As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by its S-parameters. Read this article to learn more about this important piece of equipment.
January 19, 2024 by Dr. Steve Arar
Have you ever needed an unusual, non-standard resistance value for the project you are building? This article will provide you with a simple series of steps to build the resistance you need from a collection of resistors.
January 07, 2024 by John Woodgate
RF amplifier design is a challenging task, involving trade-offs between linearity, efficiency, gain, and output power. Here, we examine how a common-emitter circuit can, or can't, function as a power amplifier.
December 22, 2023 by Dr. Steve Arar
This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4 specification, which aims to evaluate the disturbing effects of noise on audio broadcast signals.
December 10, 2023 by John Woodgate
For newbie RF designers, the field's variety of power gain definitions can cause confusion. This article explains how, why, and when to use the operating power gain definition in RF amplifier design.
December 03, 2023 by Dr. Steve Arar
Learn five alternatives to spread spectrum for EMI mitigation in switched-mode power supplies: passive and active EMI filtering, slew rate control, advanced packaging, and PCB layout optimization.
November 30, 2023 by Jonathan Riley, Texas Instruments