Latest Antennas Technical Articles

In this article, we'll use practical examples to define and demonstrate the concept of electrical balance. In particular,…

In this article, we'll use practical examples to define and demonstrate the concept of electrical balance. In particular, we’ll examine differential signals and coax currents.

The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable…

The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable effects, we first need to understand them.

This article explains how to estimate the dynamic range a vector network analyzer (VNA) needs for a given measurement,…

This article explains how to estimate the dynamic range a vector network analyzer (VNA) needs for a given measurement, then discusses four techniques for boosting the dynamic range to the required level.

Learn how bifilar coils can be used to build Gustav Guanella’s classic RF balun.

Learn how bifilar coils can be used to build Gustav Guanella’s classic RF balun.

Learn about the balun, a special type of transformer used in mixers, amplifiers, and signaling.

Learn about the balun, a special type of transformer used in mixers, amplifiers, and signaling.

Learn how a push-pull Class B amplifier functions, how to calculate its efficiency, and how its performance compares to…

Learn how a push-pull Class B amplifier functions, how to calculate its efficiency, and how its performance compares to the inductively-loaded Class A design.

How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers…

How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers in this article.

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.

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.

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.

Learn about slot antennas, namely their history, characteristics, and electromagnetic (EM) behavior for low-voltage,…

Learn about slot antennas, namely their history, characteristics, and electromagnetic (EM) behavior for low-voltage, small-form-factor electronic devices.

Quadrature networks convert a single input signal into two outputs with a 90-degree phase difference. This article…

Quadrature networks convert a single input signal into two outputs with a 90-degree phase difference. This article explains how to design quadrature networks using all-pass filters.

What is millimeter wave technology and how is it characterized compared to other lower-frequency technologies?

What is millimeter wave technology and how is it characterized compared to other lower-frequency technologies?

Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.

Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.

Learn how two methods of demodulation compare: synchronous demodulation and rectifier-type demodulation. Here we discuss…

Learn how two methods of demodulation compare: synchronous demodulation and rectifier-type demodulation. Here we discuss each method's advantages, drawbacks, and appropriate applications.