A tough challenge for test engineers is explored in terms of test methods, pitfalls, and measurement errors. For the test engineer, RF and microwave power amplifier testing imposes unique challenges.

For the PDF version of this article, click here. Designers of ac-dc power supplies often employ trimming potentiometers to calibrate out differential and common-mode errors introduced by tolerances in ...

Supplies dc current to 100 A and ac current up to 120 A at accuracies to 140 ppm Generates 3000 or 6000 A when using accessory coils Can output up to 360 A when three amplifiers are connected in ...