If you get the "Sorry, the file cannot be displayed. There seems to be a technical issue ..." error when trying to view an image, please make sure you access the site at http://w140.com/tekwiki/, not www.w140.com/tekwiki/ (with "www"). Sorry for the inconvenience - we are looking for a generic solution.


From TekWiki
Jump to: navigation, search

The Tektronix 4501 is a scan converter, an analog memory device with readout in the form of a composite TV signal. The R4501 is the rack-mount version.

It contains a Tek-produced 5" bistable storage tube. Effective resolution is 125×100.

The 4501 has a differential X/Y and intensity (Z) inputs and can produce either 525-line/60 Hz or 625-line/50 Hz video (monochrome).


please add