always has number'0'.A sample circuit is given below.Figure 1We are interested in the voltages v12, v2 and the current i4 when the inputvoltage vin is equal to 10V. We also want to find the Thevenin equivalentvoltage and resistance seen by the terminals ab.In addition, we like to step the input voltage between 0 and 20 V insteps of 2V and print and plot v12, vo, v2 and i4 as a function of vin.Note that we inserted a DC voltage source, VMEAS, of zero value, inorder to be able to measure the current i4.b.

Create the input file (source file) for PSpice.The source file needs the extension (usually '.cir') in its name. For a descriptionof the data, control and output statement, refer to 'How to Specify the CircuitTopology' earlier in this document, the Spice manual or the textbook.Create the input file with any editor, such as Emacs, Microsoft editor,Word perfect, NotePad under windows, etc. Save it on the c: drive or onyour disk on the a: drive. In case you store it on the c: drive, put itin a subdirectory (ex.

C:usersfilename.cir; the subdirectory is requiredfor the PSpice version that runs on the network in the PC labs and sitson the h: drive). Save the file as a textfile (when using a word processorsuch as MS Word).Example: c:usersexample1.cirEXAMPLE PSpice VIN 1 0 DC 10 F1 0 3 VMEAS 0.5 VMEAS 4 0 DC 0 R1 1 2 1K R2 2 3 10K R3 1 3 15K R4 2 4 40K R5 3 0 50K.OP.TF V(3,0) VIN.DC VIN 0 20 2.PRINT DC V(1,2) V(2,4) I(VMEAS).PLOT DC V(1,2) V(2,4).PLOT DC I(VMEAS).END Notes:1. The first line is a title line and can be anything. It cannot be omitted.2. The last line must be the.END statement.3. You can insert comment lines.

Anytime a line starts with an '.' , PSpiceignores the whole line. Using an '.' is also handy to block out a commandline.4. You can use upper or lower case letters.5. Don't forget to add a carriage return after the.END statement.

Run SpiceOnce you are in PSpice, pull down the File menu at the top ofthe screen and select 'Open '. The system prompts you for the nameof the file. Type in the file name of the circuit you have created before.As an example: c:usersexample1.cirA window will appear telling you that Spice program is running, or that thesimulation has been completed successfully, or that errors were detected. Clickon the 'OK' button.45. HSPICE 5.1 Running HSPICEYou can run HSPICE on Eniac (Sun Sparc), which is basically the same programas PSpice, except for the Schematic editor and Probe. The advantage ofusing HSpice on Eniac is that you can run it from your room through a modemconnection or over ResNet.

In addition, it comes with a user-friendly andpowerful graphical interface (gsi) provided you have access to an x-terminal.First, you have to create the input file that contains the data, controland output statements in the same way as is done for PSpice. The formatand commands are identical. You can create this input file with any editor.Once you have the input file, you can run HSpice by typing the followingcommand at the unix prompt,hspice inputfilenamein which inputfile is the name of your input file. The output will be displayedon the screen. You can also store the output of HSPice in an output file,as follows,hspice inputfile outputfileTo view the output file, use your favorite editor. The file can be printedas any other document:lpr -w80 outputfileNotice that HSpice does not give the DC voltages unless you have specifieda certain analysis type, such as for instance.TRAN, or.AC analysis (Spiceautomatically does a DC analysis before doing a transient or AC analysis).Thus, if you are only interested in the DC voltages in HSpice, you shouldspecify the.OP option, or the5.2 Special Features of HSPICEHSpice has many capabilities.

If you intend to use HSpice for IntegratedCircuits simulation you will need to make use of many of these. Pleaseconsult the MetaSoftware manual (available from the DSL, room 100M). Hereare a couple of these features.a.Mathematical expressions in HspiceHSPICE supports a few mathematical functions which can be used to conditionany output variable. The following general format should be used for allexpressions.print varname=PAR('sqrt(v3)')This instructs HSPICE to print the square root of the voltage 'v3' andassign it the variable name varname. The results can be found in the outputfile as well as gsi under the print'plot field.

