In this article, we explore the types of impedance tuners most commonly used for load-pull measurement—their advantages, their disadvantages, and the methods…
In this article, we explore the types of impedance tuners most commonly used for load-pull measurement—their advantages, their disadvantages, and the methods by which they synthesize impedance.
The output power and efficiency of a power amplifier (PA) are highly dependent on its load terminations. Learn how to…
The output power and efficiency of a power amplifier (PA) are highly dependent on its load terminations. Learn how to characterize a PA's performance by analyzing load lines and estimating the load-pull contours of constant output power.
This four-part series walks through the development of the Anthilla Controller, an open-source Internet of Things (IoT)…
This four-part series walks through the development of the Anthilla Controller, an open-source Internet of Things (IoT) hardware platform. In Part 3, we cover the manufacturing, assembly, and product testing of the board.
Pairing is an important concept in Bluetooth LE. Let’s examine the fundamentals of Bluetooth LE pairing, outlining how…
Pairing is an important concept in Bluetooth LE. Let’s examine the fundamentals of Bluetooth LE pairing, outlining how LE devices securely share keys between trusted devices.
To understand known vulnerabilities and attacks on Bluetooth LE devices, we review some studies from the past 4+ years.
To understand known vulnerabilities and attacks on Bluetooth LE devices, we review some studies from the past 4+ years.
Learn about Bluetooth LE's security features and tools, how to use them, and understand how they keep connections secure.
Learn about Bluetooth LE's security features and tools, how to use them, and understand how they keep connections secure.
Explore the seven states of the Bluetooth LE radio, how the link layer state machine manages the LE radio, and the roles…
Explore the seven states of the Bluetooth LE radio, how the link layer state machine manages the LE radio, and the roles of these states in wireless communication.
Take a closer look at the definition of the RF noise figure and discuss some subtleties to help avoid erroneous…
Take a closer look at the definition of the RF noise figure and discuss some subtleties to help avoid erroneous interpretations of this specification.
Learn more about L-sections and impedance matching by designing T and Pi matching networks using a Smith chart.
Learn more about L-sections and impedance matching by designing T and Pi matching networks using a Smith chart.
Learn about two-element networks (L-sections or L-networks), how they transform one impedance to another, their frequency…
Learn about two-element networks (L-sections or L-networks), how they transform one impedance to another, their frequency response, estimating their bandwidth, and their limitations leading to T networks.
Learn about the immittance Smith chart (ZY Smith chart), the effect of adding series and parallel components, impedance…
Learn about the immittance Smith chart (ZY Smith chart), the effect of adding series and parallel components, impedance matching, and finding a two-element matching network.
Learn about the Bluetooth low energy (BLE) wireless communication protocol, namely its features, protocol stack, and how…
Learn about the Bluetooth low energy (BLE) wireless communication protocol, namely its features, protocol stack, and how it communicates with devices.
Learn about double data rate (DDR) memory key concepts and applications surrounding this digital communication technique,…
Learn about double data rate (DDR) memory key concepts and applications surrounding this digital communication technique, where two data words are transferred during one clock cycle.
Dive deeper into the Internet of Things (IoT) communication through a brief overview of the different IoT data protocols.
Dive deeper into the Internet of Things (IoT) communication through a brief overview of the different IoT data protocols.
In this article, get a basic understanding of wireless communication networks—LoRa and LoRaWAN.
In this article, get a basic understanding of wireless communication networks—LoRa and LoRaWAN.
This article proposes a simple microcontroller power-supply circuit that is worth considering when you’re developing a…
This article proposes a simple microcontroller power-supply circuit that is worth considering when you’re developing a (very) cost-sensitive system.
The 1-wire bus, though not as widespread as other protocols, is a valuable communication technique for certain applications.
The 1-wire bus, though not as widespread as other protocols, is a valuable communication technique for certain applications.
This article discusses the characteristics and applications of a serial communication protocol intended specifically for…
This article discusses the characteristics and applications of a serial communication protocol intended specifically for audio systems.
Learn how to build a setup that will help you predict a battery's performance as it ages using a Trinket M0 and software…
Learn how to build a setup that will help you predict a battery's performance as it ages using a Trinket M0 and software algorithms.
Brown Out Reset is an important function to increase the reliability of a microcontroller after start-up. Normally used…
Brown Out Reset is an important function to increase the reliability of a microcontroller after start-up. Normally used to solve problems with the power supply, this article shows how Brown Out Reset can prevent another problem.