Then, click the "out" node name to add V(out) to the Outputs list:Ĭlick Run DC Sweep. Set Parameter to "V1.DCOffset", and choose a Start of -1, End of 1, and Step of 10m. Click Simulate at the bottom of the window, then click to open the DC Sweep tab: Great! Now that our circuit is wired, let’s simulate it. Double-click to label them "in" and "out": Press N and click to add a node name at the input, and press N again to add another at the output. Press G and click to insert a ground node at its negative terminal:Ĭlick and drag from element endpoints to wire up the circuit as shown: Press G and click to insert a ground node near the op-amp's non-inverting input:Ĭlear the toolbox search and drag a Voltage Function Generator to the schematic. Then drag a 10k resistor to the schematic, pressing R to rotate it: Press / (forward slash) to begin a toolbox search, and type "10k". Then drag a 1k resistor to the schematic, pressing R to rotate it: Press / (forward slash) to begin a toolbox search, and type "1k". The simpler "without" version simulates faster if you're not concerned with limiting the range of output excursion.Ĭlick and drag the plain Op-Amp to the schematic. There are two op-amp models in CircuitLab, one with and one without voltage rails. Press / (forward slash) to begin a toolbox search, and type "op": Scroll through the screenshots below to learn how to analyze op-amp circuits at DC, in the time domain, and in the frequency domain.
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