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World’s Best RF & Microwave Simulation Models
High Frequency Electronoics MVP

Our target audience includes engineers, managers, educators and other technical personnel involved in the design and development of products and technologies at high frequencies and high speeds. Our coverage of this area of engineering includes all possible applications, which can change rapidly as new, creative ideas are developed into products

Start your next design with the most accurate and well documented RF, Microwave and mm-Wave Simulation models in the industry! Modelithics passive and active, measurement-based simulation models integrate seamlessly with the latest electronic design automation (EDA) simulation tools, including Keysight Technologies’ Advanced Design System (ADS), NI AWR Design Environment/Microwave Office™, Keysight Technologies’ Genesys, ANSYS® HFSS™, Sonnet® and Cadence.

Modelithics high accuracy models capture parasitic effects and reliably predict how component performance changes with various scalable input parameters over a specified frequency range. The scaling and optimization features provide advanced analysis capability and allow RF circuit designers to quickly meet design goals. Visit the products page for more information on the advantages of Modelithics models. Our goal is to help you achieve first pass design success!

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Published Articles

  Title Author Date Example File
An Efficient and Accurate High-Frequency Diplexer, Duplexer, Triplexer, and N-Plexer Design Flow Jeff Kahler 11/26/2019
Using High Accuracy Models to Achieve First Pass Design Success - A Transmitter Case Study: Part 2, Power Amplifier Design Ted Longshore and Larry Dunleavy 9/1/2017
Using Component Models to Achieve First Pass Success - A Transmitter Case Study: Part 1, Harmonic Filter Design Ted Longshore and Larry Dunleavy 8/1/2017
Everyone Wants Better Models. But Where’s the ROI? Larry Dunleavy 3/20/2017
A Simulation-Based Design Flow for Broadband GaN Power Amplifier Design Ivan Boshnakov, Malcolm Edwards, Larry Dunleavy, Isabella Delgado 3/18/2016
Achieving First Pass Success In PCB-based Filter And Matching Circuit Designs, S. Muir, L. Dunleavy And T. Weller as seen in High Frequency Electronics, Jan. 2015 1/31/2015
Evaluating *X-parameter, P2D and S2D Models for Characterizing Nonlinear Behavior in Active Devices Jiang Liu and Hugo Morales, Modelithics Inc.; Lawrence P. Dunleavy, Modelithics Inc. and University of South Florida; and Loren Betts, Agilent Technologies 11/1/2011
Design and Optimization of Lumped Element Hybrid Couplers Ashok Srinivas Vijayaraghavan, University of South Florida and Lawrence Dunleavy, Modelithics, Inc. 8/1/2011
Performing EM/Circuit Co-Simulation with Modified Standard Models Luis M. Ledezma, Thomas M. Weller 11/1/2010
Noise Parameter Measurement Verification by Means of Benchmark Transistors Cesar A. Morales-Silva, Lawrence Dunleavy, Rick Connick 2/1/2009
Non-Linear Simulation of RFIC Amplifier Reference Design Boards Hetvi Patel, Thomas Weller, Rick Connick and Lawrence Dunleavy 5/1/2008
Understanding Base Biasing Influence on Large Signal Behavior in HBTs Modelithics, Inc. 5/1/2007
Accurate Models Simplify Reference Designs for RFIC Amplifiers John Capwell, Bill Clausen, Tom Weller and Larry Dunleavy 11/1/2005
New LDMOS Model Delivers Powerful Transistor Library— Part 2: Library Applications S. Wood and R. Pengelly, Cree Microwave, Inc., and L. Dunleavy, W. Clausen, T. Weller and L. Emmadi, Modelithics, Inc. 11/1/2004
New LDMOS Model Delivers Powerful Transistor Library— Part 1: The CMC Model S. Wood and R. Pengelly, Cree Microwave, Inc., and L. Dunleavy, W. Clausen, T. Weller and L. Emmadi, Modelithics, Inc 10/1/2004
Accurate Simulation of RF Designs Requires Consistent Modeling Techniques D. Markell, J. Capwell, T. Weller and L. Dunleavy, 9/1/2002