Latest Audio Technical Articles

In this article, we'll illustrate the usefulness of Carson's rule for bandwidth estimation by working through a series of…

In this article, we'll illustrate the usefulness of Carson's rule for bandwidth estimation by working through a series of example problems.

In this article, we'll investigate how varying the amplitude and frequency of the modulating tone impacts the bandwidth…

In this article, we'll investigate how varying the amplitude and frequency of the modulating tone impacts the bandwidth of FM signals. We'll also compare the modulation index in AM and FM schemes.

Learn about a classic amplitude modulation (AM) technique that’s been used in voice transmission for nearly a century.

Learn about a classic amplitude modulation (AM) technique that’s been used in voice transmission for nearly a century.

In Part 2 of this two-part series, we turn our hardware assembly into a functioning soundboard by adding the necessary…

In Part 2 of this two-part series, we turn our hardware assembly into a functioning soundboard by adding the necessary code in Arduino IDE and uploading soundbites.

Learn how to turn an ATmega328 microcontroller and an assortment of readily available parts into a dedicated hardware soundboard.

Learn how to turn an ATmega328 microcontroller and an assortment of readily available parts into a dedicated hardware soundboard.

Among modulator circuits, the ring modulator stands out as one of the most effective for generating AM signals. Learn why…

Among modulator circuits, the ring modulator stands out as one of the most effective for generating AM signals. Learn why in this article.

Learn how the balanced modulator addresses shortcomings of the square-law modulator when generating DSB-SC and…

Learn how the balanced modulator addresses shortcomings of the square-law modulator when generating DSB-SC and conventional AM signals.

In this project article, we'll use a 555 timer IC to build an iconic musical instrument from the early days of synthesizers.

In this project article, we'll use a 555 timer IC to build an iconic musical instrument from the early days of synthesizers.

Learn about the advantages and disadvantages of DSB-SC amplitude modulation.

Learn about the advantages and disadvantages of DSB-SC amplitude modulation.

In this article, we discuss the basics of RF modulation and how it affects the performance of communication systems.

In this article, we discuss the basics of RF modulation and how it affects the performance of communication systems.

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’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.