Description
The Tektronix MDO4034B Series is the world’s first oscilloscope with a built in spectrum analyzer. This integration enables you to continue to use your debug tool of choice, the oscilloscope, to investigate frequency domain issues rather than having to find and re-learn a spectrum analyzer. However, the power of the Tektronix MDO4034B goes well beyond simply observing the frequency domain as you would on a spectrum analyzer. The real power is in its ability to correlate events in the frequency domain with the time domain phenomena that caused them.
When both the spectrum analyzer and any analog or digital channels are on, the Tektronix MDO/4034B 100 MHz Mixed Domain Oscilloscope’s display is split into two views. The upper half of the display is a traditional oscilloscope view of the Time Domain. The lower half of the display is a Frequency Domain view of the spectrum analyzer input. Note that the Frequency Domain view is not simply an FFT of the analog or digital channels in the Tektronix MDO4034B, but is the spectrum acquired from the spectrum analyzer input.
Another key difference is that with traditional oscilloscope FFTs, you can typically either get the desired view of the FFT display, or the desired view of your other time domain signals of interest, but never both at the same time. This is because traditional oscilloscopes only have a single acquisition system with a single set of user settings such as record length, sample rate, and time per division that drive all data views. But with the Tektronix MDO 4034B 100 MHz Mixed Domain Oscilloscope, the spectrum analyzer has its own acquisition system that is independent, but time correlated, to the analog and digital channel acquisition systems. This allows each domain to be configured optimally, providing a complete time correlated system view of all analog, digital, and RF signals of interest.
The spectrum shown in the Frequency Domain view is taken from the period of time indicated by the short orange bar in the time domain view – known as the Spectrum Time. With the Tektronix MDO-4034B 100 MHz Mixed Domain Oscilloscope, Spectrum Time can be moved through the acquisition to investigate how the RF spectrum changes over time. This can be done while the oscilloscope is live and running or on a stopped acquisition.
Tektronix MDO4034B Specifications:
- 4 analog channels models
- 16 digital channels
- MagniVu high-speed acquisition provides 60.6 ps fine timing resolution
- 1 spectrum analyzer channel
- 9 kHz to 3 GHz frequency range model
- Ultra-wide capture bandwidth ≥350 MHz
- Standard passive voltage probes with 3.9 pF capacitive loading and 500 MHz analog bandwidth
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