The attached cursors can also be used to readout which trace belongs to which run of a .step/.dc/.temp set of simulation runs. You can navigate the cursor from dataset to dataset with the up/down keyboard cursor keys and then right-click on the cursor to see the step information for that run. Return to LTspice Annotated and Expanded Help* LTSpice Tips – Graphs When viewing a graph, you can attach a cursor to a trace by clicking on the trace’s name: Attaching a cursor to a trace allows you to see the exact value of the graph at the cursor point.  This is handy for finding -3 dB location, Vgs threshold, etc. In this article, we will explain in detail the DC transfer function analysis(.tf) method in LTspice. In DC transfer function analysis, in order to calculate the transfer function of small DC signals, the input and output are defined in the electronic circuit, and the output/input conversion ratio, input impedance, and output impedance are calculated. In this article, we will explain in detail the DC transfer function analysis(.tf) method in LTspice. In DC transfer function analysis, in order to calculate the transfer function of small DC signals, the input and output are defined in the electronic circuit, and the output/input conversion ratio, input impedance, and output impedance are calculated. LTspice: Annotating Schematic & Waverform Plots. by Gabino Alonso Adding informative comments to a schematic using text is very useful. However, there are times when adding a line, rectangle, circle or arc to a schematic can better illustrate a circuit. How to Simulate a Variable Resistor in LTSpice • Ensure LT Spice is completely Maximized • Create a circuit how you normally would, with normal resistors • Set the . value. of resistor that you want to be variable, to be {R} • Click on .op (far right on the toolbar) • Type: .step param R 1 10k 1k (steps from 1 to 10K in 1k increments) I have been plotting stepped data and I want to know if there is a way to control the colors chosen for a given step, and if there is a legend that I could have to show color red is step x, color green is step y, ect. if find the plots difficult to read and I hate the blue traces on black... Nov 03, 2019 · Now let’s see how to plot the forward characteristics of a diode using LTSpice. The first step is to draw the circuit diagram. The diagram should have a voltage source (Vext), a diode and a resistance. Jun 22, 2015 · This feature is not available right now. Please try again later. To graph values from the nodes in the LTSpice simulation (even while the simulation is running), make sure the circuit windows is active and hover the mouse over a node to get the voltage probe cursor or over hover over a device to get the ammeter cursor. voltage probe cursor comes up when mousing over an LTSpice circuit node. Nov 03, 2019 · Now let’s see how to plot the forward characteristics of a diode using LTSpice. The first step is to draw the circuit diagram. The diagram should have a voltage source (Vext), a diode and a resistance. Oct 26, 2011 · Thick Lines in LTSpice Ever wonder how to thicken up the lines in your schematic or simulations? Turns out this is really easy. 1. Open the control panel (tools menu ... LTspice: Parametric Plots. by Gabino Alonso. Plotting results in LTspice is as easy as clicking on a node to show voltage, or a component to show current—the trace is then displayed in the waveform viewer. In transient analysis, the horizontal axis defaults to showing time, but you can always change the horizontal axis to show other ... Mar 19, 2013 · Student created video WLU PC221 For more information about using LTspice, see the tutorial at http://denethor.wlu.ca/ltspice/index.shtml After simulation, the graph pane will appear at the top of the schematic with the default settings of LTspice. If you want to lay out the schematic editor and graph pane, see the following article, “Display the schematic editor and waveform graph side by side”. Dec 28, 2010 · If your graph in on a front panel with a bunch of other controls then the best way to do this is to create a separate subVI with just the graph on it. Format the colors the way you want it, and set the VI to print when run. Then, when you want to print the graph from you main panel you just call this subVI and send it the graph data. Nov 19, 2017 · LTSPICE - How to use cursors and read values from plots LTSpice, Reading values from plot After you have plotted a waveform, you can left-click on the waveform node-title label at the top of the graph window which will set a cursor cross-bar and with popup a new floating window with the cursor position information. Nov 19, 2017 · LTSPICE - How to use cursors and read values from plots LTSpice, Reading values from plot After you have plotted a waveform, you can left-click on the waveform node-title label at the top of the graph window which will set a cursor cross-bar and with popup a new floating window with the cursor position information. A brief demonstration of how to save schematics and waveform plots as image files for insertion into Word documents. Feb 24, 2014 · Simon Bramble - Field Applications Engineer Sometimes the frequency response of a circuit is more important than looking at the individual voltages or currents at a specific part of the schematic ... Microsoft nps radius session timeoutLTSpice: Plotting a Parameter Against Something Other Than Time (e.g. Resistance) by Gabino Alonso and Joseph Spencer. A common use for LTSpice ® is to run a time domain transient analysis where a parameter (e.g. voltage or current) can be plotted against time. Occasionally, you may wish to know the behavior of a circuit versus another ... Sep 26, 2017 · Maybe you're great at making plots in LTSpice (Lt. Spice), but when you print them they look crummy on a black background. This video will show you how to change the plot background color. Also ... After simulation, the graph pane will appear at the top of the schematic with the default settings of LTspice. If you want to lay out the schematic editor and graph pane, see the following article, “Display the schematic editor and waveform graph side by side”. i want to plot more than one graph on ltspice , the first one shows the voltage vout according to vin , and the second one the derivative of vout to vin , but it shows the two graphs on two different Oct 26, 2011 · Thick Lines in LTSpice Ever wonder how to thicken up the lines in your schematic or simulations? Turns out this is really easy. 1. Open the control panel (tools menu ... Hello all, When I run a simulation on LTSpice it generates a graph. By doing File->Export I can get the numerical values in a text file. However this doesn't help me much. For example I want