EDN

ON Semi’s output audio transistors eliminate thermal lag and bias in high-fidelity amps

Phoenix, Ariz. — Today On Semiconductor is using the International Consumer Electronics Showcase (CES) in Las Vegas to show off a new family of output audio transistors with internal bias control that ...
Audioholics

The Peachtree Audio GaN400: A New Breed of Class D Amplification

Peachtree Audio’s GaN400 stereo power amp ($3,000) blazes new trails for Class D amplification. The amp uses cutting-edge GaNFET transistors in its output stage, delivering a massive 400wpc! Read on.
Electronic Design

Why is Quiescent Current So Important in Class D Amps? (Download)

Back in the day (1970s), audio amplifiers like the Phase Linear 700 were designed with discrete power-transistor components. Huge audio power transistors like the 2N3055 and others back then were ...
EDN

2 Channel Audio Mixer using Transistors

This 2 channels audio mixer is based on the 2n3904 transistors which forms 2 pre-amplifiers. The first preamplifier of the audio mixer has a high gain and can be used for microphone input, and the ...
Electronic Design

Silicon-Based Quantum-Junction Power Transistors Demonstrate WBG-Like Performance

The term "quantum junction transistors" (QJTs) may conjure images of dilithium crystals, flux capacitors, and other imaginary power technologies, but an early demonstration run of Nottingham-based ...