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.

Today’s mobile handsets contain an increasing number of radios and support new wireless standards that utilize wider bandwidths. As a result, handsets also contain power amplifiers that are becoming ...

Download an Excel spreadsheet for calculating C COMP. In previous installments, we covered some of the basic tests and identified the sources of errors that occur when designing and testing ...

The switching amplifier, or class D amplifier, has risen quickly to prominence in consumer audio applications, from MP3 devices including mobile phone handsets to games consoles, LCD-TVs, and home ...

This article started because a good friend of mine dropped a Panasonic SA-XR50 switch-mode amplifier to me for some basic bench test. This article will NOT be a review of that unit, but an ...