Latest Amplifiers Technical Articles

Learn how to get faster composite op-amp dynamics by raising the slew rate.

Learn how to get faster composite op-amp dynamics by raising the slew rate.

This is Part 3 of the series of articles about composite amplifiers. In this section, we are going to show how to achieve…

This is Part 3 of the series of articles about composite amplifiers. In this section, we are going to show how to achieve faster op-amp dynamics by expanding the frequency bandwidth.

Learn how simulating a voltage buffer can help you implement it more effectively to boost the output current drive of an op-amp.

Learn how simulating a voltage buffer can help you implement it more effectively to boost the output current drive of an op-amp.

In the first part of this series on composite amplifiers, we'll investigate one method of boosting an op-amp’s output…

In the first part of this series on composite amplifiers, we'll investigate one method of boosting an op-amp’s output current drive capability.

In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the…

In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the ADC SNR requirement for this application.

This article will discuss the basic idea behind the synchronous demodulation technique.

This article will discuss the basic idea behind the synchronous demodulation technique.

In this first part of a series of articles, we investigate the role of the op-amp’s gain-bandwidth product (GBP).

In this first part of a series of articles, we investigate the role of the op-amp’s gain-bandwidth product (GBP).

Learn about one of the only audio filter topologies out there, the Moog filter!

Learn about one of the only audio filter topologies out there, the Moog filter!

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.

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.

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.

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.