This project brief describes how to build a compact dual-channel power amplifier module that delivers 38 W per channel into 4-ohm speakers using…
This project brief describes how to build a compact dual-channel power amplifier module that delivers 38 W per channel into 4-ohm speakers using STMicroelectronics' STA540 audio amplifier IC.
Build an ultra-low-noise preamplifier with a JFE150 JFET and OPA202 op-amp, perfect for high-impedance sensors,…
Build an ultra-low-noise preamplifier with a JFE150 JFET and OPA202 op-amp, perfect for high-impedance sensors, hydrophones, guitar pickups, microphones, and turntables.
Using a graphical approach, we show that coherent SSB demodulation leaves the input and output SNR unchanged, then…
Using a graphical approach, we show that coherent SSB demodulation leaves the input and output SNR unchanged, then compare its noise performance to DSB-SC and baseband systems.
Visualizing how correlated and uncorrelated signals combine offers an intuitive look at power transformation. See how…
Visualizing how correlated and uncorrelated signals combine offers an intuitive look at power transformation. See how this difference boosts baseband power to double the output SNR.
Learn how to build a constant-bandwidth band-pass filter covering 20 kHz to 60 kHz, with an integrated frequency counter…
Learn how to build a constant-bandwidth band-pass filter covering 20 kHz to 60 kHz, with an integrated frequency counter for precise tuning.
In this article, we'll learn how to calculate the noise power and signal-to-noise ratio (SNR) of a double-sideband…
In this article, we'll learn how to calculate the noise power and signal-to-noise ratio (SNR) of a double-sideband suppressed-carrier communication system.
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.
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.
Also known as the source follower, the common-drain amplifier is notable for its low output impedance. This article…
Also known as the source follower, the common-drain amplifier is notable for its low output impedance. This article introduces the basic common-drain configuration and examines its large-signal characteristics.
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow…
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.
To avoid distortion and slow transitions in an operational amplifier's output signal, it's important to understand slew…
To avoid distortion and slow transitions in an operational amplifier's output signal, it's important to understand slew rate. In this article, we examine its causes and effects.
Learn about the characteristics and limitations of an operational amplifier’s output voltage range.
Learn about the characteristics and limitations of an operational amplifier’s output voltage range.
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