(If you don’t see a toolbar with 9 blue buttons, right click any of the toolbars and check that “Virtual” is on.) Click on the “Basic” group (with a resistor icon) and choose “Place Virtual Resistor” (notice that you could have found the capacitor in the same place). Metric prefixes (or their one-letter abbreviations) can be typed in the box along with the number.įor the resistor let’s use the Virtual Toolbar (shown below) to quicken the process. You can either select the correct valued capacitor from the list or place one and double-click it and modify the value. The ground is one of the most important components in every Multisim circuit: the mathematics of SPICE requires every circuit have a power source and a ground, or else nothing will work! Next find the capacitor, in the “Basic” group. Now place the ground (hint: look in the “Power Sources” family). Rotate components with Ctrl+R flip them with Alt+X and Alt+Y. Components, and the associated labels, can be dragged after placement. Choose an appropriate spot and click to place the component. A ghost component is now pinned to the cursor. The AC source is in the “Sources” group (top left), “Signal Voltage Sources” family and is called “AC Voltage” select it and click on OK. There are a few ways: Place -> Components ( Ctrl + W) or right-click a blank spot and go to Place Component. Create a new file with File-> New-> Design.įirst we need to find the components. Open Multisim by clicking on Start -> Programs -> National Instruments -> Circuit Design Suite 11.0 -> Multisim 11.0. Let’s try the following RC high-pass filter: You do not need this but you can use it if you want for any final work. Note: There is a Printed Circuit Board (PCB) program called Ultiboard 11.0 for permanent Board work available. You will learn to draw and test circuits in Multisim. Almost any circuit can be modeled in Multisim, and the model can be tested using Multisim’s virtual lab bench which includes oscilloscopes, function generators, etc. SPICE itself is extremely difficult to learn and use, so programs such as Multisim provide an intuitive front end for the powerful SPICE engine. SPICE is the industry standard circuit simulation engine, developed here at Berkeley. Multisim is a circuit simulator powered by SPICE.

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