The circuit will now appear as in Figure 1. Now, we must start to add Resistor and Source components. But, this time, click on Part. This will bring up a Place Part dialog box.
You will need to perform this only once, in the future, the Libraries will appear by default. We need to add the following Libraries: analog. Now, we can add a Resistor to our circuit.
This will bring up a list of parts in the Part List box. Now, scroll down to R or type 'R' in the Part field and click on this. You should see the dialog box of Figure 1. Click the OK button to select this and then you are ready to Place this part. Proceed to place this part as shown in Figure At this stage you will add a Voltage Source. So, proceed to the Place Part menu to bring up the Place Part dialog.
Now, upon clicking OK, we are ready to place this source. Do the same to the another Voltage Source. You also will need to put more resistors to your design. Change default values of resistors R4 and R5 by double-clicking on the resistor values. Wire them as shown in Figure 1. We now want to change settings of the POT. So, double-click on the Part. This will bring up the Property Editor, as shown in Figure Complete the rest of the circuit.
The last part of your design ia a power supply for the LM Op-Amp. Place two of them into design, change values to 12Vdc. From the Place Net Alias button in the Place menu, name the battery ends and the ends of Op-Amp's power terminals as shown on the next figure. If the names of two wires the same then they connected together. This is another way to connect components. Now, with our circuit complete, we are ready to start a Simulation.
First, you need to choose a place or places where PSpace will look for results. Proceed to the Simulation menu and click on the New Simulation Profile button, type a simulation name and press Create. Introduction to PSPICE software PSPICE is an analog simulator usually known as a general purpose simulator which is used to design the circuit to and test it before moving to hardware part in order to test the behavior of the circuit.
You can get it for free online. Refer to the figure below, Figure 2: Electronic lab When you click on this link a page will open giving the description of the software you are going to download. At the very end of this page you will find the file needed to be download which is no more than a few Mbs of size. Click on the file to be downloaded as shown in the figure below, and the download will start.
Figure 3: Downloading file After the download is complete go to the downloads or to the folder where you save the downloaded folder and a file named 91pspstu will be present there. Double click on that file, and it will ask you whether you want to unzip the file or not, and also it will ask where would you like to unzip the file, as shown in the figure below, Figure 4: Unziping the folder Before that go to the C folder and create a new folder there and name it pspice, this is done so that the pspice extracted files do not merger with the already existing C files and have a separate distinction in a separate folder.
As shown in the figure above in the tab named Unzip to folder paste the address of the folder you created in the C drive and click on Unzip. This will extract all the files available in the downloaded file to the new folder you created in the C drive.
There will be a total of 18 files in the extracted folder if they are less you downloaded file is not correct file. Allow the setup in order to begin with the installation part. An FDTD code is used to compute the excitation fields of the lines. Additional voltage sources, which denote the effect of the excitation fields, are computed with the results obtained by the FDTD method and incorporated into a SPICE model. The hybrid method can be used for nonlinear or time-varying loads, because the SPICE model allows easy incorporation of nonlinear or time-varying loads.
Three cases, two transmission lines and a network, all inside a cavity excited by an incident electromagnetic field, are computed by using the presented method.
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