If you are looking for simulation software, you are probably thinking LTSpice or one of the open-source simulators like Ngspice (which drives Oregano and QUCs-S), or GNUCap. However, there is a new free option after the closing of Spectrum Software last year: Micro-Cap 12. You may be thinking: why use another closed-source simulator? Well, all the simulators have particular strengths, but Micro-Cap does have very nice features and used to retail for about $4,500. The simulator boasts a multipage schematic editor, native robust digital simulation, Monte Carlo analysis, 33,000 parts in its library, worst-case and smoke analysis, Smith charts, and it can even incorporate spreadsheets. Ive moved the Macspice link from Open Source to Commercial. There’s a built-in designer for active and passive filters. Hi, the article states The original SPICE program was released under a restrictive license. Have a look at the brochure and you will see this is a pretty serious piece of software. : Any method to fix it Please post your troublesome netlist and an accompanying session log. The number of models supported for active devices is impressive and includes some very recent MOSFET models, not just the old standard models. S Stuart Brorson 0 2 : Hi all, : POLY () sources constructions does not work from within ng-spice even : spice3f5. Gnucap alternatives are mainly Circuit Simulators but may also be Electronic Design Automation Tools. 0V DC sources are used, and the current through these zero volt sources is measured. The DC current divider circuit at the bottom of this webpage seems to be one method. Other great apps like Gnucap are McCAD 3SPICE, MacSpice and PrimeSim HSPICE. 3 How does one measure impedance/resistance using SPICE I have access to regular SPICE (MacSpice) and HSpice. The best alternative is Ngspice, which is both free and Open Source. It can also read just about any regular Spice or IBIS model. There are four alternatives to Gnucap for Mac, Windows and Linux. It can also export Spice files if you want to use another engine or share designs with other Spice users. There are also quite a few examples provided. There are also over 2,000 standard digital parts including all the usual 7400 families, CD4000 CMOS, and even ECL.Īs a bonus, we tried it under Wine and it worked well - at least the 32-bit version. 2.1 Introduction 2.2 Linear Network of Resistors and Sources 2. 1.1 Introduction 1.2 Install and Launch MacSpice 1.3 MacSpice Source Files 1.4 Circuit Elements 1.5 How Results are Stored 1.6 Interactive Commands 2. The 64-bit one would probably work with a little effort. MacSpice Tutorials Worksheets and Contents. On a big monitor, you might want to use Winecfg to set a higher DPI setting, although the toolbar icons are fixed in size which is a little inconvenient. You can, however, select “large toolbar” on the Options | Preference menu, which will help. One nice touch is that you can view a simulation and interactively change component values and watch the results update right away. We frequently use Spice when we are too lazy to do the math required to pick an optimal set of values.
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