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White Papers

Design of Class F Power Amplifiers Using Cree GaN HEMTs and Microwave Office Software to Optimize Gain, Efficiency, and Stability

This NI AWR Design Environment(TM) white paper, "Design of Class F Power Amplifiers Using Cree GaN HEMTs and Microwave Office Software to Optimize Gain, Efficiency and Stability" details how Microwave Office circuit design software can be used to design power amplifiers employing Cree gallium nitride (GaN) high electron mobility transistors (HEMTs) to maximize power-added efficiency (PAE) by optimizing source and load pull at both fundamental and harmonic frequencies. The load-pull scripts that are available in Microwave Office circuit design software have been used extensively to find the optimum trade-offs in power gain, efficiency, and stability.

Hybrid Antennas for the Internet of Things (IoT)

This note describes basic qualities of antennas and attempts to use those descriptive properties as a framework to transmit ideas about a new antenna type- called the Hybrid Antenna.

The VSX3622, a 1.5 kW X-Band GaN Power Amplifier for Radar Application

Solid State Power Amplifiers (SSPAs) incorporating GaN transistors provide compact and efficient sources of microwave power. CPI has developed a 1.5 kW X-band SSPA, CPI model VSX3622, for radar applications. The VSX3622 SSPA combines the power from two VSX3614 SSPAs, which each operate at nominally 1 kW, saturated. This paper will present details of the design and performance data for both amplifiers.

Co-Simulation With Visual System Simulator and LabVIEW for Enhanced Signal Processing

This NI AWR Design Environment(TM) white paper describes co-simulation capabilities of Visual System Simulator(TM) (VSS) system design software and LabVIEW, enabling system designers to better analyze, optimize, and verify complex RF systems inclusive of digital signal processing (DSP) blocks.

An AESA Revolution Utilizing the Disruptive Technology of Highly-Integrated Silicon ICs

We will first present an overview of phased-array antenna fundamentals and basic Active Electronically Scanned Array (AESA) principles and challenges, and then we will explain how planar solutions can help with form-factor issues. We will also show how planar solutions at frequencies at or above X-band require increased integration, as well as highlighting some associated challenges.

Integration and Operational Guidelines for MEMS-Based Inertial Systems: Applications that Include Magnetometers

High-performance inertial systems provide accurate platform heading information in a variety of applications and operational environments. However, the magnetometers used are susceptible to measurement distortion in the presence of any magnetic material. This white paper documents product integration and on-board calibration procedures that mitigate distortion and optimize overall product performance.

Characterizing Components in Wireless Power Transfer (WPT) Systems

A key factor in designing Wireless Power Transfer (WPT) devices is the performance of the power transfer efficiency between coupled coils and resonators. Consequently, the ability to characterize these components and measure power transfer efficiency in real-time is paramount. Download the new application note to learn the theory of WPT, measurement requirements for components in WPT systems and how to characterize key parameters.

Carry Precision With You To Ka Band & Beyond

Keysight's rugged, dependable FieldFox handheld analyzers are designed to deliver precise, lab-grade measurements up to 50 GHz. Explore Keysight's FieldFox application note and webcast library, to help you solve your toughest measurement challenges to Ka band and beyond. Includes these three app notes updated to cover measurements up to 50 GHz: Correlating Microwave Measurements between Handheld and Benchtop Analyzers; Precision Validation, Maintenance and Repair of Satellite Earth Stations FieldFox Handheld Analyzers; Techniques for Precision Validation of Radar System Performance in the Field. Explore FieldFox. Get app notes, webcasts & more.

Radar and Electronic Warfare Systems Design Resources

Electronic Warfare Fundamentals Poster. This poster contains a radar warning receiver and DRFM based jammer block diagrams, a compare and contrast of Radar versus EW, basic equations, cross-eye jamming, modern jamming techniques, three areas of EW; common acronyms and the latest hardware and software for electronic warfare test and measurement.

Using CCDF as a Method of Measuring P1dB and P3dB

Top methods to analyze amplifiers compression characteristics and performance of peak power capabilities.

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