Apart from square root,other useful functions such as log, sin and tan are supported. Consultthe HSPICE manual for a complete listing.b. Node Names.Instead of using node numbers, you can use node names in the input file.This makes the files much easier to read. The same names will appear inthe output file and the graphical display.5.3 Graphical Output: gsiIn case you have access to an x-window terminal the output can also beviewed graphically using the gsi program. In order to use the graphicaldisplay, you have to include the statement ' option post' in theinput file.

This will create a.sw# (for.sweep analysis) or a.tr# file(for transient analysis) which contains the simulation results in a formatthat can be interpreted by gsi.To run gsi, type ' gsi inputfilename'. All node voltages willbe saved for later display. In case you have a large circuit and don'tneed to look at all the nodes, you can reduce the size of the file by specifyingwhich node voltages to save.

This is done by the '. Option post probe',followed by the '.print nodenames' command. This last commandis identical to the one you use to specify what node voltages, or currentsyou want Spice to save.Here is an example of the input file, with the.option post commandfor gsi.example hspice with gsi vin input 0 dc 10 f1 0 output vmeas 0.5 vmeas 4 0 dc 0 r1 input 2 1k r2 2 output 10k r3 input 3 15k r4 2 4 40k r5 output 0 50k.tf output vin.dc vin 0 20 2.option post.print dc v(1,2) v(2,4) i(vmeas).plot dc v(1,2) v(2,4) i(vmeas).endTo see the graphical output, type gsi example1 (if on an x-windowterminal; if you are not familiar with x-windows consult CETS). The gsioutput is shown in the next figure.

After typing ' gsi', two windowswill open.The top one allows you to select what variables to display. After makingthe selection of the 'type' of variables (voltages, current, etc.) andthe 'curves' to be displayed, click on the 'Draw' button. The curves willbe shown on the second window (Graph window).You can select the number of panels by going to the 'Panels' menu andselecting the number of panels. There are several option and manipulationsyou can incorporate (see Features of gsi below).Features of gsiIn the Graph window you have a number of interesting options. The measurementmenu allows you to use cursors. To zoom in/out click on the rightmouse button and select one of the zoom commands.

Then with the left buttondraw a short line to indicate what you would like to zoom.To clear a panel, click on the right mouse button and select'Clear'.Printing can be done by going to the 'Print' menu. The printcommand will write the graphical output to a file (labeled as filename.gr#))which can then be printed later on (using the lpr command).Mathematical expressions can be plotted as well.

In the top window,you will see a small box called expression. You can type mathematicalexpressions such as additions, multiplications, square, etc. Of graphs.As an example lets calculate the power in a resistor (power = i(vmeas).v(2)).To display the expression, select expression in the 'Types' windowand 'power' in the 'Curves' window.

Next, click on the 'Draw' button.6. Most common mistakes.Typos in the source file: wrong node numbers, wrong units (ex. The valueof a capacitor of 12 picofarad, incorrectly specified as 12, instead of12p.).Confuse M for mega instead of MEG: a 5 megaohm resistor should be specifiedas 5MEG and not 5M. (M or m stands for milli).Typing the letter O instead for the number 0 (zero as in10).Omitting the final carriage return after the.END statement.7. If Spice does not run.1. First check that /cad/bin is in your path. If not, you should alterthe path to statement in your shell initialization file to include /cad/bin.).2.

To run hspice on eniac from an X-TERMINAL that runs on a computerdifferent from eniac (lets say hobo in the EE domain):.logon to hobo.ee (to which the display is connected) and type:xhost eniac.seas.upenn.edu.login to eniac and type:rsh eniac.seas.upenn.edu; once on eniac type:setenv DISPLAY hobo.ee:0.08. REFERENCES.SPICE, A Guide to Circuit Simulation and Analysis Using PSpice, 3rd Ed.,P. Tuinenga, Prentice Hall, Upper Saddle River, NJ, 1995. This book comeswith a IBM-PC 3.5 disk with the PSpice Student Version.Schematic Capture with MicroSim PSpice, 3rd Ed., Marc. Herniter, PrenticeHall, Upper Saddle River, N.J, 1998. This book comes with a CD that containsan evaluation version of PSpice.MicroSim PSpice with Circuit Analysis, 2nd Ed., F.

Monssen, Prentice Hall,Upper Saddle River, NJ, 1998.MicroSim PSpice for Windows, Vol. Goody, Prentice Hall,Upper Saddle River, NJ, 1998.Spice for Circuits and Electronics Using PSpice, 2nd ed., M. Rashid,Prentice Hall, Englewood Cliffs, NJ, 1995. This book comes with a tear-outcard to order a disk with the PSpice Student Version (available for bothPC and MAC).

