Latest Amplifiers Articles and Videos

This article is an intuitive introduction to the statistical nature of noise and the basic calculations required to…

This article is an intuitive introduction to the statistical nature of noise and the basic calculations required to combine noise sources in a circuit.

What is filtering? Learn what resistor-capacitor (RC) low-pass filters are and where you can use them.

What is filtering? Learn what resistor-capacitor (RC) low-pass filters are and where you can use them.

This article presents Scilab code that allows you to generate I/Q, noise, and chirp signals from your PC’s headphone jack.

This article presents Scilab code that allows you to generate I/Q, noise, and chirp signals from your PC’s headphone jack.

This article discusses a technique in which frequency-domain subtraction is used to selectively suppress the noise…

This article discusses a technique in which frequency-domain subtraction is used to selectively suppress the noise components in an audio signal.

This article is an introduction to the complex topic of DSP-based reduction of noise in audio signals.

This article is an introduction to the complex topic of DSP-based reduction of noise in audio signals.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

Learn how to build your own Class D power amplifier—one of the most efficient ways to listen to music.

This article will look at some of the most important features of the AD7768-1, a new ADC from Analog Devices that is…

This article will look at some of the most important features of the AD7768-1, a new ADC from Analog Devices that is intended for low-power data acquisition (DAQ) designs.

The Blomley amplifier was designed over forty years ago, is an alternative power amplifier design that suffers virtually…

The Blomley amplifier was designed over forty years ago, is an alternative power amplifier design that suffers virtually no distortion, and provides a sound which has the presence often lacking in conventional amplifiers.

This article, part of AAC’s Analog Circuit Collection, explores a handy circuit that can generate sustained sinusoidal…

This article, part of AAC’s Analog Circuit Collection, explores a handy circuit that can generate sustained sinusoidal oscillations.

While it can be challenging to design electronic versions of precision tools, in this Industry Article we design an…

While it can be challenging to design electronic versions of precision tools, in this Industry Article we design an electronic level that matches the features of a conventional tool.

There is a trend beginning for a whole new network of smart devices to listen and respond to requests for all rooms of…

There is a trend beginning for a whole new network of smart devices to listen and respond to requests for all rooms of your smart home so you don't have to hear "I'm sorry, I didn't get that" anymore.

In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.

In this article, we’ll look at a fairly straightforward circuit that enables a robot or other device to detect sound.

In this teardown, we examine the Lepy LP-168 Hi-Fi Stereo USB Audio Amplifier with Bluetooth, by NKTECH.

In this teardown, we examine the Lepy LP-168 Hi-Fi Stereo USB Audio Amplifier with Bluetooth, by NKTECH.

You can simplify and improve the performance of your audio circuits with amplifier ICs such as the SSM6322.

You can simplify and improve the performance of your audio circuits with amplifier ICs such as the SSM6322.

This article defines 1/f noise and goes over ways to reduce or eliminate it in precision measurement applications.

This article defines 1/f noise and goes over ways to reduce or eliminate it in precision measurement applications.

Learn about the basics of audio electronics, which convert sound signals into electrical signals, process these…

Learn about the basics of audio electronics, which convert sound signals into electrical signals, process these electrical signals, and convert them back into sound.

Harmonic distortion can be introduced to audio amplifiers from many sources but reduced to levels below the threshold of…

Harmonic distortion can be introduced to audio amplifiers from many sources but reduced to levels below the threshold of human hearing.

THD of an audio system can be easily measured, but because the ultimate output of an audio system is a sound for humans…

THD of an audio system can be easily measured, but because the ultimate output of an audio system is a sound for humans to hear, human perception plays a role in determining what to do about THD.

This article will introduce approaches for determining the root causes of spur issues in high-resolution precision ADC…

This article will introduce approaches for determining the root causes of spur issues in high-resolution precision ADC applications and present solutions to solve them.