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

Audio output transistors eliminate thermal lag, bias trimming

Offered in a 5-lead TO-264 package, the 15-A NJL1302D (pnp) and NJ3281D (npn) ThermalTrak bipolar power transistors incorporate an internal thermally matched bias diode to eliminate warm-up time, ...
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 ...
Embedded

Matching and tuning audio amplifier output stability and sound performance.

This “Product How-To” article focuses how to use a certain product in an embedded system and is written by a company representative. Audio amplifier products are becoming more and more advanced in ...
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 ...