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The cost for the disk is about $7.50-$15.50.Computer-Aided Circuit Analysis Using PSpice, 2nd Ed., W. Banzhaf, Prentice-Hall,Englewood Cliffs, NJ, 1992.Hands On PSpice,'J.G.

Gottling, Houghton Mifflin Co., MA, 1995.The Spice Book, A. Vladimirescu, John Wiley & Sons, New York, NY, 1994.Semiconductor Device Modeling with Spice, 2nd Ed., G. Massobrio and P.Antognetti, McGraw-Hill, NY, 1993.Mosfet Modeling with Spice, D. Foty, Prentice Hall, Upper Saddle River,NJ, 1997.Macromodeling with Spice, J.A. Choi, Prentice-Hall, EnglewoodCliffs, NJ, 1992.Inside SPICE, Overcoming the Obstacles of Circuit Simulation, R.

Kielkowski,MacGraw-Hill, Inc., New York, 1994.SPICE, Practical Device Modeling, R. Kielkowski, McGraw-Hill, Inc.,New York, 1995.Introduction to PSpice, A Supplement to Electric Circuits, 4th ed., byJ. Nilsson and Susan A.

Reidel, Addison-Wesley Publ. Company, Reading,MA, 1993.Spice, by G. Roberts and A. Sedra, Oxford University Press, 1997, 2nd Edition.HSPice Users' Manual, Meta-Software, Inc., Campbell, CA.PSpice Users' Guide, MicroSim Corporation, Irvine, CA.SPICE User's GuideJan Van der Spiegeljan@ee.upenn.eduCreated Sept.

30, 1995; Updated Dec.

. ngSpice is available for gEDA.

gnuCAP is also available for gEDA. LTSpice is free from Linear Technology.I thought that one of the other analog chip makers had a spice too but I can't rememberwho:(I have been to a few talks on simulation given by physicists and EEs who have donechip design. Each of the talks seems to end like this -. Except for simple circuits you will spend most of your time getting modelsand determining where the models need to be modified for your application. Unless you are doing work for an IC manufacturer the manufacturer will notgive you detailed models. You will not be able to avoid a prototype.

You should only simulate subsections of your design. Simulating the entiredesign is not usually practical.Also most of the free simulators are not distributed with models.

Re-distribution ofthe models is usually a copyright violation. LTspice is distributed with models ofthe Linear Tech parts. I am not sure the quality of the models. Most manufacturersdo not want to reveal too many details about their process. I found an excellent online written in Java, and its free-and-open-source. You can play with the software by visiting the link, and wait for the applet to pop-up. (you need the )Edit components and connections by right-clicking anywhere/on a component.

You can build entire circuits using this and simulate it visually to understand how the circuit works. (voltage is shown in green/red, simply amazing) If you start with one of the gate, (choose it from the Circuits menu), then you can click on gates or digital signals to switch them on/off, and see your circuit react.You can setup oscilloscope views on any connection too. (see bottom of the pic). $begingroup$ ngspice is based on Spice 3f5 while most commercial offerings used the Spice 2 code as a base.

This does not mean they are worse since the Spice 3 rewrite is not all roses. Back to the point: the most important difference is the change in specification of nonlinear components (POLYNOMIAL vs. Iomega lphd up3 driver for mac. Normal equation) which breaks many models and treating node names as strings (in the original Spice 2 they had to be numbers and were compared numerically 0 00). $endgroup$–Apr 1 '11 at 16:28.

There are a couple of heavy-duty packages and a lightweight program for Linux.The serious packages are. They are each a collection of programs that work well together (like Orcad); they include a schematic capture, a simulator, a waveform viewer, and a PCB layout tool. They are very sufficient except my professor requires the '.out' file generated by pspice, so I still have to use that.The lightweight program is. It's great for quick simulations. The libraries are quick and easy to use and find parts from.

The schematic capture is much easier to use and prettier than the other programs. It uses either gnucap or ngspice for the simulations, so they're pretty good. One major drawback that I have found is that the waveform viewer does not provide a logarithmic view and there's no way to get data out of it.