DescriptionTektronix digitizing plug-in 7D20 for 7000 mainframe oscilloscope.jpg
English: The 7D20 uses an analog shift register (CCD) for high-speed signal acquisition, and then digitizes the stored analog signal at a lower speed. This design allows the 7D20 to capture single-shot events at 40 MSamples/s even though this exceeded the speed of ADCs of the time. The 7D20 can digitally store waveforms and has a GPIB interface. A microprocessor (68B09) in the plug-in controls most of its functions.
Produced from 1982 to 1992.
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