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 ...
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 ...
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 ...
Ars Technica

Help me fix my amplifier- it has a blown output transistor, how do I tell which one it is?

There appears to be 16 large transisitors which were mounted to the heatsink of this amplifier. It is a Planet Audio 4 channel car audio amp. From some quick Google searching, it looks like I should ...
ecoustics

Power Amplifiers: Ten Things You Always Wanted to Know

Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...
Electronic Design

Class AB Op Amps: The Solution for Low-Iq Audio

Different classes of amplifiers. What are the benefits of class AB amplifiers? Patents that address the quiescent current of class AB amps. Amplifiers have many classifications, and each class has its ...