The NanoVNA made network analyzers cheap enough for almost everyone. Now you can get a $49 spectrum analyzer to go with it. Is it worth it? Watch [IMSAI Guy]’s video after the break for his opinion.

The new electromagnetic interference (EMI) test receivers offer versatility beyond EMI measurements to meet these needs by ...

This spectrum analyzer project seeks to improve the quality of tools available to amateur radio operators. A lot of thought has gone into the design, and those details are shared in the verbose ...

Addressing this issue, Yokogawa Test & Measurement recently released the AQ6361 optical spectrum analyzer (OSA). It's designed predominantly to perform production testing of datacom and telecom ...