RS Components has released Version 3 of DesignSpark PCB, the company’s free professional standard PCB design software, which is widely used by professional designers, hobbyists and students. The latest version of DesignSpark PCB provides extra functionality and enables the PCB design software to be used with Spice simulation tools from several major manufacturers. In addition to the tool’s new simulation interface, Version 3 includes enhancements such as component and circuit element grouping, and design calculators, which model circuit performance characteristics.