If you’ve wondered what a preamplifier is, what it exactly does, and whether your audio setup is missing one, we’ve got the ...

A variety of headphone amplifier types are available, but little guidance is provided in their selection. This article discusses the types available, and covers their relative strengths and weaknesses ...

A class-A amplifier is defined as an amplifier that is biased so that the output current flows at all times. Thus, the input signal-drive level to the amplifier is kept small enough to avoid driving ...

If you didn’t know better, you might think the phrase “class A amplifier” was a marketing term to help sell amplifiers. But it is, of course, actually a technical description of an amplifier that ...

Accurately measuring current flow is a standard requirement in several applications (Fig. 1). Depending on the specific need, the options available to designers can include discrete designs assembled ...

Amplification isn’t a difficult concept. You start with a small RF or microwave signal and make it into a large one. Ideally, you wouldn’t be able to distinguish between the two signals except by ...

It’s been a few years since we released Episode Attack of the Clone Processors, so I thought it was about time for a sequel. To my surprise, cloning is more popular than ever. The Cloning fad has ...

Audioengine modernizes their new N22 Mini Desktop Amplifier with Class D, Bluetooth aptX and the convenience of USB Type-C inputs. Audioengine has introduced a $269 desktop integrated amplifier that ...