UWB vs Other Positioning Standards

Discover UWB: centimeter-accurate, low-latency, secure real-time positioning tech transforming consumer, automotive, industrial and robotics.

Why S-Parameters Dominate RF Engineering

Discover why S-parameters are the RF standard: wave-based definitions, matched-load practicality, and VNA/directional coupler measurements.

Principles of Moving Target Display Radar

Moving target display radar basics: objectives, features, block diagram, operation, phase-coherent oscillation and cancellation.

RF Communication: Radio Wave Propagation

Intro to RF circuits and radio wave propagation: reflection, refraction, diffraction, scattering and direct transmission in wireless channels

RF Learning: Common Questions and Answers

Practical RF design Q&A: PA saturation, GaN/ADS convergence, Doherty, LNA matching, load-pull, MMIC layout and simulation tips.

5G CA Band Combinations and Bandwidth Rules

Learn NR suffix meanings and Carrier Aggregation: intra/inter-band CA combos, band classes, and how CA aggregated bandwidth is calculated.

Antenna Design Guide for Efficient Wireless

EDA-driven guide: shrink a Bluetooth IoT antenna to 53% and gain ~6 dB by optimizing rigid-flex, matching network, grounding, and mounting.

What Is Demodulation? AM and FM Principles

Radio demodulation explained: AM rectification, FM frequency discrimination, and extracting signal waves from carrier transmissions.

Antenna Transmission and Gain Antenna Pros & Cons

Learn how gain antennas boost signal, design and placement tips, pros and cons of directional vs omnidirectional antennas for wireless systems.

Measuring Duplexer Isolation and Working Principles

Learn how duplexers isolate TX/RX in radios, measure isolation (power, spectrum, reflection), and key specs: isolation, insertion loss, leakage.

Decoupling Methods for MIMO Base Station Antennas

Review of MIMO base station antenna decoupling: research background, blocking and near-field cancellation methods, challenges, and future directions.

Packaged Antennas in Heterogeneous Integration

Explore packaged antenna designs for heterogeneous integration: LTCC, HDI, silicon, glass and organic interposers for millimeter-wave AiP.

Designing RF Circuits for Doherty Amplifiers

Learn Doherty amplifier RF circuit design: carrier and peaking amplifier theory, splitting, matching, combining, phase and efficiency challenges.

NB-IoT Antenna ESD and Surge Protection

NB-IoT antenna ESD and surge protection guide: low-capacitance diodes (ULC3311CDN, ULC0511CDN30) and GDTs for IEC 61000-4-5.

Ionospheric Radio Propagation Explained

Learn HF ionospheric propagation: skywave basics, D/E/F layers, MUF/LUF, skip zones, solar effects and practical HF communications tips.

5G RF CA: Band Combinations and Bandwidths

Deep dive into 3GPP R18 CA spectrum emissions, FR1 band combos, suffix meanings, CA types and bandwidth calculations for NR carrier aggregation.

What Causes Passive Intermodulation and How to Solve It

Explore passive intermodulation (PIM) in RF systems: causes, material/contact nonlinearity, real satellite cases, and mitigation tips for engineers.

NR Frame Structure and Flexible Subframe Design

Huawei NR frame structure design: flexible numerologies, coexistence, subframe scaling, TDD/configurable HARQ, unlicensed and MIMO considerations.

Terahertz Technology: Global Development Status

Terahertz waves explained: properties, sources, detectors, communication, imaging and future applications in sensing, security and high-speed links.

Why Modulate Signals? Common Linear Modulation Types

Learn why modulation adapts baseband signals to bandpass channels, definitions, AM/FM/PSK/QAM, linear vs nonlinear methods and purposes.