Introduction

Qorvo's engineering and applications teams have spent years crafting a suite of design tools aimed not just at enhancing our internal designs but also at supporting the broader engineering community. These invaluable resources, once exclusive to Qorvo's teams, are now accessible to engineers worldwide through the Design Hub on the Qorvo website. Our goal is to streamline the design process for your projects by providing tools that simplify complex challenges.

Qorvo offers a comprehensive collection of RF and analog design tools. Some tools are downloadable, and others are online, like our widely utilized PAE/PDISS/TJ online calculator. This online calculator helps customers ensure that their designs meet thermal requirements and maintain reliability. In this overview, we'll introduce you to four of our many tools, which include MatchCalc™, QSPICE^® simulator, and Modelithics® Qorvo Gallium Nitride (GaN) and Gallium Arsenide (GaAs) model library. Each tool serves a unique purpose and is designed to streamline specific aspects of RF microwave and analog design. Whether you're calculating impedance matches, simulating circuits, or navigating the complexities of GaN transistor models, our tools are here to guide you toward optimal design solutions efficiently and effectively. Let's explore how these tools can elevate your design process.

When should I use these calculators and modeling tools?

• MatchCalc: Use MatchCalc for precise impedance matching in RF designs, especially with S1P or S2P files. It is ideal for selecting component values, visualizing impedance, and efficiently analyzing loss/gain.
• QSPICE: QSPICE excels in high-accuracy analog and mixed-signal simulations by combining speed, accuracy, and a user-friendly interface for electronics design.
• Modelethics Qorvo GaN Library: The Modelithics Qorvo GaN and GaAs model library provides accurate models for designing and simulating RF microwave devices, supporting detailed high-frequency application analysis.

Further Details on Each Design Tool/Calculator/Model

MatchCalc: Your Ultimate RF Design Tool.

MatchCalc is a free online RF matching calculator capable of a multitude of functions. It is your gateway to efficient, precise, and optimized RF designs.

Qorvo's MatchCalc is an advanced RF matching calculator available for download, meticulously designed to suggest optimal component values for achieving the perfect impedance match using S1P or S2P files. Tailored to meet the needs of RF designers, MatchCalc streamlines the design process, ensuring compatibility with your system or reference impedance. Watch the MatchCalc Introduction Video.

Key Features of MatchCalc:

• Enhanced Visualization: Experience detailed insertion loss/gain analytics for both S2P and S1P files with our fast real-time display.
• Snapshot Capability: Freeze your plots at any moment with the snapshot feature, allowing for thorough, fast analysis.
• Dynamic Optimization: Engage in real-time tuning and optimization for precise adjustments and performance enhancements.
• Comprehensive Analysis Tools: Delve deep into return loss and impedance plots for both input and output ports, ensuring a thorough understanding of your design’s performance.
• Advanced Smith Chart Scaling: Utilize Smith Charts for an expanded view of your impedance-matching landscape.
• Detailed Reporting: Generate detailed match reports directly in Microsoft Word, providing a clear and professional overview of your results.
• Precision Plot Markers: Employ plot markers for pinpoint accuracy in your analysis and reporting.
• Thru Line Impedance Visualization: Clearly visualize input source and output load impedance using a thru line, enhancing your design’s accuracy.
• Embedded T-Line Calculator: This is a built-in tool that calculates the impedance and line length of a transmission line in either Microstrip or Stripling format.
• Build-in Tools & Examples: The software includes built-in tools and practical examples that guide you through real-world applications, helping you effectively utilize its features from the start.

 

 

<

 

 

 

Figure 1: MatchCalc calculator simulation tool.

 

For a deeper dive into all the functionalities and to optimize your use of MatchCalc, we invite you to explore our comprehensive MatchCalc tutorial.

