Mixed Domain Oscilloscopes (MDOs) combine traditional Digital Storage Oscilloscope features with the capabilities of a Spectrum Analyzer. Modern designs are blurring the traditional lines between analog, digital, RF and power systems. A mixed domain oscilloscope (MDO) combines the technology of a modern mixed signal oscilloscope with spectrum analyzer hardware and software to provide a complete set of capabilities for measuring highly integrated designs.
While entering the spectrum mode, a Mixed Domain Oscilloscope will display a screen of frequency domain. Users can input Span, Center, Start and Stop frequency based upon test requirements so as to rapidly and intuitively observe the required frequency range that allows users to experience the user interface of a traditional spectrum analyzer. While observing the frequency domain display on a Mixed Domain Oscilloscope, engineers can observe waveform characteristics, which are not easily seen from time domain waveforms. For instance, the harmonic composition of a waveform and the frequency characteristics of a modulation signal can be viewed on an MDO.
Compared with the FFT of a normal oscilloscope, this Mixed Domain Oscilloscope allows engineers to effectively conduct signal measurements on frequency domain.