to find the crossing point of Vout and Vin. I see they cross at some point in graph but can't tell... Nov 15, 2013 · This feature is not available right now. Please try again later. After simulation, the graph pane will appear at the top of the schematic with the default settings of LTspice. If you want to lay out the schematic editor and graph pane, see the following article, “Display the schematic editor and waveform graph side by side”. LTspice supports parametric sweeps trough the .step directive: .step param RLoad list 5 10 15 which performs three simulations with the global parameter RLoad being 5, 10 and 15. The simulation will return three results, which can be plotted in relation to time or frequency, depending on the type of analysis (transient or AC analysis). LTspice. LTspice ® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits. Included in the download of LTspice are macromodels for a majority of Analog Devices switching regulators, amplifiers, as well as a library of devices for general ... LTspice: Computing the Average or RMS Value of a Trace. by Gabino Alonso. The LTspice waveform viewer can integrate a trace to produce the average or RMS value over a given region. To integrate a trace in the waveform viewer: Zoom in to the region of interest. Hold down the control key and click the label of the trace you want to integrate. Haven't been able to find a simple way to measure phase and amplitude of waveforms in transient analysis. Simply trying to line up cursors seems a complete waste of time as I get massive errors, and resorting to .MEAS directives sees me wading through the help file time and time again In desperation I resorted to AC analysis as it gives you phase and magnitude but as I wanted values at only ... Nov 15, 2013 · This feature is not available right now. Please try again later. After simulation, the graph pane will appear at the top of the schematic with the default settings of LTspice. If you want to lay out the schematic editor and graph pane, see the following article, “Display the schematic editor and waveform graph side by side”. Sep 26, 2017 · Maybe you're great at making plots in LTSpice (Lt. Spice), but when you print them they look crummy on a black background. This video will show you how to change the plot background color. Also ... How to Manually Enter/Edit Functions in the LTspice WaveForm Viewer. The LTspice WaveForm Viewer is able to utilize a host of built in mathematical functions for plotting. The list is similar to those of the BI and BV arbitrary sources, but with a few differences. The documentation for the WaveForm Viewer built in to LTspice is quite good. LTspice. LTspice ® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits. Included in the download of LTspice are macromodels for a majority of Analog Devices switching regulators, amplifiers, as well as a library of devices for general ... LTspice supports parametric sweeps trough the .step directive: .step param RLoad list 5 10 15 which performs three simulations with the global parameter RLoad being 5, 10 and 15. The simulation will return three results, which can be plotted in relation to time or frequency, depending on the type of analysis (transient or AC analysis). Oct 26, 2011 · Thick Lines in LTSpice Ever wonder how to thicken up the lines in your schematic or simulations? Turns out this is really easy. 1. Open the control panel (tools menu ... i want to plot more than one graph on ltspice , the first one shows the voltage vout according to vin , and the second one the derivative of vout to vin , but it shows the two graphs on two different LTspice Tutorial: Part 1 The LTspice Tutorial below will take you through how to get started with LTspice ® , the free circuit simulation package from Linear Technology. To download LTspice, go to the Linear Technology Home Page and click on the LTspice Download icon. LTSpice: Plotting a Parameter Against Something Other Than Time (e.g. Resistance) by Gabino Alonso and Joseph Spencer. A common use for LTSpice ® is to run a time domain transient analysis where a parameter (e.g. voltage or current) can be plotted against time. Occasionally, you may wish to know the behavior of a circuit versus another ... LTspice: Parametric Plots. by Gabino Alonso. Plotting results in LTspice is as easy as clicking on a node to show voltage, or a component to show current—the trace is then displayed in the waveform viewer. In transient analysis, the horizontal axis defaults to showing time, but you can always change the horizontal axis to show other ... How to Simulate a Variable Resistor in LTSpice • Ensure LT Spice is completely Maximized • Create a circuit how you normally would, with normal resistors • Set the . value. of resistor that you want to be variable, to be {R} • Click on .op (far right on the toolbar) • Type: .step param R 1 10k 1k (steps from 1 to 10K in 1k increments) Jun 22, 2015 · This feature is not available right now. Please try again later. The waveform viewer is a function that displays the simulation results executed with LTspice as a graph. It is easy to understand if you imagine the measurement with an oscilloscope. For the types of analysis, please see the following article. \$\begingroup\$ The thing with ltspice is that it seems to internally run the simulation with all the commands, creating a .raw file with all the data, and then the gui takes over and you plot the stuff you want. Anyways you can make this thing a tiny bit quicker by hitting CTRL+A in the plot window, then copypasta your desired plot points ... The graph default color is black ,I want to change it into white,how to do it? I searched in labview forum but there's no satisfying answer.Who can help me?Thanks,Labview 7.0 Repeating hand crossbow pathfinderLTspice supports parametric sweeps trough the .step directive: .step param RLoad list 5 10 15 which performs three simulations with the global parameter RLoad being 5, 10 and 15. The simulation will return three results, which can be plotted in relation to time or frequency, depending on the type of analysis (transient or AC analysis). LTspice. LTspice ® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits. Included in the download of LTspice are macromodels for a majority of Analog Devices switching regulators, amplifiers, as well as a library of devices for general ... How to Manually Enter/Edit Functions in the LTspice WaveForm Viewer. The LTspice WaveForm Viewer is able to utilize a host of built in mathematical functions for plotting. The list is similar to those of the BI and BV arbitrary sources, but with a few differences. The documentation for the WaveForm Viewer built in to LTspice is quite good. Youtube model railroad weathering techniques