Blog Entries

ABX Testing and Distortion

ABX Testing and Distortion

Intro ABX testing is a way to compare two similar versions of something, in this case sound. The user is presented with an audio stream called the ...
First Look: Evaluating Class D Power Amps with the QA401

First Look: Evaluating Class D Power Amps with the QA401

Texas Instruments has been in the Class D power amp business for a while. And it shows. Like most tech, Class D first arrived as a solution in sear...
QA40x and IMD Measurements

QA40x and IMD Measurements

Intro We will look into adding the ability to make automatic IMD (Inter-Modulation Distortion) measurements on the QA400 at some point in the futur...