White Papers

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ARTICLES

Designing BUC/SSPAs for Airborne Applications

As we witness the evolution of integrated communication, we also observe the increased number of requirements for airborne microwave transmission, ranging from satellite to air-to-ground CDL band communications. Airborne applications introduce many challenging design constraints including increased temperature ranges, thermal management, vibration and shock, EMC/EMI, power requirements, and safety, all while maintaining portability as a key factor.


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RF/Microwave Technology Driving the Connected Car

In-car networks and advanced driver-assist systems (ADAS) present many design challenges to engineers. This white paper looks at Cadence® AWR Design Environment® software solutions for RF to millimeter-wave (mmWave) front-end component development that address electronic product development for automotive applications.


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NewSpace Terminal Testing Challenges and Considerations

Today’s satellite communication systems combine features from legacy cellular networks and emerging wireless technologies. New constellations are under development that attempt to provide ubiquitous mobility and internet networks via satellites, ground stations and user terminals (Figure 1). Each link in the supply chain presents unique challenges for R&D, production and deployment for both the components and system development.


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Flying an Agile RF Transceiver in Space

ADI’s unique commercial space flow enables satellite bus and payload builders to integrate a modern solution rapidly that meets the specific needs of the newest generation of on-orbit space vehicles. Aside from the process, we’ll explain the rationale behind having two commercial space flows on the impacts on RF and Microwave products.


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Application Note: Improving R&S®FSWP Measurement Speed

For automated test applications, measurement time is often as important as the quality of the measurement. In practice, phase noise measurements are generally not considered fast, but test engineers still desire to save as much test time as possible. With this paper you get a modern, digital signal processing based, phase-noise test set that performs many tasks in parallel in an effort to improve measurement speed.


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DOCUMENTS AND FILES

Transient EM/Circuit Co-Simulation in XFdtd®: A Closer Look at TVS Diodes for ESD Protection

TVS diodes help protect electronic circuits from surge voltages associated with an ESD event. XFdtd’s transient EM/circuit co-simulation capability combines the strength of 3D full-wave electromagnetic simulation with the flexibility of circuit solvers. This paper examines the approach, which embeds a transient nonlinear circuit solver in the full-wave simulation so that all electromagnetic phenomena are accounted for in a single time-domain simulation.

On the way to RF Softwarization, Teledyne e2v Data Converters Push Digital Signal Processing Boundaries with Direct Access to Ka Band

This article describes market disruptions currently faced by the space industry which may not only upend current commercial assumptions, but herald significant changes in the way that space-borne infrastructure is architected and operated in future. The hypothesis is that market forces and technology trends point to a necessary focus on substantially more flexible multi-mission platforms hereafter.

Antenna Impedance Matching Simplified

When discussing antennas, “impedance matching” commonly appears during the design and final phases. The antenna must be impedance matched when assembled for the end environment so it can operate with maximum efficiency. This process consumes a large amount of time hence it is worth understanding the basics of impedance matching.

Low Phase Noise DAC-Based Frequency Synthesis for Fast Hopping Wideband Microwave Applications

The excellent phase noise exhibited in ADI’s latest generation of high speed DACs enables size, weight, power/performance, and cost benefits in next-generation low phase noise, fast hopping agile RF/microwave synthesizers.

EMI Debugging with Oscilloscopes

This application note offers a straightforward description of how to analyze EMI problems using the Rohde & Schwarz Oscilloscopes. The discussion begins by covering the basic mechanisms that can result in unwanted RF emissions and then describes how to proceed in analyzing EMI problems. Finally, a practical example is given to illustrate the analysis process.

Featured Application Note: Selecting Common Mode Filter Chokes for High Speed Data Interfaces

High speed data interfaces like USB, HDBaseT™, HDMI, DVI, and DisplayPort require careful consideration to ensure reliable communication that is free of disruptive EMI. Of the many tools at the designer’s disposal like trace routing, termination and component placement, the common mode filter choke remains one of the most powerful. This application note discusses the benefits of using common mode chokes and reviews the performance characteristics associated with their proper application.

Overcoming Miniaturized Routing Challenges with Solderless Terminations

The electro-mechanical method used to attach an RF connector to a coaxial cable is called the “cable termination.” Cable termination methods have evolved over the years to improve assembly performance in demanding applications. Military, space, telecommunications, and test and measurement industries design system upgrades to meet market needs and advancements in technologies.

The Challenges of Real Person Use Case Testing for 5G Antenna Technology

To realise the 5G vision, new and more sophisticated technologies are required. 5G deployment is gathering pace, and compatible devices are undergoing an essential evolutionary phase to ensure the reliable connectivity, higher data transfer speeds, and increased bandwidths that are integral to the 5G masterplan.

Understanding and Selecting Power Sensors

This primer outlines the basics of RF power sensors and highlights a few key characteristics that will help you select the best one for each application. The educational note has three parts: choosing the right type of sensor, attributes of sensor performance, and we outline three ways to integrate a sensor into your measurement application.