Flexible Wearable Textile Sensors

Comprehensive review of fabrication methods and sensing mechanisms for textile-based strain sensors (1D fibers/yarns and 2D fabrics), with resistive models.

PMICs Enable Compact, High-Efficiency Designs

Technical overview of SIMO PMICs for wearables: single-inductor multiple-output DC-DC converters, design trade-offs vs LDOs/inductor regulators; examples MAX77650 & TPS65135.

High-Low Frequency Networking in 5G: Purpose and Function

Technical overview of high-low frequency networking in 5G: using TDD NR for capacity and FDD NR with SUL to improve uplink coverage, DSS coexistence, and device support.

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.

Mitigating Interference Between 5GHz Wi-Fi and 5G Sub-6 GHz

Technical analysis of Sub-6 (n77–n79) BLER degradation from internal coupling with Wi-Fi 5 GHz; measurement results and LNA/RF-IC filter and ferrite-bead mitigations.

Evolution of SoC Prototype Verification

Overview of SoC prototyping evolution, FPGA prototyping tools, commercial solutions, partitioning challenges and industry acquisitions shaping verification workflows.

ADI Vital Signs Monitoring Signal-Chain Solutions

White paper detailing ADI wearable signal-chain solutions for vital-sign monitoring, covering PPG, ECG, impedance, multi-parameter AFEs and 20 recommended components.

Methods to Improve MIMO Port Isolation

Overview of three MIMO isolation decoupling methods—ground-slot, ground-stub, and neutralization-line—covering design trade-offs, resonance tuning, and implementation constraints.

nRF5340: High-end multi-protocol SoC for advanced wearables

nRF5340 details: dual-core Arm Cortex-M33 SoC with advanced security (CryptoCell-312, TrustZone), multi-protocol 2.4 GHz radio and Bluetooth 5.1 support for IoT.

5G Antenna Materials: LCP and MPI Characteristics

Technical overview of 5G antenna materials, comparing LCP and MPI properties, industry chain, manufacturing challenges, and market supply dynamics.

Common Die-Cutting Materials Used in FPC Production

Overview of flexible printed circuits (FPC): common non-metal die-cutting auxiliary materials—FR-4, polyimide tape, TPX resist, EMI shielding film, and conductive adhesive.

Little Genius Q1A teardown reveals UNISOC W317

Teardown of the Little Genius Q1A kids' smartwatch detailing mainboard layout, UNISOC W317 UWS6131 chipset, power management, waterproofing and AI-assisted positioning.

Vapor Chambers for 5G Thermal Management

Technical overview of vapor chamber development for thermal management, covering wick structures, materials, and high heat?flux performance and limits.

1.2mm x 1.0mm Miniature Crystal Oscillators: Techniques and Benefits

Technical overview of implementing 1.2mm x 1.0mm crystal oscillators, covering material selection, packaging, electrode techniques, frequency trimming, thermal management.

Five Design Challenges for Remote Patient Monitoring

Technical overview of wearable patient monitors and remote patient monitoring covering battery life, portability, patient safety, secure wireless transmission and integration.

Power Management Challenges in Wearable Devices

Power management strategies for wearables: PMIC, SIMO and LDO selection, battery capacity trade-offs and low?power design techniques to extend battery life.

What Is Link Aggregation and How LACP Works

Explains link aggregation, LACP operation, modes, timeouts, and benefits for bandwidth scaling, redundancy, and load sharing across switches, servers, and datacenter links.

SN74LV240A 8-Bit Buffer/Driver Datasheet

Overview of Texas Instruments SN74LV240A 8-bit buffer/driver: two 4-bit inverting drivers, VCC 2–5.5 V, mixed?mode I/O, low propagation delay and Ioff hot?insertion support.

Microneedle Biomedical Systems: Design and Applications

Review of microneedles design, fabrication, sensing, and transdermal delivery; covers wearable integration, stimuli-responsive systems, skin-penetration and biofouling issues.

Applications of Power Amplifiers in Wearable Devices

Technical overview of power amplifiers in wearable devices: enabling improved audio, sensor drive and Bluetooth connectivity, with constraints on size, efficiency and battery life.