A Class D audio amplifier is basically a switching amplifier or PWM amplifier. There are a number of different classes of amplifiers. We will take a look at the definitions for the main ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Like every other element in the professional AV sphere, digital audio has continued to advance at ...

Designers now have available a broad collection of instrumentation amplifier (in-amp) design circuits for dual supplies. However, there also is a growing use of the single-supply amps, especially in ...

How a paper substrate and biodegradable circuitry can be used for basic circuits. How the researchers fabricated and connected active and passive devices literally “on paper.” Details of their first, ...

Evaluating S-parameters and other CW stimulus responses is essential for characterising rf amplifiers. An rf vector network analyser (VNA) plays a critical role for this purpose, and proper ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. Last month I reported that classic British audio brand ...

There’s a hidden gem on eBay and Amazon: the Yuanjing 6N11 headphone amplifier. Out of the box it’s OK, maybe even above average. With a few modifications, it becomes a really great-sounding headphone ...

A guitar amp is an incredibly versatile tool that can take a bit of a learning curve to master. Understanding your amp’s controls and settings is essential to shaping your sound and bringing it to a ...