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The annual Cables and Connectors Special Focus section covers several high-performance topics and products including “Shielding Effectiveness of SMPM” from W. L. Gore & Associates; “How to Select the Best RF Cabling for Harsh Environments” by Cinch Connectivity Solutions; “Cables and Connectors for DC to 250 GHz Test Systems” from Junkosha USA; “New Connectors for 224G with Path to 448G” from Samtec; “Tackle Tough Testing Conditions with High Performance Cables” from RFMW; “High Frequency Connector for Harsh Environments” from Smiths Interconnect; and new products from various other companies.

This eBook introduces both hardware and software-driven methods of analysis from a variety of sources, provid­ing a clear and useful overview of the satellite market. The first, third and fifth articles focus on NTNs. The first article, written by Menlo Micro, focuses on automotive safety regulatory obligations and passenger enjoyment driven by automotive connectivity via NTNs. The third article, a whitepaper from Maury, addresses the different satellite types driving NTN connectivity and different emulators for real-world scenarios. The fifth article, also a whitepa­per from Maury, details hardware-in-the-loop emulation and the different impairments encountered by 5G NTNs. The second article in the eBook, an application note from Maury, teaches the reader about mobile user objective systems, including the architecture, operational status and emulation accuracy during testing. Finally, the fourth and sixth articles, both from QuadSAT, detail the importance of antennas in satellite testing and emulation and the use of drones, as a cost-effective way to test ground station antennas throughout the prototyping, qualification, acceptance and site testing. Altogether, this eBook covers a variety of topics key to satellite testing and emulation.

The rapid evolution of communications, radar, and electronic warfare systems continues to push the limits of data conversion technology. As systems transition from narrowband, hardware-defined architectures to flexible, software-defined and multi-band designs, the ability to directly sample and synthesize signals at ever-higher frequencies has become both a challenge and an opportunity. The migration toward direct RF sampling and direct digital synthesis architectures—enabled by advances in high-speed analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and mixed-signal front ends—has fundamentally changed how engineers design next-generation microwave and millimeter-wave systems. 

This eBook explores the latest breakthroughs driving this transformation. It features a collection of technical articles that ex­amine both the theoretical and practical aspects of modern data conversion, from architecture-level design to component-level innovations. By moving signal processing closer to the antenna and expanding the usable frequency range of direct sampling devices, engineers are realizing unprecedented levels of performance, flexibility, and integration across multiple RF and micro­wave bands.

The Nov 2025 5G/6G special focus eBook covers “RF Modeling and Simulation For 6G System Design Using Digital Twins” contributed by Keysight Technologies, “…And OTA Became Mainstream: How Innovations in OTA Testing Drive Next-Gen Wireless” by Rohde & Schwarz and “Unclogging the Wireless Pipeline: Tackling Network Congestion with ISAC and RIS” from MathWorks for technical articles. For products, the eBook features New Software for 5G Device Verification from Anritsu, 67 GHz SPnT Coaxial Switch for Upper V-Band and Next-Gen Wireless from Teledyne Relays and a Dual Polarized 28 GHz Phased Array from TMY Technology plus a New Products section.

This eBook includes articles detailing UWB basics, military applications, radar module specifications, modern applications and market data. The first article from Qorvo provides an overview of UWB technology, including the versatility of use cases and a basic comparison of UWB radar, passive IR and mmWave radar. The second and third articles, from Aerospace BD and Qorvo, address defense applications of radar in the HF-Band and the X-Band, respectively. The fourth article takes a deep dive into the radar equation and mathematically examines how it can enable performance-driven designs. The fifth and sixth articles, both from Qorvo, focus on more contemporary applications. The fifth article details the use of UWB in manufacturing facilities to precisely locate products and parts, including a success story of using UWB for warehouse management. The sixth article addresses the automotive safety industry, detailing the ways UWB could integrate with existing radar and camera systems to increase safety. The final article in this eBook is an RF industry overview from Yole Group.

