Bluetooth Name Origin and How It Works

Explore Bluetooth's origin, how it works, differences from Wi-Fi, and everyday uses from headsets to trackers and access control.

How to Transmit and Receive Signals

Learn methods and equipment for signal transmission and reception, key considerations, and how transceivers and systems measure/display distance.

Methods for Generating SSB Signals

Overview of Single-sideband (SSB) modulation and 5G NR SSB: generation, USB/LSB extraction, bandwidth, power, PSS/SSS/PBCH roles.

Key Specifications of RF Power Amplifiers

Learn RF power amplifier fundamentals, specs (P1dB, gain, IP3, efficiency), design tips and selection criteria for wireless transmitters.

FM Demodulation Circuits and Characteristics

Learn FM demodulation: FM-to-AM conversion, resonant discriminators like Foster-Seeley and ratio detectors, and limiter roles in radio audio.

RF Communication: Radio Wave Propagation

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

Phased Array Antennas for Space-Ground Networks

Phased array antennas in space-ground integrated networks: architectures, beamforming, challenges, and future trends.

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.

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.

What Is Demodulation? AM and FM Principles

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