Latest Amplifiers Technical Articles

In this article, we discuss a tuning method designed specifically for Class E RF amplifiers.

In this article, we discuss a tuning method designed specifically for Class E RF amplifiers.

Learn how to design and verify analog circuits using SLiCAP, a Python-based symbolic simulator program.

Learn how to design and verify analog circuits using SLiCAP, a Python-based symbolic simulator program.

In this article, we examine how non-zero switch transition times impact the efficiency of a Class E power amplifier.

In this article, we examine how non-zero switch transition times impact the efficiency of a Class E power amplifier.

In this article, we examine the filtering requirements of Class E power amplifiers with less-than-ideal Q-factors.

In this article, we examine the filtering requirements of Class E power amplifiers with less-than-ideal Q-factors.

In this article, we analyze the operation of the Class E amplifier and examine the underlying assumptions of its design equations.

In this article, we analyze the operation of the Class E amplifier and examine the underlying assumptions of its design equations.

Designing a Class E RF amplifier? Learn how to choose the correct level of damping and calculate the optimum component…

Designing a Class E RF amplifier? Learn how to choose the correct level of damping and calculate the optimum component values for your circuit.

Class E RF amplifiers are designed to produce switch waveforms with a specific set of characteristics. In this article,…

Class E RF amplifiers are designed to produce switch waveforms with a specific set of characteristics. In this article, we discuss the advantages and limitations of these waveforms.

Learn how Class E amplifiers improve on the efficiency of Class D amplifiers at RF frequencies.

Learn how Class E amplifiers improve on the efficiency of Class D amplifiers at RF frequencies.

In this article, we’ll learn about the transformer-coupled current-switching Class D amplifier. Once we understand its…

In this article, we’ll learn about the transformer-coupled current-switching Class D amplifier. Once we understand its operation, we'll compare its performance with two voltage-switching Class D configurations.

In this article, we'll learn how the transformer-coupled voltage-switching Class D amplifier works and highlight some of…

In this article, we'll learn how the transformer-coupled voltage-switching Class D amplifier works and highlight some of its advantages.

In this article, we'll learn about two important non-idealities of Class D power amplifiers and how they affect performance.

In this article, we'll learn about two important non-idealities of Class D power amplifiers and how they affect performance.

With the help of SPICE simulations, this article explores the impact of diode reverse recovery on Class D amplifier performance.

With the help of SPICE simulations, this article explores the impact of diode reverse recovery on Class D amplifier performance.

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.

In this article, we use a SPICE model for 90 nm CMOS to plot key electrical relationships of an NMOS transistor.

In this article, we use a SPICE model for 90 nm CMOS to plot key electrical relationships of an NMOS transistor.

SPICE models designed for specific CMOS process nodes can enhance simulations of integrated-circuit transistors. Learn…

SPICE models designed for specific CMOS process nodes can enhance simulations of integrated-circuit transistors. Learn where to find these models and how to use them.