Understanding Wave Reflection in RF Design
Overview of transmission line behavior in RF design, explaining reflection coefficient, return loss and VSWR and their impact on impedance matching and power transfer.
RF & Wireless Technology
Lunar Relay Coverage: Needs and Challenges
Technical summary of the Perseus 24-satellite lunar relay: frozen 12-hour orbits, K/S/X-band payloads, and coverage, capacity and ground-segment design for lunar communications.
Pioneers of Early Antenna Development
History of antenna development and early radio: Maxwell and Hertz’s electromagnetic theory and pioneers Lodge, Popov, and Marconi building practical systems.
Carrier-to-Noise Ratio Fundamentals
Technical overview of carrier-to-noise ratio (CNR) and practical measurement methods using spectrum analyzers and signal level meters for RF signal assessment.
IO-Link RFID Reader System Design and Challenges
Technical overview of an IO-Link RFID reader reference design using ST25R3916 and STM32, covering system architecture, antenna design, and impedance matching.
Passive Analog Filters: Two 90° Phase-Shift Networks
Technical overview of wideband 90° phase-shift design and polyphase network synthesis, with MATLAB and mobile tools for component selection and network analysis.
Modulation and Demodulation Methods for Radio Systems
Technical overview of modulation and demodulation in software-defined radio (SDR), comparing heterodyne, superheterodyne and direct?RF architectures and sampling rate effects.
Basics of RF Transmission Lines
Lecture on RF transmission lines covering core transmission-line fundamentals: characteristic impedance, wave propagation, reflections, and common line geometries.
Using the Human Body as a Communication Channel
Explains electro-quasistatic body channel for secure, low-power on-body communication, reducing eavesdropping range and energy per bit for wearables and medical devices.
NXP 5G RF Power Device Integration Options
Technical review of NXP's Radio Power Solutions detailing RF power device integration, architectures, module layouts and 5G application diagrams.
Evolution of 5G RF Front-End Modules
Review of RF front-end modularization for 5G: history, PAMiD/L-PAMiF architectures, filter integration challenges and system-level design requirements for multi-band modules.
Ka-Band Inter-Satellite Links in the Iridium Constellation
Technical overview of Iridium inter-satellite links, constellation geometry, phased-array spot beams, and Ka-band link parameters for the LEO Iridium NEXT network.
