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Design Examples

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These downloadable projects demonstrate real-world circuit designs, simulation workflows, and design methodologies across RF, microwave, and mmWave applications. These examples are as a starting point for new designs, explore proven design techniques, shorten development cycles, and gain greater confidence in simulation accuracy and first-pass design success.

Type Title Author Date Example Files
Application Note Trimmer-Based Tunable Filter Design Using Cadence AWR Design Environment and Modelithics Models Modelithics, Inc. 09/26/2025
Published Articles Predicting Resonant Behavior of Surface-Mount Capacitors Chris DeMartino and Larry Dunleavy 09/25/2025
Blog Taking Advantage of Discrete Optimization Modelithics, Inc. 08/20/2025
Application Note PIN Diode T/R Switch Design Using Cadence AWR Design Environment and Modelithics Models Modelithics, Inc. 06/12/2025
Blog mmWave Amplifier Model Adapts to Many Tasks Modelithics, Inc. 05/01/2025
Application Note Diode-Detector Design Using Cadence AWR Design Environment and Modelithics Models Modelithics, Inc. 01/03/2025
Application Note Designing a Cauer-Chebyshev (Elliptic) Bandpass Filter with Keysight PathWave RF Synthesis (Genesys) and Modelithics Models Modelithics, Inc. 12/04/2024
Application Note The Insertion-Loss Method of Filter Design Using Keysight PathWave Advanced Design System (ADS) and Modelithics Models Modelithics, Inc. 09/24/2024
Application Note A Complete Filter Design Flow with Ansys NuHertz FilterSolutions and Modelithics Models Modelithics, Inc 07/15/2024
Application Note LNA Design Using Keysight PathWave Advanced Design System (ADS) and Modelithics Models Modelithics, Inc 05/13/2024
Published Articles MWJ_Capitalize on 3D EM Simulations with 3D Models Chris DeMartino, Modelithics Inc., Tampa, Fl 04/24/2024
Application Note High-Current Bias Tee Design Using Cadence AWR Design Environment and Modelithics Models Modelithics, Inc. 03/15/2024
Application Note PIN Diode Attenuator Design Using Cadence AWR Design Environment and Modelithics Models Modelithics, Inc. 03/12/2024
Application Note Varactor-Based Tunable Filter Design Using Keysight PathWave Advanced Design System (ADS) and Modelithics Models Modelithics, Inc. 08/24/2023 ADS Example
Application Note Varactor-Based Tunable Filter Design Using Cadence® AWR Design Environment® and Modelithics Models Modelithics, Inc. 08/24/2023 AWR/MWO Example
Application Note Diode-Detector Design Using Keysight PathWave Advanced Design System (ADS) and Modelithics Models Modelithics, Inc. 06/01/2023 ADS Example
Published Articles Accurate Simulation Models Enable First-Pass LNA Design Modelithics, Inc. 05/15/2023
White Papers Accurate Models for Ultra-Broadband Capacitors Modelithics, Inc. 12/16/2022
Video Modelithics Short Waves: Orientation Selectability within the Modelithics Capacitor Models Modelithics, Inc. 11/02/2022
Application Note Utilizing the Tolerance Parameter of Modelithics Models for Monte Carlo and Yield Simulations in Keysight PathWave RF Synthesis (Genesys) Modelithics, Inc. 07/11/2022 Genesys Example
Application Note Comparing Planar EM/Circuit Co-Simulation with 3D EM Simulation for Designs with Closely Spaced Surface-Mount Components Modelithics, Inc. 05/23/2022 HFSS Example
Published Articles Take Advantage of 3D EM Simulation for Densely Packed Designs Modelithics, Inc. 05/02/2022
Application Note EM/Circuit Co-Simulation Using Modelithics Models in Keysight Technologies’ PathWave RF Synthesis (Genesys) Modelithics, Inc. 04/14/2022 Genesys Example
Blog Are 3D EM Models a Necessity or a Redundancy? Modelithics, Inc. 03/23/2022
Application Note Performing ESR Simulations of Modelithics Microwave Global Models in Keysight PathWave Advanced Design System (ADS) Modelithics, Inc. 03/18/2022 ADS Example
Blog Modelithics Model Improvements in Keysight PathWave RF Synthesis (Genesys) Modelithics, Inc. 02/21/2022
