ALLPCB
Simplifying Mobile USB-C Design
Technical overview of USB-C charging challenges and how integrated USB-C buck charger ICs with built-in port controllers simplify power delivery and reduce BOM
Terahertz Communication and Sensing for Beyond 5G/6G
Overview of terahertz waves for B5G/6G: spectrum allocations, sensing and imaging potentials, and technical challenges for terahertz wireless networks.
Hardware Design for Medical Wearables
Design guide for a medical wearable: PPG-based heart rate and SpO2 measurement, accelerometer step counting, MCU selection and low-noise power management.
Security Solutions for 5G Mobile Devices
Examines 5G mobile security risks and proposes a terminal solution using hardware-based system isolation and guard-style intranet VPN with secure inter-system communication.
How Non-Terrestrial Networks Enable Satellite Internet
Technical overview of non-terrestrial networks (NTN), covering constellation types, 3GPP standardization, component stress factors and market demand for NXP Layerscape processors.
FPGA, ASIC and RFSoC in 5G Systems
Analysis of RFSoC integration and FPGA vs ASIC trade-offs for 5G RRUs, covering DFE/ADC-DAC integration, power and thermal limits, and deployment flexibility.
Dual Intelligence Network Overview
Explore the Dual Intelligence Network for optimized 5G coverage, interoperability, and user experience with intelligent automation.
Wearable Dry-Electrode ECG Patch with Optimized Geometry
Wearable gel-free ECG patch using gold thin-film dry electrodes and a hexagonal maze geometry for improved signal fidelity, wireless Bluetooth telemetry and biocompatibility.
Wearables Moving to Medical Grade: New Component Requirements
Technical overview of medical-grade wearables focusing on clinical accuracy and low-power design for compact continuous health monitoring
SMD NTC Thermistors for Temperature Monitoring in 5G Devices
Guide to using SMD NTC thermistors for PCB temperature sensing: circuit examples, ADC resolution, accuracy estimates, and thermal management in 5G devices.
Optical Heart-Rate Sensors in Wearables for Medical Use
Technical overview of wearable PPG heart-rate sensors and their use to estimate VO2 max and cardiac metrics for fitness and medical assessments.
Wearable Sensors: Smaller Size, Greater Impact
Technical overview of wearables and sensors: MEMS, PPG, accelerometers, gyroscopes, GNSS and pressure sensors, market trends and miniaturization driving medical and consumer devices.
Understanding 5G RedCap Technology
MIIT roadmap for 5G RedCap: standard evolution, industrial ecosystem and city-level coverage by 2025, enabling scalable RedCap applications in industry and IoT.
Types of Fiber Access and Connection Methods
Overview of fiber patch cord types, fiber access topologies (FTTH, FTTB, FTTD), and connection methods (point-to-point, cross connection) for network deployments.
6G Air Interface Concepts and Technical Challenges
Technical overview of 6G and terahertz (sub-THz) research: 100 Gbps–1 Tbps throughput targets, RF/baseband challenges, and THz benefits for NTN, SNR, dense antennas.
IDT Electrode Structures for Surface Acoustic Wave Sensors
Review of surface acoustic wave (SAW) devices for biosensing: fundamentals, device classifications (Rayleigh, SH-, Love-mode, Lamb), applications and implementation challenges.
Can Brain–Computer Interfaces Truly Work?
Overview of Neuralink's FDA-approved BCI trials, ethical scrutiny, and technical limits of decoding intentions, applications, paradigms, and Chinese startups.
Four Communication Methods for Emergency Sites
Overview of methods to establish reliable on-site emergency communications: satellite communication, 5G private networks, broadband mesh and narrowband trunked radio.
Waterproofing Base Station Interfaces
Practical RRU waterproofing guide for ANT ports detailing cold-shrink tubing and the 1+3+3 tape method, unused-port protection, and storage/maintenance recommendations.
Choosing the Right PMIC for Optical Sensor SNR
Examines how burst-mode boost converters degrade SNR in optical sensing and how a PMIC with a low-ripple buck-boost converter improves LED drive stability and SNR.