The relationship between the noise floor of the spectrum analyzer and the internal ATT.
[Application Example] This explains the relationship between the noise floor of the spectrum analyzer and the internal attenuator (ATT).
【Product Introduction】 ■ Signal Analyzer MSA500 Series Equipped with both real-time method using Fast Fourier Transform (FFT) and traditional sweeping method. Both methods can leverage their respective advantages. ■ Spectrum Analyzer MSA400 Series Compact and lightweight. A full-fledged spectrum analyzer with performance and functionality that rivals large bench-type models. When a signal above an appropriate level is applied to the mixer input, saturation can cause harmonic distortion and spurious signals, making accurate measurements impossible. To prevent this, an internal ATT is inserted before the mixer.
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