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|introduced=1975 | |introduced=1975 | ||
|discontinued=(?) | |discontinued=(?) | ||
|summary=NTSC | |summary=NTSC vectorscope | ||
|designers= | |designers=John Horn; | ||
|manuals= | |manuals= | ||
* [https://archive.org/details/070-2032-00 Tektronix 1420/1421/1422 Manual] | * [https://archive.org/details/070-2032-00 Tektronix 1420/1421/1422 Manual] | ||
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* [https://archive.org/details/070-1769-00 Tektronix 1421 Manual] | * [https://archive.org/details/070-1769-00 Tektronix 1421 Manual] | ||
}} | }} | ||
The '''Tektronix 1420''' is a | The '''Tektronix 1420''' is a television vectorscope for the [[NTSC]] video standard. | ||
The '''1421''' is for [[PAL]] and the '''1422''' is for [[PAL-M]]. | The '''1421''' is for [[PAL]] and the '''1422''' is for [[PAL-M]]. |