The pains he went to to get the spectrum analyzer working, including a deep dive into FFT, are impressive. The results speak for themselves on this one, and hats off to [Rodmg] for the effort and ...

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.

For example, whereas an oscilloscope would show total noise level, a spectrum analyzer would show the noise as related to frequency. Available in both analog and digital models, digital analyzers ...

The swept-tuned spectrum analyzer is commonly used by RF communication technicians, engineers, and amateurs. This type analyzer is a superheterodyne receiver with special circuits and characteristics ...