5 reasons to use PartQuest Explore

16 June 2014

1. PartQuest Explore gives you a single environment where you can model and simulate complete systems

Imagine – a single environment where you can model analog, digital, and power electronics, transfer functions and math-based blocks, sensors and actuators, and physical environments. Pick symbols from a rich selection of elements, drop them onto a diagram, wire them together, and simulate the multi-discipline performance of the system.

SystemVision is powered by a formidable Mentor simulation engine, proven in the crucible of the most demanding design work on the planet. This time-tested engine, now available on the cloud, provides you with unprecedented modeling and simulation capabilities.

Unlike traditional circuit simulation tools, which provide a limited set of base models, or popular block diagram tools, which can only handle transfer function modeling, SystemVision makes it trivially easy to combine any mix of electronic model (analog, digital, power, etc.) with conceptual models (transfer functions or math-based blocks), sensors and actuators (such as motion control sensors, motors, solenoids, etc.), and models of the real-world context (such as the dynamics of a mechanical load). With this rich set of capabilities, a full closed-loop system can be designed, starting with transfer function blocks and then verified as a hardware implementation, all in a single environment.

2. PartQuest Explore makes it really easy to get a component model

Everyone likes the idea of using simulation – why suffer the costs and delays to build a system when you don’t yet know if it’s going to work? Simulation makes it cheap and easy to iterate, improve the design quickly, and make your mistakes in private. But the biggest barrier to simulation is models.

With PartQuest Explore, you have access to a powerful simulation engine that is built around a comprehensive, standardized (IEEE/IEC) modeling language – VHDL-AMS. Most other tools are limited to a predefined set of models that seriously limit what you can do. The VHDL-AMS language makes it possible for a large range of models to be readily available:

  • A generous pre-defined library provided out-of-the-box with SystemVision
  • Component models that are automatically created by filling out a datasheet
  • Models that you create or Import directly using VHDL-AMS model code
  • Models from special component suppliers, such as Triad Semiconductor

Whether you use one of the hundreds of pre-defined models in our library, create a new model from a datasheet, create one from "first principles" of the underlying technology, or leverage a model from one of our partner suppliers, you will be able to find the models that you need to make simulation effective and practical.

3. PartQuest Explore provides a simple environment for sharing models and designs with the rest of the community

The world has changed. Everything is moving faster and faster. Lifelong learning is a required skill. You don’t have the luxury of starting with a clean sheet of paper on each project. PartQuest Explore is a place where you can go to leverage the work of your peers, add value, and share what you have learned. It’s a place where you can find multi-discipline designs of all types as well as the components that comprise these designs. You can dig into these designs and really understand how they work, which is always the first step to the next innovation. With PartQuest Explore, everything is modeled using industry standards so everything that you find can be simulated. SystemVision sponsors design and model source code sharing. This promotes a natural, community-driven growth of functionality, with the healthy feedback that comes from open-source collaboration.

PartQuest Explore is a place where you can share your expertise and make connections with the people who are smart enough to appreciate what you have done. As the community responds to your work, you get feedback on how you are doing and encouragement to go to the next level. Design and model ratings, provided by the community, tell you whose work you should follow and leverage.

4. SystemVision is entirely online

All you need to use PartQuest Explore is a web browser. Everything that you need is on the cloud – schematic tools, simulation engines, waveform viewers, and a place to store your work. No need to fuss with installing software, managing licenses, and keeping everything up-to-date. You can access your work from anywhere at any time. It is trivially easy for you to leverage the work of others and to share your ideas with colleagues.

5. SystemVision is free

PartQuest Explore sponsors education, teamwork, and innovation with a commitment to free access for students, educators, and self-learners. This isn’t limited to organized education and institutions. We think that individuals at every stage of life or employment want to have a place where they can go to learn and find tools that help them to express ideas. PartQuest Explore is such a place. We will also offer subscriptions, to help pay the bills, but if you are willing to share, so are we.

In reply to by anonymous_stub


In reply to by anonymous_stub


Can I use VHDL-AMS model with SPICE component?

please advice.



In reply to by anonymous_stub

Hi Muayad,

Have you discovered our datasheet modeling tools?  This lets you choose a part type and simply specify functional and rating information that is commonly available on a datasheet.

You can find these by clicking on "Create New Component" on the upper left of the schematic that you are editing.

What kind of components are you most interested in?  Do you have a particular vendor's parts that you are interested in?


In reply to by anonymous_stub

For analog microelectronics courses, scalable MOS models are highly needed. When will they be added? 

In reply to by anonymous_stub

For analog microelectronics courses, scalable MOS models are highly needed. When will they be added? 

In reply to by anonymous_stub

I am sorry to ask this question, but I've been burned before. At this time Systemvision is a wonderful system and it is free, so I would like to use it in the classroom (I'm teaching electronics to physics majors). I used another free online system before, only to discover, after investing significant time in it, that it became a paid service. I have full respect for the work and costs that go into providing a quality online service, but I have the constraint of using a free product, that stays free in time, and I would like to know for sure and ahead of time what are the perspectives. 

In the case of systemvision, I really appreciate the backing of a giant of the field like Mentor Graphics, but the terms of service are a bit scary, stating that MG can basically do whatever they want from sunset to dawn. 

I don't know if you can somehow reinforce my confidence in the system and give me enough reassurance to move to systemvision and start using it.

Thanks, Francesco

In reply to by anonymous_stub

Hi Francesco,

Thanks for your question. I know that others share this sensitivity, having been disappointed by having the rug pulled out from under them.  Please let me assure you that the free features of this site will stay free.

Our business model is the well-known "Freemium" model -- to provide compelling free access to a product, on an ongoing basis, and then to add premium features, as a paid subscription/cost-option, that will be an attractive upgrade to some portion of the user base.  In this model free capabilities stay free.  In many examples of this model, the free features available actually increase over time.

Contrast this with an "evaluation and buy" model, where tools are provided for a time period and then continued use is restricted or blocked unless the product is purchased.  This is NOT what we are offering with SystemVision Cloud.

 Mentor Graphics is also committed to engagement with universities.  Please see https://www.mentor.com/company/higher_ed/ for more information.  Your university may already be participating in one of our programs.  These programs make commercial versions of Mentor Graphics software available to universities with very attractive offers.

We have some ideas for making SystemVision even more useful to university environments than it already is.  Your input would be highly appreciated.


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