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{{Plugin Sidebar | {{Plugin Sidebar | ||
|manufacturer=Tektronix | |||
summary=1 GHz sampling plug-in | | |series=560-series scopes | ||
image=3s1_front.jpg | | |type=3S1 | ||
caption=3S1 | |summary=1 GHz sampling plug-in | ||
introduced=1967 | | |image=3s1_front.jpg | ||
discontinued=(?) | | |caption=Tektronix 3S1 | ||
|introduced=1967 | |||
manuals= | |discontinued=(?) | ||
* [ | |designers= | ||
* [ | |manuals= | ||
* [[Media:Tek 3s1 fcp june 1967.pdf]] | * [[Media:070-0632-00.pdf|Tektronix 3S1 Manual]] | ||
* [[Media:late_3s1_schematics.pdf|Late 3S1 Schematics]] | |||
* [[Media:Tek 3s1 fcp june 1967.pdf|Tektronix 3S1 Factory Cal Procedure 1967]] | |||
* [[Media:Tek 3s1 cal outline.pdf|Tektronix 3S1 Calibration Outline]] (OCR) | |||
}} | }} | ||
The '''Tektronix 3S1''' is a dual-trace [[sampling_oscilloscope|sampling]] plug-in for [[560-series scopes]]. | |||
The '''Tektronix | |||
In many ways, the 3S1 is similar to the [[4S1]], but more compact. | In many ways, the 3S1 is similar to the [[4S1]], but more compact. | ||
The 3S1 provides +100 V and −12.2 V [[ | The 3S1 provides [[probe power|+100 V and −12.2 V]] for [[P6032|P6032 cathode-follower probes]]. | ||
{{BeginSpecs}} | {{BeginSpecs}} | ||
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{{Spec | Bandwidth | 1 GHz (calculated) }} | {{Spec | Bandwidth | 1 GHz (calculated) }} | ||
{{EndSpecs}} | {{EndSpecs}} | ||
==Links== | |||
{{Documents|Link=3S1}} | |||
{{PatentLinks|3S1}} | |||
==Internals== | |||
In contrast to modular sampling plug-ins like the [[3S2]], the 3S1 has built-in sampling heads. | |||
The signal enters through [[GR-874 connector]]s on the front panel. | |||
Each channel has a resistive trigger pickoff followed by a 55 ns coaxial [[delay line]]. | |||
Following the delay line is a compensation circuit designed to (partially) undo the pulse degradation caused by the delay line, and also to provide proper termination for low return loss at the input. | |||
Next in the main signal path is a four-diode sampling bridge driven by a [[snap-off diode]], D73. | |||
==Pictures== | ==Pictures== | ||
<gallery> | <gallery> | ||
3s1_front.jpg|front view | 3s1_front.jpg|front view | ||
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</gallery> | </gallery> | ||
==Components== | |||
{{Parts|3S1}} | |||
[[Category:560 series plugins]] | [[Category:560 series plugins]] | ||
[[Category:560 series sampling plugins]] | |||
[[Category:GR874]] | [[Category:GR874]] |