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 ...
Ars Technica

Replacing output transistors

My neighbor has a Marantz 2265b receiver that blew fuses as soon as it was powered up. I did a little research and discovered that the output tranistors on one channel were blown.<BR>From what I ...
Electronic Design

Power Transistors Warm Up To Thermal-Sensing Diodes

High-fidelity audio amplifiers consistently encounter a major hurdle: maintaining output bias while achieving thermal stability within the AB output section over the amp's full operating temperature ...
Electronic Design

GaN transistors, power amplifiers debut at IMS

San Francisco, CA. Qorvo at IMS 2016 highlighted several new products and features. The company debuted six new 50-V GaN transistors and said that its QPD1000 15-W GaN on SiC wideband input-matched ...
EDN

8-Ohm Power Amplifier with 60W Output

The simple circuit was built to create a power amplifier that would produce 60W under 8 ohms or 80W under 4 ohms load. Power Amplifier – a type of amplifier built and designed for the purpose of ...