Latest Amplifiers Technical Articles

In this article, we explore the operation of a Class D stage with a capacitive load and how it can be used in piezo…

In this article, we explore the operation of a Class D stage with a capacitive load and how it can be used in piezo amplifier design.

We examine the basic requirements of piezoelectric amplifiers and how Class AB operation can meet them.

We examine the basic requirements of piezoelectric amplifiers and how Class AB operation can meet them.

This article explores the operation of the Gilbert-cell phase detector for both small and large signals.

This article explores the operation of the Gilbert-cell phase detector for both small and large signals.

This project turns old-school analog ammeters into a working clock that can also display the ambient temperature.

This project turns old-school analog ammeters into a working clock that can also display the ambient temperature.

This article explores the Gilbert cell, a widely used analog multiplier circuit.

This article explores the Gilbert cell, a widely used analog multiplier circuit.

This article explores the effect of signal bandwidth on the linearity of power amplifiers, including the impacts of…

This article explores the effect of signal bandwidth on the linearity of power amplifiers, including the impacts of cascaded RF gain stages.

In this article, we’ll use phasor diagrams to compare narrowband FM and conventional AM. We’ll also discuss the…

In this article, we’ll use phasor diagrams to compare narrowband FM and conventional AM. We’ll also discuss the problem of oscillator phase noise and work through an example problem.

Using the third-order intercept point (IP3) metric, we examine how the nonlinearity of individual gain stages in a…

Using the third-order intercept point (IP3) metric, we examine how the nonlinearity of individual gain stages in a cascaded RF system affects the linearity performance of the cascade as a whole.

Gain compression causes power systems to transition from linear to nonlinear operation. Learn how the 1 dB compression…

Gain compression causes power systems to transition from linear to nonlinear operation. Learn how the 1 dB compression point is used to define the limits of linear operation.

We explore the basic concepts of analog predistortion for linearizing RF amplifiers and review some common implementations.

We explore the basic concepts of analog predistortion for linearizing RF amplifiers and review some common implementations.

Learn about an important design technique for high-power RF transmitters: feed-forward linearization, which operates on…

Learn about an important design technique for high-power RF transmitters: feed-forward linearization, which operates on the principle of distortion signal cancellation.

This article highlights a selection of circuits used for amplitude modulation, including a switching modulator built with…

This article highlights a selection of circuits used for amplitude modulation, including a switching modulator built with just one diode and a circuit that incorporates a Class C power amplifier.

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.