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The August issue of Microwave Journal includes a special focus section eBook on mmWave technology. The articles cover extreme mobile broadband and wireless fiber plus design of an alumina D-band waveguide to coplanar transition. The eBook also has product articles on a new signal generator, real-time spectrum analyzer and mmWave horn antennas for T&M plus a new products section.

Our contributors, experts from various fields, present in-depth analyses and innovative solutions aimed at enhancing the functionality and efficiency of military systems. You'll find comprehensive discussions on implementing high-performance filters in millimeter-wave applications, an overview of trends in RF components for radar, and the transformative potential of multifunction GRIN antennas. These technologies are pivotal in addressing the growing need for multi-mission capabilities within confined spaces, ensuring that our defense systems are both effective and resilient.

The articles in this eBook explore the latest advancements and applications of SWAP-optimized components. For instance, you'll read about the integration of low-noise oscillators, hybrid couplers, and gain equalizers, all designed to meet the stringent requirements of modern radar systems. Additionally, the eBook covers the implementation of automation in microwave system testing and the innovative approaches to open-field and live-system RF testing.

In the ever-evolving landscape of defense technology, GaN has emerged as a transformative force, revolutionizing the capabilities of military systems. From advanced radar systems to communications systems, GaN technology has been instrumental in enhancing the effectiveness and efficiency of defense operations. This eBook, "New Developments in GaN Technology for Defense," covers some of the latest innovations and applications of GaN technology for military markets including radar, amplifier design, thermal and power management, and the advantages of GaN technology. Collectively, the articles in this eBook showcase the transformative potential of GaN technology in bolstering military capabilities.

This eBook is part of the May 2024 issue as a special focus section on 5G/6G topics including AI in 6G, Interconnection Development for mmWave Applications, and Terabit Wireless plus product information on new DDS AWGs, MMIC filters and low phase noise oscillators. These articles are contributed from industry leading companies such as Keysight, NI, Pasternack, ETI, Marki Microwave, Quantic Wenzel and Spectrum Instrumentation. There is also a new products section.

Most every wireless and wireline communication network, along with radar systems uses a digital modulation scheme that is susceptible to noise and jitter. Many systems still use a heterodyne architecture that converts the digital signal to a higher-frequency analog signal. This architecture relies on a mixer to create these higher frequencies. Noise from any component that reaches the mixer can be re-mixed and this reduces the sensitivity and selectivity of the entire system as re-mixed signals leak into adjacent channels. Phase noise is a big contributor to this potential issue.

This eBook provides an overview of phase noise mechanisms, causes and effects, along with insights into how to calculate, measure and design to minimize phase noise. The first article discusses the basics, along with how high-precision quartz oscillators benefit applications. The second article provides an analysis of the causal effects of phase noise in radar and satellite communications. Article three is an application note that provides a thorough analysis of how to measure two-port residual phase noise. The final two articles address design and testing challenges to minimize phase noise in millimeter wave components.

Today, the 6G standard is in the early phases. Candidate technologies are being researched, prototyped, and simulated to drive the direction of the 3GPP standards development activity. Applying digital twin workflows to simulations and pairing them with a prototype as it moves through the design phase opens up innovative ways to design and identify optimizations early. Modeling software tools that leverage as much real-world data as possible have the potential to solve significant challenges early by incorporating known insights from existing 5G deployments. Research testbeds will be critical to success if 6G aims to spur collaboration alongside innovation. The ability to prototype new AI, digital twin, and software-defined tools across the wireless ecosystem will provide significant results for applying those technologies wisely. This eBook looks at the design densification and test challenges from migrating 5G communications into the 6G sub-Terahertz frequency ranges. Keysight Technologies, the sponsor of this eBook, presents end-to-end capabilities for simulating, testing, and evaluating devices, subsystems, and systems for the evolution of the 5G systems as they evolve towards 6G.

Mission-critical RF component selection has experienced remarkable advancements with breakthroughs in materials science, semiconductor technology, and design methodologies. These innovations have paved the way for the development of components capable of operating under extreme conditions, delivering unparalleled performance, and ensuring seamless interoperability within complex communication infrastructures. This eBook covers new developments in SDRs, filter topologies, semi-rigid cable assemblies, RF over fiber and a modular approach to phased arrays. These new developments will assist the design engineer in some new approaches to RF component selection for mission critical applications.

The March 2024 Cable and Connector Special Focus section contains several articles covering the RF connector market for basestations, the growing challenge of counterfeit cables, and technology innovations. There are also product articles including SMP-MAX and 65 GHz adapters plus a new products section covering products from various companies. Don’t miss this eBook covering the latest innovations in cable and connector technology

For engineers and researchers working in the field of RF and microwave devices, the design considerations outlined in this eBook serve as a valuable resource. Practical insights and real-world applications offer a hands-on approach to implementing the latest strategies for achieving optimal amplifier linearity in communications systems. The “Impact of Amplifier Linearity on Communications Systems Performance” is a timely and indispensable guide for those seeking to stay at the forefront of technological progress in the ever-evolving world of communications. As we embrace the future of connectivity, this eBook equips its readers with the knowledge and skills needed to navigate the intricate landscape of amplifier design with confidence and innovation.

5G has been rolling out for several years now but each 3GPP release is adding new capabilities to realize the full potential of the technology while companies are improving on device and system design to improve performance and cost. This eBook is part of our Nov 5G/6G and IoT themed issued focusing on 5G. The articles cover an overview of V2X technology, RF Front end design, a new cooling technology for 5G active antenna systems, new innovations in 60 NLOS technology, phase noise analysis for radar/SATCOM systems and new products in the industry.