In the undergraduate active-circuits course in electronics engineering, the analysis of circuits is simplified, as it must be for introductory presentation. One of the simplifications that is often ...

The distortion performance of an amplifier is determined not only by open loop linearity, but also the negative feedback factor applied when the loop is closed. In most practical circumstances ...

The Emotiva XPA-2 is a two-channel amplifier is one of the most powerful, highest value amplifiers we've reviewed to date. It is a lone wolf in a pasture of sheepish amplifiers. Power output: 250 ...

Back in 2007, Vancouver's Radial Engineering launched a rack-mounted device called the JX44 Air Control which provided guitarists with a quick and easy way to control instruments, effects and ...

Marked: "Atwater Kent / Phila. Type TA / [AK logo] / Patent Pending / 2-Stage Amplifier". A two-stage audio frequency amplifier with transformers mounted within the unit. Bakelite top with metal frame ...

Despite all of the justified attention given to the part of gigahertz spectrum ranging from upper single-digit, lower double-digit, and even higher frequencies, there’s still lots of important ...