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RELL

Overcoming 5G Test Challenges

There really is not a home for articles dealing with the challenges of the highest volume chips and their testing for high volume ATE. To serve this market, ATE companies, like industry microwave/millimeter wave instrument leader Teradyne, have developed instrumentation with features that create stability and repeatability at very high channel counts with reduced user complexity. But for this eBook, we did pull together some of the “best of MWJ articles” that talk about similar issues for you to whet your appetite including:

  • Navigating the 5G NR Standards, by Sheri DeTomasi, Keysight Technologies
  • Challenges for Effective and Realistic 5G OTA Testing, by Miguel Á. García-Fernández, EMITE Ingeniería S.L. and David A. Sánchez-Hernández, Universidad Politécnica de Cartagena
  • Significant Test Time Reduction and Equipment Utilization in 5G RF Production Testing, by Sascha Laumann, Rohde & Schwarz
  • The Phase Noise Challenge Pacing the Race to 5G, by Bill Linstrom, Ron Parrott and Allen Sweet, VIDA Products
  • Evaluating PCB Plated Through Holes for 5G Applications, by John Coonrod, Rogers Corp.

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RELL

Recent Radar Advancements and Trends

This eBook explores several topics relevant to radar performance, beginning with an article describing a radar architecture enabled by improved processing: the “holographic” or staring radar. The second article discusses how the performance of radars with complex waveforms can be assessed using sophisticated power measurement to characterize pulse operation and using noise signals with statistical power measurement to identify nonlinearities in the signal chain. Moving to the benefits of GaN on radar performance, Qorvo describes how increasing the operating voltage to 65 V increases device power density and power-added efficiency, to 9 W/mm and 80 percent, respectively. A second article from Qorvo compares the additive phase noise of linear and saturated amplifiers and between PHEMT and HBT processes. The eBook concludes with an interview with Dean White, director of Qorvo’s defense and aerospace segment, who shares his perspective of market needs and how Qorvo is aligning its process and product roadmaps to serve them.

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RELL

Antenna and Beamforming Design and Simulation

This eBook is a compilation of phased antenna and beamforming technology articles along with contributions from COMSOL on simulation techniques and examples of new antenna arrays and beamforming techniques to help you learn about the tradeoffs and design options in this fast developing area. The articles cover fully digital phased array radars, modeling and simulation examples, new array beamforming technologies, 28 GHz beamsteering antenna array simulation and other related topics.

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