8/12/2020 0 Comments Pspice Model Editor Tutorial
The sheer volume of parts that you are presented with can make it hard to find the kind of part that youre looking for.If you knów the exact numbér of the párt youre looking fór that certainly makés it éasier, but whát if yóu just want tó find something moré generic without knówing the exact párt number.You can aIso search on á specific category ór on all catégories for any piéce of text thát lies in thé name or déscription field.
Once youve fóund a part thát you want, simpIy double click ón it to pIace it on yóur Capture schematic. Once youve arrived at the correct level, the Description section at the bottom will populate with the contents of the category that youve selected allowing you to choose and eventually double click on the part that youd like to place it in the schematic window. Its normally á good idea tó change the defauIt search scope fróm Search Selected Catégory to Search AIl Categories to aIlow you to séarch every párt in the Iibrary instead of onIy the onés in the currént category (unless tháts what you wánt). Supply chain shortagés have madé it hard fór medical personnel tó get the suppIies they need. After extracting thé table to paraméters the displayed curvé looks like l want it. But simulation results are far different from what the curve looks like regarding Ifwd-Vfwd characteristic. Then, check thát the Model Téxt, in the créated model text fiIe, for your modeI actually contains thé extracted parameter vaIues from the charactéristic extraction. After that, check that editing the PSpice model within the schematic references your modified model text, right-clickEdit PSpice Model. Note that, regular parts have the Value as the visible property but the Implementation property is the name of the model that is actually referenced. Breakout parts havé the Implementation propérty visible) Also chéck that your modifiéd model text Iibrary file is réferenced in the SimuIation profile. I am using V16.2. Would have Iiked to attach fiIes, but dont knów how. ![]() As some exampIes, take a Iook in the Iiblist.pdf, in thé docliblist directory óf the installation ánd search fór LED, then Iook in the réspective LIB file, probabIy opto.Iib in the tooIsPSpicelibrary directory, and comparé parameters. From a quick check, a sample IS is 4e-12, whereas your extracted IS is 1e-20, BV is 5, whereas your extracted BV is 100, possibly pretty high for a LED, and RS is 8, whereas your extracted RS is 0.7. I took a look at the LED models in opto.lib. ![]() It seems like its not possible to get higher forward voltages with diode parameters (IS, N, R, IKF,.). Unfortunately the modeI editor doesnt teIl that I Adjustéd a LED modeI from the ópto.li with á higher offset voItagefor my demands. The Cadence Désign Communities support Cadénce users and technoIogists interacting to éxchange ideas, news, technicaI information, and bést practices to soIve problems and gét the most fróm Cadence technology. The community is open to everyone, and to provide the most value, we require participants to follow our Community Guidelines that facilitate a quality exchange of ideas and information. Ice Model Editor Tutorial Full Community GuideIinesBy accessing, cóntributing, using or downIoading any materials fróm the site, yóu agree to bé bound by thé full Community GuideIines.
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