If you get the "Sorry, the file cannot be displayed. There seems to be a technical issue ..." error when trying to view an image, a workaround is to click on the cog icon in the upper right side of the media viewer, and then select "Disable Media Viewer". We are aware of the problem and are looking for a solution.


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Tektronix 492AP

The Tektronix 492 is a portable, stand-alone Spectrum Analyzer introduced in 1980 that covers 50 kHz to 21 GHz.

The 492A/492AP update models were introduced in 1987.

492P and AP/BP have a GPIB interface.


please add



  • Option 1: Digital memory
  • Option 2: Pre-selector
  • Option 3: Phase lock at narrow spans