Tektronix
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The Tektronix Model 513 is an oscilloscope that is recognized as the first oscilloscope with a true time-base.[1]
The Tektronix 513 is an analog cathode-ray oscilloscope. The Tektronix 513 was the first oscilloscope with a true time-base. The Tektronix 513 was produced by Tektronix, an American manufacturer of electronic test and measurement equipment.[1]
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The following facts about the 513 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
Fewer than 3 independently cited specifications for the 513 are on record; the remainder await public documentation.
Answerable by: an OEM datasheet, a cleanroom equipment inventory, or an engineer who operated or installed it
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the 513 are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the 513 are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the 513 are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the 513 are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
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Last updated Sep 22, 2026.
The Sony/Tektronix 314 is a portable 10 MHz dual-trace CRT storage oscilloscope introduced in 1975.
The Tektronix 422 was one of the first models in Tektronix's 400 series of high-frequency full-function oscilloscopes.