Latest Communication Articles and Videos

This article explains how Type-2 PLLs with an integrator loop filter outperform Type-1 systems. To do so, we'll examine…

This article explains how Type-2 PLLs with an integrator loop filter outperform Type-1 systems. To do so, we'll examine the PLL behavior for frequency step and frequency ramp inputs.

In this article, we derive design equations for a second-order PLL with a lag-lead filter by examining its Bode plots.

In this article, we derive design equations for a second-order PLL with a lag-lead filter by examining its Bode plots.

In this article, we evaluate the designs of two simple frequency synthesizers to learn how a second-order PLL with a lag…

In this article, we evaluate the designs of two simple frequency synthesizers to learn how a second-order PLL with a lag filter can provide a faster rise time than a first-order PLL.

Higher-order PLLs are more commonly used than first-order PLLs. To explain why, we explore the first-order PLL's behavior…

Higher-order PLLs are more commonly used than first-order PLLs. To explain why, we explore the first-order PLL's behavior in response to two inputs: a frequency step and frequency ramp.

In this article, we'll use the linearized model of a first-order PLL to understand its response to a simple input change.…

In this article, we'll use the linearized model of a first-order PLL to understand its response to a simple input change. We'll then use Matlab simulations to visualize the signals.

In this Tech Guide from Mouser Electronics, explore how the Qorvo QPF5001 Dual-Channel 12W Transmit/Receive Module…

In this Tech Guide from Mouser Electronics, explore how the Qorvo QPF5001 Dual-Channel 12W Transmit/Receive Module simplifies high-performance X-band RF design with integrated PA, LNA, and built-in limiter in a compact 6 mm × 5 mm package. Watch now to get started!

In this article, we'll use a nonlinear mathematical model to improve our understanding of how a first-order PLL locks to a signal.

In this article, we'll use a nonlinear mathematical model to improve our understanding of how a first-order PLL locks to a signal.

The phase-locked loop (PLL) is widely used in contemporary analog and digital communication systems. In this article, we…

The phase-locked loop (PLL) is widely used in contemporary analog and digital communication systems. In this article, we develop a nonlinear model for the analog PLL by analyzing its key components.

Learn how advanced RF MEMS switches with high linearity, low loss, and fast switching speeds are enabling modern cellular…

Learn how advanced RF MEMS switches with high linearity, low loss, and fast switching speeds are enabling modern cellular communication systems.

PLL demodulators are popular, easy to implement, and offer superior noise performance compared to many other FM…

PLL demodulators are popular, easy to implement, and offer superior noise performance compared to many other FM demodulator circuits. Learn how they operate in this article.

Learn how an analog multiplier or AND gate can function as a quadrature detector for FM demodulation.

Learn how an analog multiplier or AND gate can function as a quadrature detector for FM demodulation.

Learn how the Foster-Seeley discriminator, a classic analog circuit for FM demodulation, achieves its superior linearity.

Learn how the Foster-Seeley discriminator, a classic analog circuit for FM demodulation, achieves its superior linearity.

In this article, we'll analyze the single-tuned discriminator for FM-to-AM conversion. We'll then discuss the balanced…

In this article, we'll analyze the single-tuned discriminator for FM-to-AM conversion. We'll then discuss the balanced discriminator and how it provides improved linearity across a wider bandwidth.

In this article, we will examine the basic principles of FM demodulation through the simplest frequency discriminator: a…

In this article, we will examine the basic principles of FM demodulation through the simplest frequency discriminator: a differentiator.

In this article, we'll solidify our understanding of the reactance modulator and Armstrong modulator circuits by working…

In this article, we'll solidify our understanding of the reactance modulator and Armstrong modulator circuits by working through a series of design problems.

This article explores the concept of indirect FM generation and the basic operation of the Armstrong modulator.

This article explores the concept of indirect FM generation and the basic operation of the Armstrong modulator.

In this article, we examine two different methods of producing wideband FM signals. Both use crystal oscillators to…

In this article, we examine two different methods of producing wideband FM signals. Both use crystal oscillators to provide improved frequency stability.

In this article, we explore the limitations of LC oscillators for direct FM generation and how to deal with them using…

In this article, we explore the limitations of LC oscillators for direct FM generation and how to deal with them using multipliers and automatic frequency control (AFC) circuits.

In this roundup, we spotlight small, medium, and large antenna announcements fortifying communication across industries,…

In this roundup, we spotlight small, medium, and large antenna announcements fortifying communication across industries, from drones to satellites.