EPS (Electric Power Steering) System with Ideal PMSM and Drive
Three Phase Power System
LED Dimmer Circuit using 555 Timer
Solar Energy Harvesting - Compare Direct vs. MPPT Battery Charging
Step-Down (Buck) Converter
Cloud-Based Circuit Simulation Tool

Design

Simulate

Collaborate

PartQuestTM Explore is a complete design, modeling, simulation, and analysis environment for electronic and mechatronic circuits and systems. Full coverage for analog, digital, mixed-signal and multi-domain systems including electro-mechanical and electro-thermal. SPICE and VHDL-AMS models supported.

Login troubleshooting guide

Why do I see a 404 message when I try to log in?

If you clicked the Login button, entered your email address, and then received this response:

ds

It's likely because your profile data was not migrated to our new authentication service. However, any content you created on the site has been preserved.

To resolve this issue, click the Create Free Account button in the header menu, enter the same email address you used previously, and then follow the instructions. Once you log in, you should have access to all your site data.

Why do I see the RS DesignSpark login screen when I try to log into PartQuest Explore?

This can happen when you have an account with both PartQuest Explore as well as our partner, RS DesignSpark. In this case, it is possible that you will be redirected to RS DesignSpark's login screen when you click the Login button on the PartQuest Explore site:

ds

To resolve this, clear your browser's cookies and then click the Login button again.

If you don't want to clear all your cookies, your browser's settings might provide an option to manage data. If so, delete cookies from the following URLs:

  • partquest.com
  • siemens.com
Why can't I create or edit a design?

If you logged in, opened or created a design, and then saw the following login screen where the design should appear:

ds

Open your browser settings, navigate to a section titled Privacy and Security (or something similar), allow third-party cookies (also referred to as cross-site cookies), and then reload the design.

Some browsers allow you to block third-party cookies except for a list of URLs that you provide. If you want to use this option, add the following to the list of URLs allowed to use third-party cookies:

Please refer to the following browser-specific guides below for more details:

Chrome

Allow all third-party cookies:

ds

Allow only a list of URLs to set third-party cookies:

dsFirefox

Allow all cross-site cookies:

ds

Allow only a list of URLs to set cross-site cookies:

ds

Then click the Manage Exceptions button and add the following:

dsSafari

Under Privacy, uncheck "Prevent cross-site tracking":

ds

Then under Advanced -> Privacy, uncheck "Block all cookies":

ds

More FAQs
Powerful and scalable plans

Subscriptions

Public Designs

PartQuestTM Explore Community

Get started with circuit design, modeling and simulation.
Base functionality

PartQuestTM Explore Essentials

Circuit design, modeling, and simulation included with our most affordable PCB design solution, PADS Pro Essentials.
Boost your simulation power

PartQuestTM Explore Simulation Pack

For Community users needing to run long simulations.
Private design and collab

PartQuestTM Explore Standard

For engineers that want all the power and privacy of PartQuest Explore. Included with Xpedition Standard.
Community Essential Simulation Pack Standard
VHDL-AMS & SPICE simulation
Unlimited public designs
Parametric sweep
Unlimited private designs
Create and join private collaboration groups
Simulation server execution time Up to one minute each Up to one minute each Up to one hour each Up to one hour each
Community
VHDL-AMS & SPICE simulation
Unlimited public designs
Parametric sweep
Unlimited private designs
Create and join private collaboration groups
Simulation server execution time Up to one minute each
Essential
VHDL-AMS & SPICE simulation
Unlimited public designs
Parametric sweep
Unlimited private designs
Create and join private collaboration groups
Simulation server execution time Up to one minute each
Simulation Pack
VHDL-AMS & SPICE simulation
Unlimited public designs
Parametric sweep
Unlimited private designs
Create and join private collaboration groups
Simulation server execution time Up to one hour each
Standard
VHDL-AMS & SPICE simulation
Unlimited public designs
Parametric sweep
Unlimited private designs
Create and join private collaboration groups
Simulation server execution time Up to one hour each