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.

Because test setups often are experimental in nature, the amplifier providing the test signal may accidentally drive into an open or short. Of course, if the DUT does not present a good 50-? load, the ...

As many of you are aware, I am not champion of the classic 1kHz instantaneous distortion vs power all channels driven test popularized by most of the major audio magazines as an accurate way of ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...