The September 2025 EW, Radar and Milcom themed supplement has technical articles covering countering high frequency surface wave radar and international spectrum supportability for software defined radios (Part 2); a tutorial on covering the radar equation to T/R module specifications; and product articles on USB-powered VNA for field applications, RF sampling transceiver family, RF coaxial contacts for D38999 cable assemblies, Q/V-Band Cassegrain antennas for ground systems and a high-power solid-state amplifier. There is also a company showcase.

The mmWave Special Focus section is part of the August issue that is a separate eBook covering mmWave Technology. The technical articles cover custom Uni-guide connectors for dual-ridged waveguide, Q- and V-Band advanced communications technology, and leveraging the potential of 5G mmWaves. The product articles cover PA MMICs for Ka-Band SATCOM, mmWave and Sub-THz antenna test systems and new products from various companies.

This eBook contains articles that address four main topics within radar: design basis, market applications, SWaP and testing. The first and fourth articles, by PseudolithIC and RFOptic, respectively, address new materials and design approaches for enabling radar. The first article introduces heterogeneous compound semiconductors as solutions for manufacturability and power management challenges. The fourth article, on the other hand, addresses the advantages of RF-over-fiber, including signal integrity and immunity to EMI. The second article, from Engalco Research, reviews the different types of SSPAs and their respective market segments, including radar and electronic warfare. The third article, from Times Microwave, and the sixth, seventh and eighth articles, from Knowles Precision Devices, demonstrate technologies aimed at improving SWaP for radar systems. The third article focuses on multiport connectors for harsh environments, while the seventh article discusses the use of capacitors as bypasses for MMIC amplifiers. The sixth and eighth articles both address the benefits of using filters in radar and electronic warfare receivers. Finally, the fifth article provides an in-depth tutorial on testing and troubleshooting AESA TR modules to save time and resources. This eBook covers a wide range of technologies related to radar enablement and radar applications.

The first article provides an overview of the unmanned aerial vehicle (UAV) market, including the projected market growth in the 2020s and the benefits of UAVs in reducing costs and casualties. The second and third articles address the defense side of the market, providing a history and update on emerging technologies for drone detection and counter-unmanned aircraft systems (C-UAS). The fourth and fifth articles take a deeper technical dive, focusing on the range and size benefits of using phased-array and X-Band radars and addressing the underlying circuitry. The sixth article changes the focus to materials and introduces a new aerogel antenna. The lightweight, embeddable material improves aerodynamics and enables a higher payload. Finally, the seventh article explores solid-state power amplifiers, including their packaging and impact on electronic warfare and radar systems. This eBook covers a wide range of topics related to drones and defense technologies.

The articles compiled in this eBook explore a diverse range of topics with practical insights and emerging strategies aimed at engineers, system architects, and technical decision-makers. We begin with “The Future of Wireless: Technologies Overcoming 5G Struggles,” an exploration of the current hurdles facing 5G/6G deployments—such as spectrum limitations and coverage. In “Wideband IQ Emulation and Analysis for RF Design and Debug,” we delve into the expanding role of wideband I/Q signal generation and analysis in supporting modern RF systems. This article outlines the techniques and instrumentation making that possible. The hardware used in signal analysis is also undergoing a transformation, and “Evolution of Interconnects in Benchtop RF Test” covers how modern interconnect solutions are improving performance, reducing signal loss, and enhancing test repeatability. “Advanced Power Integrity Measurement Solutions” addresses the challenges of maintaining stable, noise-free power in densely packed, high-speed circuits. Wireless systems are only as good as their antennas, and “Evaluating Antenna Testing Options” reviews a variety of test environments, from anechoic chambers to over-the-air (OTA) setups. Finally, in “Noise in Traffic: Signal Emulation for Automotive Apps,” we tackle the complexities of testing communication systems within the increasingly electrified and connected automotive landscape. Simulating realistic traffic noise and signal interference is essential to ensuring vehicle systems remain safe and effective under all conditions. Each article in this collection offers a view into the challenges and solutions shaping the world of signal analysis. Together, they reflect a shared goal: empowering engineers and developers to push the limits of what’s possible with confidence and precision.