QSPICE: The Future of Mixed-Signal Simulation by Qorvo

QSPICE is a revolutionary simulation software tool that redefines the standards for analog and mixed-signal design. QSPICE is engineered to empower analog designers, offering an unparalleled level of confidence in simulation outcomes. This tool is not only complimentary for commercial use but also elevates the foundational aspects of previous SPICE versions to new heights, ensuring an unmatched blend of speed, accuracy, and reliability in simulations. Watch the QSPICE Introduction Video.

Key Features of QSPICE:

• Enhanced SPICE Fundamentals: QSPICE brings significant advancements in simulation speed, functionality, accuracy, and dependability, setting a new benchmark for SPICE simulators.
• Robust digital logic handling: Effortlessly manage extensive digital logic elements within your simulations without any compromise on performance.
• Optimized for Analog and Mixed Signal Design: Tailored specifically for reliable simulation, offering the precision and speed you need.
• User-Friendly Interface: Dive into your design work with an intuitive interface designed for efficiency and ease of use.
• Integrated Development Tools: These come with built-in C++ and Verilog compilers, facilitating seamless integration into your design workflow.
• Superior Visualization: Generate publication-quality graphics that make data analysis and presentation straightforward and impactful.

 

 

 

Figure 2: Design simulation tool and results on QSPICE.

 

QSPICE by Qorvo is your gateway to a new era of simulation excellence, where reliability meets innovation. It's more than just a tool; it's your partner in designing the next generation of electronic advancements. Embrace the future of simulation with QSPICE – where power, performance, and precision converge.

Modelithics Qorvo GaN and GaAs Library: Precision-Driven Design Solutions

In the dynamic realm of RF and microwave design, the collaboration between Qorvo and Modelithics shines as a beacon of innovation. It offers designers unparalleled access to the Modelithics Qorvo GaN and GaAs Library. This partnership is dedicated to equipping engineers with state-of-the-art nonlinear simulation models for Qorvo’s GaN and GaAs devices, paving the way for breakthroughs in high-frequency design applications.

Key Features of Modelithics Qorvo GaN and GaAs Library:

• Cutting-Edge Simulation Models: Modelithics' advanced Qorvo GaN and GaAs Library models offer exceptional accuracy through "best-in-class" measurement and modeling techniques, featuring substrate and part-value scaling for high-frequency design precision.
• Seamless Integration & Comprehensive Documentation: Designed for flawless integration with latest EDA tools, each model in the library comes with detailed data sheets for enhanced usability and in-depth insights.
• Innovative Design Features: The library includes nonlinear simulation models with variable bias, temperature scaling, self-heating effects, and intrinsic I-V sensing, plus bond-wire adjustments, enabling nuanced exploration of GaN and GaAs in die and package formats for improved device performance.

 

 

 

 

 

Figure 4: Modelithics simulation tool and results.

 

Modelithics not only provides theoretical models but also validates their real-world effectiveness through detailed power amplifier reference designs, such as a 1.8-2.2 GHz amplifier showcasing model accuracy and advanced features like intrinsic port access and multi-harmonic tuning, thanks to Modelithics Microwave Global Models™. Additionally, the Modelithics Qorvo GaN and GaAs Library, embedded within the Design Hub ecosystem, equips RF engineers with comprehensive resources and tools, fostering innovation and enabling breakthrough performance in RF and microwave projects.

Some Final Takeaways

Qorvo's suite of design tools, including MatchCalc, QSPICE, and Modelithics Qorvo GaN and GaAs Library demonstrate the company's dedication to enhancing the engineering community's capabilities. Available through Qorvo’s Design Hub, these resources simplify design challenges and promote innovation and efficiency among RF and microwave designers. Tailored to address various design needs—from impedance matching to advanced GaN and GaAs simulations—these tools, developed in collaboration with partners like Modelithics, highlight the synergy in advancing RF and microwave design standards.

For more on this topic and solutions for your latest design challenge, visit the Qorvo Design Hub, which offers a rich assortment of videos, blog articles, white papers, and more.

For more information about this and other Qorvo Design Hub tools and solutions, please visit Qorvo.com or reach out to Technical Support.