Skip to content
QA101B Mixed Signal Oscilloscope
QA150 High Side Current Sense Amp
QA350 Microvolt DC Volt Meter
QA401 Audio Analyzer
June 20, 2017
The QA401 software supports the ability to make swept measurements. You can even write your own measurements in DotNet (C++, C# or Visual Basic) an...
Simple Isolated +/-15V Split Rail
June 08, 2017
There are a lot of solutions out there for generating split +/-15V from a single DC voltage, but all are lacking in some way or another. Either the...
QA401 and USB Noise
March 12, 2017
The QA401 relies on USB power. This is a great convenience because it means setup and making a measurement is quick and easy. But not all USB power...
QA401 Update 1.50
January 26, 2017
We’ve had some features in the queue for a while on the QA401 that made it out in the 1.50 release. Remember, the goal with the QA401 isn’t the be-...
Ultra-low Current Measurements with the QA150
November 30, 2016
This post looks at how the QA101B Mixed Signal Oscilloscope and QA150 High Side Current Sense Amp can be used together to help the engineer underst...
ABX Testing and Distortion
September 03, 2016
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 ...