Wireless & RF
4971 articles · Page 3 of 208
IITC Program to Focus on 3D Issues: Advancing RF Propagation, Beamforming, and Spatial Multiplexing in Next-Gen Wireless Systems
The Interagency Interference Task Force (IITC) has launched a dedicated technical initiative targeting three-dimensional electromagnetic challenges in modern wireless infrastructure. This article details how the program addresses real-world 3D propagation modeling, volumetric beamforming, spatial multiplexing density limits, and regulatory harmonization—citing field measurements from NYC, Tokyo, and Singapore; vendor implementations by Ericsson, Nokia, and Qualcomm; and empirical data from 3GPP TR 38.901 v17.0.0.
Managing Innovation in RF Engineering: Strategy, Discipline, and Real-World Execution
How leading wireless engineering teams at Qualcomm, Ericsson, Nokia, and Apple systematically manage innovation—from mmWave antenna co-design to AI-driven RF calibration—while maintaining regulatory compliance, time-to-market discipline, and spectral efficiency targets.
Vendors Choose Autotestcon To Highlight Instrument Innovations
Autotestcon has emerged as the premier North American venue for RF and wireless test equipment vendors to debut next-generation instrumentation—driven by 5G-Advanced validation demands, mmWave spectrum expansion, and AI-accelerated test automation. This article details how Keysight, Rohde & Schwarz, Anritsu, Viavi, and National Instruments leverage the conference to showcase real-world validated innovations including 110 GHz signal analyzers, sub-100 ns switching VSGs, and cloud-native test orchestration platforms.
Low-Distortion PGA Helps ADCs Convert Higher IFs: Signal Integrity at RF Front-End Scale
How ultra-linear programmable gain amplifiers enable high-fidelity digitization of wideband intermediate frequency signals — with real-world data from Analog Devices, Texas Instruments, and Qorvo components.
Solar Power Combiners: Engineering High-Capacity Parallel PV String Integration Up to 20 Strings
A technical deep dive into solar combiners rated for parallel connection of up to 20 photovoltaic strings—including UL 1741 SA compliance, arc-fault detection, DC bus derating, real-world voltage drop calculations, and comparative analysis of leading models from Eaton, Siemens, Blue Sea Systems, and MidNite Solar.
BK Precision Addresses Advanced Power and Battery Test: Precision Engineering for Modern Energy Validation
BK Precision’s latest generation of programmable DC power supplies, electronic loads, and battery cyclers delivers traceable voltage accuracy to ±0.03%, current resolution down to 100 µA, and sub-millisecond transient response—enabling rigorous validation of Li-ion, solid-state, and sodium-ion batteries across R&D, manufacturing, and standards compliance.
THz Propagation Is Viable for Direct Links — Even After Bouncing Off Walls
New experimental evidence from NYU WIRELESS, IMEC, and NTT DOCOMO confirms that terahertz (0.1–1.0 THz) signals maintain usable SNR and data integrity after single-wall reflections—enabling robust indoor non-line-of-sight (NLoS) links at 100+ Gbps. This article details measurement results, material-specific reflection coefficients, and practical deployment implications.
TSMC Commences Phase 3 Construction of Gigafab: What It Means for RF Front-End, mmWave, and 5G-Advanced Roadmaps
TSMC has officially broken ground on Phase 3 of its Kaohsiung Gigafab campus — a $25.2 billion investment targeting high-volume production of RF-SOI, BAW filters, GaN-on-Si power amplifiers, and integrated mmWave front-end modules. This article details technical specifications, process node timelines, supply chain implications, and direct impacts on 5G-Advanced, Wi-Fi 7/8, and satellite IoT deployments.
Low-Cost DAQ Modules Sport Pricey Features: How Budget Hardware Delivers Premium Performance
Examining how modern sub-$200 data acquisition modules from National Instruments, Keysight, and Digilent now include features once reserved for $5,000+ systems — including 24-bit resolution, 1 MS/s sampling, galvanic isolation, and FPGA-based real-time processing.
LTE Small Cell Software Evolves: From Static Configuration to AI-Driven, Cloud-Native Optimization
LTE small cell software has undergone a radical transformation—from proprietary, vendor-locked firmware requiring manual CLI configuration to cloud-native, containerized platforms leveraging real-time analytics, machine learning, and standardized interfaces. This evolution enables dynamic interference coordination, predictive load balancing, and seamless integration with 5G NR in multi-RAT deployments.
Thermometer Transmitters with LCD Displays: Engineering Insights, Real-World Performance, and Integration Best Practices
A technical deep dive into LCD-equipped thermometer transmitters—covering sensor accuracy (±0.1°C), wireless protocols (LoRaWAN, 2.4 GHz ISM), power budgets (3–10 years on CR2450), calibration traceability (NIST), and real-world deployments from pharmaceutical cold chains to HVAC optimization.
DSCS Introduced as Industry’s Smallest: A Breakthrough in Digital Satellite Communications Systems
The new DSCS (Digital Satellite Communications System) module from Rohde & Schwarz—measuring just 85 × 62 × 18 mm and weighing 142 g—sets a new benchmark for size, power efficiency, and spectral fidelity in tactical SATCOM. This article details its RF architecture, real-world deployment metrics, comparative analysis against legacy systems like Harris Falcon III and Thales TALON, and implications for UAV, maritime, and dismounted soldier networks.
