Intusoft's Configurable Schematic Awarded U.S. Government Patent

San Pedro, CA (June 18, 2001) -- Lawrence Meares, president and founder of electronic design analysis software maker Intusoft (DAC Exhibitor, Booth 639) was awarded a U.S. government patent (No. US 6,230,305 B1) on May 8, 2001 for a configurable schematic. The invention is used within Intusoft's ICAP/4 Windows circuit simulation software.

The ICAP/4 Windows package features a SpiceNet schematic, the latest Berkeley SPICE-based simulator, IntuScope5 waveform analyzer, and uses the schematic, SpiceNet, to manage simulation data.

During the integrated circuit design process, different schematic diagrams are required. A design engineer may use a closed loop schematic during a development stage, while a production engineer may use a production schematic. A test engineer may create a number of schematics to test a circuit according to different sets of stimuli and load conditions. These schematics are associated with the same core circuit and often incorporate the same components, as well as unique elements.

The invention enables circuit designers to reuse configurations common to a circuit by saving them on multiple layers. It is significant since it helps integrated circuit designers save time and reduce costs by creating and testing new circuit designs more efficiently.

Established in 1985, Intusoft designs, develops and markets award-winning software applications and tools for analog and mixed-signal circuit design, analysis and test automation to electronics industries worldwide. Information on Intusoft and its products is available on the company's web site at


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