Latest Audio Technical Articles

Modeling hysteresis in SPICE can be difficult when you're dealing with a multivalued transfer function. In this article,…

Modeling hysteresis in SPICE can be difficult when you're dealing with a multivalued transfer function. In this article, we'll teach you a way to "cheat" to get around this issue.

Need a low-distortion ADC interface? In this article, we'll discuss how to reduce 2nd harmonic distortion by using…

Need a low-distortion ADC interface? In this article, we'll discuss how to reduce 2nd harmonic distortion by using symmetric PCB layout.

While semiconductor devices make possible the lightweight 'gadgets' we enjoy, our electronic world was built on devices…

While semiconductor devices make possible the lightweight 'gadgets' we enjoy, our electronic world was built on devices that operated on a different scale. Let's take a look at vacuum tubes!

This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.

This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.

In this article, we’ll continue our discussion of an LTspice circuit that helps us to predict how offset-voltage…

In this article, we’ll continue our discussion of an LTspice circuit that helps us to predict how offset-voltage variations will influence circuit performance.

In this article, we’ll create an LTspice circuit for analyzing the effect of unpredictable offset voltage on the…

In this article, we’ll create an LTspice circuit for analyzing the effect of unpredictable offset voltage on the performance of a precision current-source circuit.

In this article, we will use simulations to assess important aspects of the performance of an op-amp-based current source.

In this article, we will use simulations to assess important aspects of the performance of an op-amp-based current source.

In this article, we will review the different types of noise that are present in a circuit. We will also discuss how to…

In this article, we will review the different types of noise that are present in a circuit. We will also discuss how to perform an accurate simulation of an EMC filter with LTspice.

This article discusses a voltage-controlled current-source circuit that requires only two op-amps and a handful of resistors.

This article discusses a voltage-controlled current-source circuit that requires only two op-amps and a handful of resistors.

This article discusses Bessel’s correction, which helps us to more accurately estimate the standard deviation of…

This article discusses Bessel’s correction, which helps us to more accurately estimate the standard deviation of certain parameters and of long-duration signals.

This article discusses three descriptive statistical measures from the perspective of signal-processing applications.

This article discusses three descriptive statistical measures from the perspective of signal-processing applications.

This article is a general guideline on the main aspects of commercially-available amplifiers.

This article is a general guideline on the main aspects of commercially-available amplifiers.

In this article, we briefly review how the Laplace transform can help us solve circuits involving damped and steady-state…

In this article, we briefly review how the Laplace transform can help us solve circuits involving damped and steady-state sinusoidal signals.

This article discusses the theory fundamentals of lock-in amplifiers.

This article discusses the theory fundamentals of lock-in amplifiers.

The concept of dynamic range appears frequently in engineering discussions. But what exactly does this term mean? And how…

The concept of dynamic range appears frequently in engineering discussions. But what exactly does this term mean? And how does it apply to electronic circuits and systems?

This article introduces an important specification for light-sensitive devices and explains its connection to the…

This article introduces an important specification for light-sensitive devices and explains its connection to the performance of digital cameras.

This article explains how CCD construction, operating parameters, and external signal-processing circuitry contribute to…

This article explains how CCD construction, operating parameters, and external signal-processing circuitry contribute to the maximum variation in luminance that CCD imaging hardware can capture.

This article examines an important aspect of the Nyquist–Shannon sampling theorem and explains its connection to the…

This article examines an important aspect of the Nyquist–Shannon sampling theorem and explains its connection to the need for anti-aliasing filters in analog-to-digital conversion.

This article continues our series on sampling theory by explaining the importance of oversampling in real-life…

This article continues our series on sampling theory by explaining the importance of oversampling in real-life mixed-signal systems.