White Papers

Wideband, High-Power GaN PAs in SMT Packages Preserve Electrical and Thermal Performance While Simplifying Design

This paper discusses gallium nitride as the preferred technology over gallium arsenide for facilitating power levels up to 10 watts and providing superior performance with simpler handling and assembly requirements. Topics include circuit design implications for these higher power levels, surface mount packaging for simplified design, performance examples and applications.


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Wolfspeed Large-Signal Models: Accurately Validating RF Designs

This article will provide a top-level view of Wolfspeed's large-signal models for GaN power transistors and their application in an RF design. The article will include an overview of Wolfspeed's GaN on SiC devices, the associated large-signal models, and their advantages versus real-world devices during the development process. The piece will continue with an overview of a typical design procedure and a case study, then conclude with a discussion of the resources available to designers and how to get started.


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Wolfspeed Large-Signal Models: Accurately Validating RF Designs

This article will provide a top-level view of Wolfspeed's large-signal models for GaN power transistors and their application in an RF design. The article will include an overview of Wolfspeed's GaN on SiC devices, the associated large-signal models, and their advantages versus real-world devices during the development process. The piece will continue with an overview of a typical design procedure and a case study, then conclude with a discussion of the resources available to designers and how to get started.


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Analog Devices Advances RF/mW in The Space Industry

On Saturday, May 30th, people across the world watched in awe as SpaceX launched a rocket, designed independently of any government, putting two astronauts into orbit on their way to the International Space Station — the first time in history for any commercial company. Ten years ago, this would have been an unthinkable endeavor for any commercial or private organization.


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Time Domain Analysis with a VNA

A Vector Network Analyzer (VNA) natively measures complex S-parameters of a device under test (DUT) in the frequency domain mode by sweeping across various frequency points. While there is an exhaustive list of measurements that can be accomplished in the standard frequency domain mode – using the advanced inverse Chirp z-transformation, the measurements can also be simultaneously analyzed in the time domain mode. This gives the added advantage where the two fundamental modes of analysis can be performed by one single instrument.


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