Designer Resources

The following links represent component and IC manufacturers and other companies with whom Modelithics works closely to provide top-quality models for RF/microwave design.

If you are a supplier of RF/Microwave devices, please contact us about joining our Modelithics Vendor Partner (MVP) program, and having your company linked below, by sending an inquiry to .

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Sonnet Software

Sonnet Software has been developing 3D planar EM software since 1983. Their software has earned a solid reputation for the accuracy of its commercial planar EM analysis package for single and multilayer planar circuits and antennas. Sonnet Software Inc., founded by Dr. Rautio, is a private company, dedicated completely to the development of commercial EM software. Sonnet takes great pride in providing quality technical support for its products—something of high importance for highend technical software products.

State of the Art

State of the Art, Inc. (SOTA) offers the industry’s most comprehensive line of high reliability chip resistors and has earned a worldwide reputation as a leader in thick and thin film technologies. In the high frequency market, SOTA offers termination resistors, attenuators (T, Pi, and Coplanar), and high performance resistors on fused silica, alumina, and aluminum nitride. Modelithics currently provides models for some of our high frequency components. For a catalog of SOTA components, visit or call 1-800-458-3401. MVP page > >