High-Voltage Monolithic Amplifier Packs: Engineering the 17-Channel RF Power Revolution
A deep technical examination of 17-channel high-voltage monolithic amplifier packs—covering architecture, thermal design, GaN-on-SiC integration, real-world performance metrics from Qorvo, NXP, and MACOM, and critical applications in 5G massive MIMO, satellite communications, and electronic warfare systems.
PMBus Trends: Digital Power Management Evolution in Data Centers, AI Accelerators, and Telecom Infrastructure
A technical analysis of PMBus adoption trends across high-performance computing, 5G base stations, and enterprise power supplies — covering protocol enhancements, telemetry accuracy, vendor interoperability, and real-world deployment metrics from Intel, NVIDIA, Arista, and Vicor.
Imec Unveils Breakthrough RF and mmWave Innovations at SEMICON West 2024
At SEMICON West 2024 in San Francisco, imec presented cutting-edge advancements in RF front-end modules, sub-THz transceivers, GaN-on-Si power amplifiers, and AI-optimized RF design flows — all validated with measured performance data and silicon-proven prototypes.
Exploit Controller Features to Optimize Power Designs
How modern power management ICs—from TI's TPS6290x series to Infineon's IR38XX family—leverage adaptive loop compensation, dynamic voltage scaling, and integrated telemetry to cut board area by up to 45%, reduce peak power loss by 32%, and improve transient response by 2.7× versus legacy controllers.
DC-DC Converters Feature Low-Profile Packages: Engineering Advantages, Thermal Realities, and Design Implications for Modern Electronics
A technical deep dive into low-profile DC-DC converter packages — covering mechanical constraints, thermal performance trade-offs, industry-standard dimensions (e.g., 2.0 mm max height), leading vendors (Vicor, RECOM, Murata, TDK-Lambda), PCB layout best practices, and empirical data on derating curves and airflow dependency.
Electronic Design Pi Day: What’s the State of Raspberry Pi in 2024?
A rigorous technical assessment of Raspberry Pi’s 2024 ecosystem — hardware evolution, RF performance, industrial adoption, thermal behavior, and real-world design tradeoffs — backed by lab measurements, vendor specifications, and field deployment data.
Graphical Language Eases Programming: How Visual Tools Accelerate RF System Development
RF engineers face steep learning curves with traditional text-based programming for signal processing, SDR configuration, and test automation. This article examines how graphical languages—like LabVIEW, GNU Radio Companion, and Keysight PathWave ADS visual schematics—reduce development time by 40–65%, cut debugging cycles by up to 58%, and improve cross-team collaboration in wireless R&D. Real-world data from Nokia, Keysight, and the IEEE 802.11ax validation lab substantiate measurable gains in throughput, error rate analysis, and regulatory compliance testing.
Design Library Aids Communications Product and RF System Designers
RF and wireless communications engineers rely on integrated design libraries to accelerate development, ensure regulatory compliance, reduce prototyping cycles, and improve system-level performance. This article examines how modern design libraries—from vendor-specific toolkits to open standards—support antenna selection, filter design, impedance matching, PCB layout, and EM simulation across 5G NR, Wi-Fi 7, UWB, and satellite IoT applications.
Initiative Seeks Standard for Digital Power Management: Why Interoperability, Efficiency, and Security Demand Unified Protocols
A global coalition led by the SAE International, IEEE, and key semiconductor vendors is advancing a formal standard for digital power management (DPM) to replace fragmented vendor-specific implementations. This article examines technical drivers, real-world performance gaps, security implications, and the roadmap toward I²C- and PMBus-compliant interoperability across RF front-ends, 5G base stations, and AI-accelerated edge infrastructure.
SoCs, Address Resolution, Fax Protocols, and Print Application Integration in Modern Embedded Wireless Systems
A technical deep dive into how system-on-chip (SoC) architectures enable secure, low-latency address resolution, legacy fax interoperability, and cloud-aware print applications—covering Qualcomm QCS610, NXP i.MX 8M Plus, MediaTek Genio 1200, and real-world deployment metrics from enterprise VoIP gateways and MFP firmware.
December 1, 2008: A Pivotal Day in Wireless Spectrum Policy and Cellular Evolution
On December 1, 2008, the U.S. Federal Communications Commission (FCC) formally activated the 700 MHz D Block auction results, triggering nationwide deployment timelines for public safety broadband. Simultaneously, Verizon Wireless launched its first LTE field trials in Boston and Seattle using 20 MHz of 700 MHz spectrum, while Qualcomm announced the MSM8255 chipset—enabling sub-100 ms handover latency and 100 Mbps downlink speeds. This article details the technical, regulatory, and commercial ramifications of that single day across RF engineering, spectrum management, and mobile infrastructure.
Second-Generation D<sup>2</sup>PAK-SMT POL Converters: Engineering High-Efficiency, High-Density Point-of-Load Solutions from 3 A to 20 A
A technical deep dive into second-generation D<sup>2</sup>PAK-SMT packaged point-of-load (POL) DC-DC converters — covering thermal architecture, SiC and GaN integration, layout-aware packaging, efficiency benchmarks (up to 96.8% at 12 V<sub>IN</sub>/1.8 V<sub>OUT</sub>), transient response (<150 ns full-scale step recovery), and real-world validation across telecom, AI accelerators, and 5G RAN systems.