Latest Wireless/RF Technical Articles

In this article, we learn about noise parameters and use Smith charts to design a unilateral low-noise amplifier (LNA)…

In this article, we learn about noise parameters and use Smith charts to design a unilateral low-noise amplifier (LNA) for a specified gain.

For newbie RF designers, the field's variety of power gain definitions can cause confusion. This article explains how,…

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.

Learn how conductive circuit components can function as antennas, even when they aren't intended to.

Learn how conductive circuit components can function as antennas, even when they aren't intended to.

Should your IoT design use a wireless module or a System-on-Chip (SoC)? This article presents a deep dive into the cost…

Should your IoT design use a wireless module or a System-on-Chip (SoC)? This article presents a deep dive into the cost implications of each option, assisting you in making an informed, cost-effective decision.

This article explores the design of bilateral RF amplifiers for maximum transducer gain, and explains how to assess…

This article explores the design of bilateral RF amplifiers for maximum transducer gain, and explains how to assess whether an RF amplifier is bilateral or unilateral.

Learn about the role of gain analysis in the design of unilateral RF amplifiers, first by reviewing the basic concepts…

Learn about the role of gain analysis in the design of unilateral RF amplifiers, first by reviewing the basic concepts and then by working through a pair of design examples.

Stability analysis is an integral part of RF design. Learn the basics of stability analysis, including how to determine…

Stability analysis is an integral part of RF design. Learn the basics of stability analysis, including how to determine whether a device is unconditionally stable or potentially unstable.

This article introduces and compares Bluetooth Low Energy’s legacy advertising, extended advertising, and…

This article introduces and compares Bluetooth Low Energy’s legacy advertising, extended advertising, and connection-oriented data transfer modes.

In Bluetooth LE (BLE), security is a multifaceted beast. Learn the three main security modes of BLE, along with five…

In Bluetooth LE (BLE), security is a multifaceted beast. Learn the three main security modes of BLE, along with five critical BLE security procedures.

Understanding the causes of attenuation in a transmission line can help us choose the right solutions for our…

Understanding the causes of attenuation in a transmission line can help us choose the right solutions for our application. In this article, we’ll learn about attenuation caused by conductor loss and dielectric loss.

Understanding the effect of dielectrics on transmission lines is an important aspect of many high frequency system…

Understanding the effect of dielectrics on transmission lines is an important aspect of many high frequency system designs. This article will introduce concepts like relative permittivity and loss tangent and describe how they affect the performance of transmission lines.

Designing antennas for compact IoT devices is a tricky task, but an increasingly important one. Learn more about this…

Designing antennas for compact IoT devices is a tricky task, but an increasingly important one. Learn more about this challenge and how to meet it.

Learn the roles of the three security keys in Bluetooth LE—Long Term Key (LTK), Connection Signature Resolving Key…

Learn the roles of the three security keys in Bluetooth LE—Long Term Key (LTK), Connection Signature Resolving Key (CSRK), and Identity Resolving Key (IRK).

Learn how whitening filters solve problems in low-power radios when transmitting long identical bit sequences. Explore…

Learn how whitening filters solve problems in low-power radios when transmitting long identical bit sequences. Explore their significance in protocols like BLE and ZigBee.

Learn how ATT and GATT protocols help Bluetooth LE devices store and manage data, making it easier for connected devices…

Learn how ATT and GATT protocols help Bluetooth LE devices store and manage data, making it easier for connected devices to work together seamlessly.

This article introduces high-frequency conductor losses in transmission lines caused by a phenomenon known as the skin effect.

This article introduces high-frequency conductor losses in transmission lines caused by a phenomenon known as the skin effect.

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.

This article will help you understand losses in high-frequency transmission lines that include traces on PCBs. We will…

This article will help you understand losses in high-frequency transmission lines that include traces on PCBs. We will also investigate how these losses impact signal propagation and the quality of digital signals.

Understanding PCB material parameters such as relative permittivity and loss tangent allows us to discuss some important…

Understanding PCB material parameters such as relative permittivity and loss tangent allows us to discuss some important considerations for choosing the right material when designing a high-speed/high-frequency application.