Blog EM/Circuit Co-Simulation Made Easy and Accurate with Keysight RFPro and Modelithics Models Modelithics, Inc. 01/17/2022
Video Modelithics Short Waves: Utilizing the Tolerance Parameter in Keysight PathWave ADS Modelithics, Inc. 01/11/2022
Video Modelithics Short Waves: Discrete Optimization with Modelithics Models in Keysight PathWave ADS Modelithics, Inc. 01/11/2022
Video Modelithics Short Waves: Using Modelithics Models with RFPro in Keysight PathWave ADS Modelithics, Inc. 01/11/2022
Application Note Filter Design Flow in Ansys Electronics Desktop with Modelithics Substrate Scalable Models Modelithics, Inc. 12/06/2021 HFSS Example
Video Modelithics Short Waves: Optimized LNA Design Modelithics, Inc. 11/22/2021
Video Modelithics Deeper Dive: Using Modelithics Models with RFPro in Keysight PathWave ADS Modelithics, Inc. 11/22/2021
Video Modelithics Deeper Dive: Optimized LNA Design Modelithics, Inc. 08/23/2021
Application Note Using 3D Brick Models™ for Full-wave EM/Circuit Model Co-simulation of MLCC Capacitors in Ansys® HFSS™ Modelithics, Inc. 08/09/2021 HFSS Example
Application Note Using Modelithics Models with RFPro in Keysight PathWave ADS Modelithics, Inc. 07/27/2021 ADS Example
Published Articles Jump-Start EM/Circuit Co-Simulation with Keysight RFPro and Modelithics Models Dan Schwarz, Keysight Technologies and Chris DeMartino, Modelithics 07/21/2021
White Papers Designing mmWave Bias Tees with Accurate Component Models Modelithics, Inc. 05/21/2021
Press Release Modelithics® Releases the Modelithics Qorvo® GaN Library v21.4.5 Modelithics, Inc. 04/20/2021
Published Articles Model-Based Optimization Outperforms LNA Datasheet Specifications Modelithics, Inc. 04/16/2021
Application Note Utilizing the VPS Feature in Keysight PathWave RF Synthesis (Genesys) Modelithics, Inc. 04/09/2021 Genesys Example
Application Note Utilizing the Tolerance Parameter of Modelithics Models for Monte Carlo and Yield Simulations in Keysight ADS Modelithics, Inc. 04/05/2021 ADS Example
Application Note Utilizing Substrate Scalability of Modelithics Models in Keysight Genesys Modelithics, Inc. 03/26/2021 Genesys Example
Application Note Filter Design Flow in Cadence® AWR Design Environment® with Substrate Scalable Models Modelithics, Inc. 02/15/2021 AWR/MWO Example
Video Deeper Dive: Discrete Part-Value Optimization with Cadence® AWR Design Environment® and Modelithics Models Modelithics, Inc. 02/15/2021
Published Articles A Case Study in Successful First-Pass Filter Design Bill Weedon, Applied Radar, Inc. & Chris DeMartino, Modelithics 01/31/2021
Application Note A Filter Design Case Study with Nuhertz, Cadence® AWR Design Environment®, and Modelithics Models Modelithics, Inc. 01/25/2021 AWR/MWO Example
Application Note Filter Design Flow in Keysight ADS with Substrate Scalable Models Modelithics, Inc. 11/04/2020 ADS Example
Application Note Designing Bias Tees with Broadband Conical Inductor Models Modelithics, Inc. 10/14/2020 ADS Example
Application Note Utilizing Substrate Scalability of Modelithics Models in Cadence® AWR Design Environment® Modelithics, Inc. 09/18/2020 AWR/MWO Example
Application Note Utilizing Substrate Scalability of Modelithics Models in Keysight ADS Modelithics, Inc. 08/18/2020 ADS Example
Application Note Filter Design Using Discrete Part-Value Optimization in Cadence® AWR Design Environment® Modelithics, Inc 07/29/2020 AWR/MWO Example
Application Note Using Continuous and Discrete Part-Value Scalability of Modelithics CLR Models for Tuning and Optimizations in Keysight ADS Modelithics, Inc 06/29/2020 ADS Example
Application Note Using Continuous and Discrete Part-Value Scalability of Modelithics CLR Models for Tuning and Optimizations in Cadence® AWR Design Environment® Modelithics, Inc 06/29/2020 AWR/MWO Example
Presentation Designing with Modelithics Substrate-Scalable Models for Mini-Circuits LTCC Filters Dr. Larry Dunleavy 08/04/2017 ADS Example
