EDN

To bias or not bias: New audio output transistors make that decision easy

ThermalTrak integrates power output transistors with thermal bias diode. One of the major design concerns in the output section of a typical class AB audio amplifier is output bias and stability over ...
Hackaday

Retrotechtacular: Old Transistors

Transistors have come a long way. Like everything else electronic, they’ve become both better and cheaper. According to a recent IEEE article, a transistor cost about $8 in today’s money back in the ...
EDN

Audio lectures from 1960: High-frequency transistors

In 1960, many engineers were just starting to learn about transistors. Without an Internet, engineers relied on books, conference papers, and magazines to get technical information. In a series of ...
Electronic Design

Audio Transistors Handle 350V Collector To Emitter

Emerging as the industry's highest voltage bipolar transistors designed for audio amplifier output stages, the MJL4281A (NPN) and MJL4302A (PNP) 15A, 230W power transistors specify a sustained ...
Electronic Design

Monolithic GaN Power Transistor Half Bridge Operates Over 2 MHz, Ideal for Class-D Audio

EPC recently introduced the EPC2106, an enhancement-mode monolithic GaN transistor half bridge. By integrating two eGaN® power FETs into a single device, interconnect inductances and the interstitial ...
PBS

Lesson 4

In this lesson, students build two circuits and explore how transistors function. When Bell Labs introduced the transistor in June of 1948, a spokesman proudly announced "This cylindrical object . . .