1720: Difference between revisions

172 bytes added ,  13 December 2020
Add 1988 instruction manual with schematics
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(Add 1988 instruction manual with schematics)
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manuals=
manuals=
* [http://w140.com/tek_1720_1721.pdf Tektronix 1720 and 1721 Manual (PDF)]
* [http://w140.com/tek_1720_1721.pdf Tektronix 1720 and 1721 Manual (PDF)]
* [http://w140.com/TekInstructionManual1720SeriesVectorscope RevisedAug1988.pdf Instruction Manual 1720 Series Vectorscope, revised August 1988. INCLUDES SCHEMATICS (PDF)]
}}
}}
The '''Tektronix 1720''' is a Television Vectorscope for the [[NTSC]] video standard.  The [[1721]] is the [[PAL]] and the [[1725]] is a multi-standard sister model.
The '''Tektronix 1720''' is a Television Vectorscope for the [[NTSC]] video standard.  The [[1721]] is the [[PAL]] and the [[1725]] is a multi-standard sister model.
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