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Mixed Domain Oscilloscope

Comprehensive insight into analog, digital and RF perspectives with one instrument

Mixed domain oscilloscopes have the ability to display signals in both the time and frequency domains. In the time domain, they can display synchronized analog waveforms, digital waveforms, and decoded serial protocols. For frequency domain analysis, they include an integrated spectrum analyzer signal path.

Mixed Domain Oscilloscopes have all of the capabilities of a mixed signal oscilloscope and more:

  • 16 digital channels for mixed signal debug
  • Automated serial bus decoding and triggering
  • Versatile triggering, long record length, and easy waveform navigation and search
  • Built-in spectrum analyzer hardware
  • Built-in arbitrary/function generator

A dedicated Spectrum Analyzer input and signal path give these instruments a guaranteed dynamic range 10 to 15 dB better than a typical scope input channel, and front panel controls provide quick access to spectrum analyzer functions.

In addition, the MDO4000C Series captures synchronized analog, digital and RF signals for a complete, time-correlated view of your system.

Mixed Domain Oscilloscopes let you see your signals from an analog, digital and RF perspective with one, highly-integrated instrument.

View our full line of oscilloscopes »

Find the Right Mixed Domain Oscilloscope

With two performance levels, you're sure to find the MDO that fits your workload.

MDO3000 Series

MDO3000 Series Oscilloscope  MDO4000C Series Oscilloscope
100 MHz to 1 GHzAnalog Bandwidth200 MHz to 1 GHz
2 or 4 analog
+ optional 16 digital
Channel Count4 analog
+ optional 16 digital
10 MpointsRecord Length20 Mpoints
Up to 3 GHz
Switch between oscilloscope & spectrum analyzer modes
Spectrum AnalyzerUp to 6 GHz
Synchronized time & frequency analysis
50 MHz max frequencyArbitrary / Function Generator50 MHz max frequency
121.2 psLogic Analyzer Timing Resolution60.6 ps

Application Notes and Technical Information

MDO How it Works
Look inside a Mixed Domain Oscilloscope to see how it acheives its spectrum analyzer performance, including high dynamic range and exceptionally high capture bandwidth with dedicated hardware and algorithms.

MDO Signal Path Teardown Poster
MDO4000 and MDO3000 Mixed Domain Oscilloscopes deliver uncompromised oscilloscope performance combined with spectrum analyzer performance on par with standalone spectrum analyzers. But how do they do it? The answer lies in Tektronix’ custom ASICs, a dedicated RF signal path and tight integration.

Fundamentals of the MDO4000 Series Mixed Domain Oscilloscope
Learn how a Mixed Domain Oscilloscope (MDO) offers time-correlated analog, digital, and RF signal acquisition for a complete system view. Discover the benefits of seeing both the time and frequency domains in one glance, and the advantages of viewing the RF spectrum changes over time.