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7J20: Difference between revisions
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{{Plugin Sidebar | | {{Plugin Sidebar | ||
manufacturer=Tektronix | type=7J20| | |manufacturer=Tektronix | ||
summary=Optical Spectrometer| | |series=7000-series scopes | ||
image=Tek7J20.jpg| | |type=7J20 | ||
caption=Tektronix 7J20 in [[7633]] mainframe| | |summary=Optical Spectrometer | ||
introduced=1975 | | |image=Tek7J20.jpg | ||
discontinued=1976 | |caption=Tektronix 7J20 in [[7633]] mainframe | ||
|introduced=1975 | |||
manuals= | |discontinued=1976 | ||
|manuals= | |||
* [[Media:70-1642-00.pdf|Tektronix J20/7J20 Service Manual]] | * [[Media:70-1642-00.pdf|Tektronix J20/7J20 Service Manual]] | ||
* [[Media:70-1641-00.pdf|Tektronix J20/7J20 Operators Manual]] | * [[Media:70-1641-00.pdf|Tektronix J20/7J20 Operators Manual]] | ||
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* [[Media:RSS Applications.pdf|Tektronix J20/7J20 Application Notes 9 & 11]] | * [[Media:RSS Applications.pdf|Tektronix J20/7J20 Application Notes 9 & 11]] | ||
* [[Media:RSS R&D Article 11-1974.pdf|R/D Article - November 1974]] | * [[Media:RSS R&D Article 11-1974.pdf|R/D Article - November 1974]] | ||
* [ | * [https://w140.com/tek_7J20_from_1975_cat.pdf Section in 1975 Catalog in 7J20] | ||
* [[Media:TEK 7J20 Advertisement 06-1975.pdf|Tektronix J20/7J20 Advertisement - June 1975]] | * [[Media:TEK 7J20 Advertisement 06-1975.pdf|Tektronix J20/7J20 Advertisement - June 1975]] | ||
* [[Media:Jere marrs rapid-scanning spectrometry.pdf|Jere Marrs, "Rapid-Scanning Spectrometry"]] | * [[Media:Jere marrs rapid-scanning spectrometry.pdf|Jere Marrs, "Rapid-Scanning Spectrometry"]] | ||
* [[Media:Peter burke fast-scan spectrometry.pdf|Peter Burke "Fast-Scan Spectrometry"]] | * [[Media:Peter burke fast-scan spectrometry.pdf|Peter Burke "Fast-Scan Spectrometry"]] | ||
}} | }} | ||
The '''Tektronix 7J20''', which only appears in the 1975 catalog, is a "rapid scan" optical spectrometer for the 250 nm to 1100 nm region. | The '''Tektronix 7J20''', which only appears in the 1975 catalog, is a "rapid scan" optical spectrometer for the 250 nm to 1100 nm region. ''Rapid scan'' means that it can capture the spectrum quickly enough to show spectral changes at temporal resolution of a few milliseconds. | ||
Rapid scan means that it can capture the spectrum quickly enough to show spectral changes at temporal resolution of a few milliseconds. | |||
The spectrometer is packaged in two enclosures linked by an umbilical cable. | The spectrometer is packaged in two enclosures linked by an umbilical cable. | ||
The 7J20 is a 2-wide plug-in for [[7000-series scopes]] containing the sweep timing and mainframe interface circuits. | The 7J20 is a 2-wide plug-in for [[7000-series scopes]] containing the sweep timing and mainframe interface circuits. | ||
The external enclosure is labeled "J20". | The external enclosure is labeled "J20". | ||
It has controls for the optical components (grating, filters etc.) on one side and an input aperture on the other. | It has controls for the optical components (grating, filters etc.) on one side and an input aperture on the other. | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
{{Spec | | {{Spec | Spectral range | 250 nm to 1100 nm }} | ||
{{Spec | Resolution | {{Spec | Resolution | | ||
* Grating A: ≤4 nm in a 400 nm span (selectable 300-700, 400-800, 500-900, 600-1000, or 700-1100 nm | |||
* Grating B: ≤0.4 nm in a 40 nm span continuously variable through the spectral range }} | |||
{{Spec | Slit | 10 to 5000 μm wide (1-2-5 sequence), 10 mm high }} | {{Spec | Slit | 10 to 5000 μm wide (1-2-5 sequence), 10 mm high }} | ||
{{Spec | Filters | ND1, ND 2, 500 nm monopass, 800 nm monopass, UV block (≤400 nm), UV pass (250-330 nm), open (no filter) }} | {{Spec | Filters | ND1, ND 2, 500 nm monopass, 800 nm monopass, UV block (≤400 nm), UV pass (250-330 nm), open (no filter) }} | ||
{{Spec | Scan | 10 or 20 ms base sweep, 50 to 1000 ms ( | {{Spec | Scan | 10 or 20 ms base sweep, 50 to 1000 ms (1–2–5) settings run successive 20 ms sweeps up to the selected integration time }} | ||
{{Spec | Display span | Grating A, 40, 20, 10 or 4 nm/Div ; Grating B, 4, 2, 1 or 0.4 nm/Div }} | {{Spec | Display span | Grating A, 40, 20, 10 or 4 nm/Div ; Grating B, 4, 2, 1 or 0.4 nm/Div }} | ||
{{EndSpecs}} | {{EndSpecs}} | ||