Application Note Accelerating Designs With Modelithics Microwave Supermodels™ Modelithics, Inc. 01/18/2017 ADS Example
Application Note Using Modelithics Models within Sonnet Suites Modelithics, Inc. 05/05/2016 Sonnet Example
Video Substrate Scaling, Part Value Scaling, Tuning and Optimization with Modelithics Models Modelithics, Inc. 03/28/2016
Published Articles A Simulation-Based Design Flow for Broadband GaN Power Amplifier Design Ivan Boshnakov, Malcolm Edwards, Larry Dunleavy, Isabella Delgado 03/18/2016
Application Note Modelithics CLR Library in Ansys® HFSS™ Modelithics, Inc. 12/02/2015 HFSS Example
Application Note Analysis Of A 65 W Power Amplifier Utilizing Modelithics’ Qorvo T2G4005528-FS Model In NI/AWR Software Modelithics, Inc. 08/03/2015 AWR/MWO Example
Application Note A Design Flow for Rapid and Accurate Filter Prototyping Modelithics, Inc. 06/29/2015 AWR/MWO Example
Application Note AXIEM Co-Simulation with Modelithics Models Modelithics, Inc. 06/23/2015 AWR/MWO Example
Application Note Good, Better And Best: Techniques For Achieving First Pass Success In Lumped Element Pcb -Based Filter Designs Modelithics, Inc. 03/18/2015 ADS Example
Application Note Using Modelithics Models For Statistical Analysis In Ansys® HFSS™ environment Modelithics, Inc. 02/02/2015 HFSS Example
White Papers Understanding S-Parameter Vs. Equivalent Circuit-based Models For RLC Component Simulations In Keysight ADS And Genesys Modelithics: Scott Skidmore, Laura Levesque, And Scott Muir, Along With Jason Boh And How-siang of Keysight Technologies 12/04/2014
White Papers Understanding S-Parameter Vs Equivalent Circuit-based Models For RLC Component Simulations With NI/AWR Microwave Office Modelithics, Inc. 11/20/2014
Application Note Accounting For Substrate Thickness Tolerance In PCB Simulations Modelithics, Inc. 01/01/2014 ADS Example
Application Note Lumped Element Low-Pass Filter Design And Optimization Using Agilent Genesys Software Modelithics, Inc. 01/01/2014 Genesys Example
Application Note Large-Signal Ldmos Model Simulation Using Agilent Genesys Software Modelithics, Inc. 01/01/2014 Genesys Example
Application Note Ldmos Load-Pull Simulation Using Agilent Genesys Software Modelithics, Inc. 01/01/2014 Genesys Example
Application Note Non-Linear Reference Design Simulations Modelithics, Inc. 01/01/2014 ADS Example
Application Note Modelithics Substrate Library For AWR Microwave Office Adds Accuracy And Convenience To Board-Based Designs Modelithics, Inc. 01/01/2014 AWR/MWO Example
Application Note Modelithics Substrate Library For Genesys Adds Accuracy And Convenience To Board-Based Designs Modelithics, Inc. 01/01/2014 Genesys Example
Application Note Modelithics Substrate Library For Agilent’S Advanced Design System (ADS) Adds Accuracy And Convenience To Board-Based Designs Modelithics, Inc. 01/01/2014 ADS Example
Application Note Simulation Procedures For Successful Low Noise Amplifier Design Modelithics, Inc. 01/01/2014 ADS Example
Application Note Improved Microwave Circuit Design Flow Through Passive Model Yield And Sensitivity Analysis Modelithics, Inc. 01/01/2014 AWR/MWO Example
Application Note Recommendations For Port Setup When Using ADS Momentum And Modelithics Models Modelithics, Inc. 01/01/2014 ADS Example
Application Note Analysis Of A 30 W Power Amplifier Utilizing Modelithics’ Triquint T2G6003028-FS Model Modelithics, Inc. 01/01/2014 ADS Example
Presentation Use Nuhertz & Modelithics in AWR Simulations (PDF) Nuhertz 05/20/2013 AWR/MWO Example
Published Articles 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 11/01/2011
Published Articles Understanding P2D Nonlinear Models Dr. Lawrence P. Dunleavy, Dr. Jiang Liu 07/13/2007 ADS Example
Archived Model-based Power Amplifier Design wins IEEE Competition Modelithics, Inc. 12/01/2005
Published Articles The Use of Intermodulation Tables for Mixer Simulations Daniel Faria, Dr. Lawrence P. Dunleavy, Terje Svensen 04/01/2002

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