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{{Plugin Sidebar | {{Plugin Sidebar | ||
|manufacturer=Tektronix | |||
summary=Sampling system/TDR| | |series=500-series scopes | ||
image= | |type=1S2 | ||
caption=1S2 front view| | |summary=Sampling system/TDR | ||
introduced=1967 | | |image=Tek 1s2 front.jpg | ||
discontinued=1973 | | |caption=1S2 front view | ||
|introduced=1967 | |||
manuals= | |discontinued=1973 | ||
* [[Media:070-0889-00.pdf|1S2 manual ( | |designers=Chuck Edgar;Gene Cowan | ||
* [ | |manuals= | ||
* [ | * [[Media:070-0889-00.pdf|1S2 manual]] (S/N 1990+, OCR) | ||
* ''Manual needed for sn below 1990 [[Category:Manual needed]]'' | |||
<!-- * [[Media:1S2_calibration_guide.pdf|1S2 Calibration Guide by Fred Schneider, PA4TIM | * [[Media:Tek 1s2 fcp june 1966.pdf|Tektronix 1S2 Factory Calibration Procedure, June 1966]] | ||
* [[Media:Tek 1s2 fcp aug 1968.pdf|Tektronix 1S2 Factory Calibration Procedure, August 1968]] | |||
* [[Media:Tek 1s2 cal outline.pdf|Tektronix 1S2 Calibration Outline]] | |||
<!-- * [[Media:1S2_calibration_guide.pdf|1S2 Calibration Guide by Fred Schneider, PA4TIM]] --> | |||
}} | }} | ||
The '''Tektronix 1S2''' is a [[sampling oscilloscope|sampling]]/TDR plug-in for [[500-series scopes]], [[introduced in 1967]] and sold through 1972. | The '''Tektronix 1S2''' is a [[sampling oscilloscope|sampling]]/TDR plug-in for [[500-series scopes]], [[introduced in 1967]] and sold through 1972. | ||
[[Chuck Edgar]] designed the sweep circuitry and [[Gene Cowan]] designed the vertical circuitry. | |||
Like the [[1S1]], it is a complete sampling subsystem and uses the mainframe merely as a power supply and low-speed X-Y display. | Like the [[1S1]], it is a complete sampling subsystem and uses the mainframe merely as a power supply and low-speed X-Y display. | ||
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The other puts out a slower 1 V pulse. The sampling bridge is a feed-through type. | The other puts out a slower 1 V pulse. The sampling bridge is a feed-through type. | ||
For TDR measurements, the signal from one of the internal pulsers is fed through the sampler, and out to | For TDR measurements, the signal from one of the internal pulsers is fed through the sampler, and out to the transmission line being tested. | ||
Returning pulses are detected as they pass back through the sampler, and they are reabsorbed by the 50 Ω impedance of the pulser. | Returning pulses are detected as they pass back through the sampler, and they are reabsorbed by the 50 Ω impedance of the pulser. | ||
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==Links== | ==Links== | ||
* [[Media:062-1244-00.pdf | Tektronix 062-1244-00: Time-Domain Reflectometry Measurement Concepts]], James A. Strickland, 1969. | * [https://www.pa4tim.nl/wp-content/uploads/2012/01/1S2calibrationPA4TIM.pdf 1S2 Calibration Guide by Fred Schneider, PA4TIM] | ||
* [https://www.pa4tim.nl/?p=3016 1S2 Page on the Website of Fred Schneider, PA4TIM] | |||
* [[Media:062-1244-00.pdf | Tektronix 062-1244-00: Time-Domain Reflectometry Measurement Concepts]], James A. Strickland, 1969. OCR, 6.2 MB | |||
* [[Media:Service Scope 45 Aug 1967.pdf | Service Scope No. 45, August 1967 - Time-Domain Reflectometry Theory]] | * [[Media:Service Scope 45 Aug 1967.pdf | Service Scope No. 45, August 1967 - Time-Domain Reflectometry Theory]] | ||
* [[Media:Service Scope 38 Jun 1966.pdf | Service Scope No. 38, June 1966 - Tektronix Type 1S2 Makes Reflectometry Easy]] | * [[Media:Service Scope 38 Jun 1966.pdf | Service Scope No. 38, June 1966 - Tektronix Type 1S2 Makes Reflectometry Easy]] | ||
* [ | * [https://www.picosecond.com/objects/AN-04.pdf Picosecond Pulse Labs Application Note 4: TDR] | ||
==Pictures== | ==Pictures== | ||
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[[Category:500 series plugins]] | [[Category:500 series plugins]] | ||
[[Category:GR874]] | [[Category:GR874]] | ||
[[Category:Manual needed]] |