Latest Amplifiers Articles and Videos

Learn how anti-parallel diodes protect Class D amplifiers from the effects of reactive loads and inductive kickback.

Learn how anti-parallel diodes protect Class D amplifiers from the effects of reactive loads and inductive kickback.

In this article, we'll learn the basics of switching-mode RF amplifiers in general and Class D amplifiers in particular.

In this article, we'll learn the basics of switching-mode RF amplifiers in general and Class D amplifiers in particular.

In this article, we explore the drawbacks of Class C operation through a performance comparison with Class A and Class B…

In this article, we explore the drawbacks of Class C operation through a performance comparison with Class A and Class B amplifiers.

The common-drain amplifier is a single-stage configuration that uses the gate as its input and the source as its output.…

The common-drain amplifier is a single-stage configuration that uses the gate as its input and the source as its output. Learn about its small-signal characteristics in this article.

Also known as the source follower, the common-drain amplifier is notable for its low output impedance. This article…

Also known as the source follower, the common-drain amplifier is notable for its low output impedance. This article introduces the basic common-drain configuration and examines its large-signal characteristics.

This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow…

This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.

To avoid distortion and slow transitions in an operational amplifier's output signal, it's important to understand slew…

To avoid distortion and slow transitions in an operational amplifier's output signal, it's important to understand slew rate. In this article, we examine its causes and effects.

Learn about the characteristics and limitations of an operational amplifier’s output voltage range.

Learn about the characteristics and limitations of an operational amplifier’s output voltage range.

In this article, we learn about the frequency response of the MOSFET common-source amplifier by examining its s-domain…

In this article, we learn about the frequency response of the MOSFET common-source amplifier by examining its s-domain transfer function.

In this article, we cover the basic behavior of the MOSFET common-source amplifier with different types of load.

In this article, we cover the basic behavior of the MOSFET common-source amplifier with different types of load.

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.

As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by…

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.

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.

The small-signal characteristics of MOSFETs play an important role in analog IC design. In this article, we learn how to…

The small-signal characteristics of MOSFETs play an important role in analog IC design. In this article, we learn how to model MOS transistors' small-signal behaviors.

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.

75 years ago, one of the biggest electronics firms of the century got its start in a Palo Alto, California, garage—and…

75 years ago, one of the biggest electronics firms of the century got its start in a Palo Alto, California, garage—and it did so with the help of Mickey Mouse.

Learn how an inductively-loaded common-emitter stage can function as a power amplifier.

Learn how an inductively-loaded common-emitter stage can function as a power amplifier.

On this Christmas day, let’s remember that this is a people business. Enjoy this round up of 2023 articles about people…

On this Christmas day, let’s remember that this is a people business. Enjoy this round up of 2023 articles about people that performed extraordinary engineering work throughout history.

RF amplifier design is a challenging task, involving trade-offs between linearity, efficiency, gain, and output power.…

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.