ALLPCB
Principles of Moving Target Display Radar
Moving target display radar basics: objectives, features, block diagram, operation, phase-coherent oscillation and cancellation.
Understanding Antenna Multiplexer Technology
Overview of antenna multiplexers for 5G/Wi?Fi: design tradeoffs, RFFE placement, isolation and coexistence filtering, insertion loss implications, and acoustic?wave filter benefits.
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.
Common Problems in RF Circuit Design
RF PCB design tips: avoid digital/RF interference, manage grounding, decoupling, partitioning and antenna isolation for reliable wireless performance.
Phased Array Radar Development Approaches
MIT Lincoln Laboratory phased array radar history and innovations: satellite surveillance, beamforming, hybrid vs. planar array development.
Key Performance Metrics of Wi-Fi Front-End Modules
Explore key performance metrics of Wi-Fi Front-End Modules (FEMs) for enhanced signal quality and connectivity in modern routers.
Overview of Common Wireless Receiver Architectures
Explore common wireless receiver architectures, components, and performance metrics like superheterodyne, zero-IF, and low-IF designs.
Estimating Device Power from Signal Switching
Estimate switching power in VLSI using activity and Monte Carlo simulation to predict dynamic power and run package-level thermal simulation for reliability.
RF Front-End Market to Reach $25.4B by 2025
RF front-end market: $22B global in 2022; $15.2B to $25.4B (2019–2025); China ≈$7B. Top segments: PAMiD, DiFEM/LFEM, PAMiF
Antenna Basics and Ceramic Antenna Principles
Ceramic antennas explained: operating principles, module design, PCB integration, advantages and limits for GPS, Bluetooth and IoT devices.
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.
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.
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.
Key Specifications of RF Power Amplifiers
Learn RF power amplifier fundamentals, specs (P1dB, gain, IP3, efficiency), design tips and selection criteria for wireless transmitters.
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.
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.