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5T1A: Difference between revisions
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{{Plugin Sidebar | {{Plugin Sidebar | ||
|manufacturer=Tektronix | |||
summary=Timing plugin | | |series=661 | ||
image=5t1a front.jpg | | |type=5T1A | ||
caption=5T1A front | |summary=Timing plugin | ||
|image=5t1a front.jpg | |||
introduced=1963 | | |caption=5T1A front | ||
discontinued=(?) | | |introduced=1963 | ||
manuals= | |discontinued=(?) | ||
|designers= | |||
|manuals= | |||
* [[Media:070-387.pdf|Tektronix 5T1A Manual (PDF)]] | * [[Media:070-387.pdf|Tektronix 5T1A Manual (PDF)]] | ||
* [http://w140.com/tek_fcp/tek_type_5t1a_factory_cal_proc.pdf Tektronix 5T1A Field Recalibration Procedure (PDF)] | * [http://w140.com/tek_fcp/tek_type_5t1a_factory_cal_proc.pdf Tektronix 5T1A Field Recalibration Procedure (PDF)] | ||
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* [[Media:Tek 5t1a cal outline.pdf|Tektronix 5T1A Calibration Outline (PDF, OCR)]] | * [[Media:Tek 5t1a cal outline.pdf|Tektronix 5T1A Calibration Outline (PDF, OCR)]] | ||
}} | }} | ||
The '''Tektronix 5T1A''' is a timing plug-in [[introduced in 1963]] for the [[661]] | The '''Tektronix 5T1A''' is a timing plug-in [[introduced in 1963]] for the [[661]] [[sampling oscilloscope]]. | ||
[[sampling oscilloscope]]. | |||
It is an improved version of the [[5T1]]. The job of the 5T1A is to produce three signals | It is an improved version of the [[5T1]]. The job of the 5T1A is to produce three signals – the sampling pulse, the horizontal sweep, and the blanking signal. | ||
the sampling pulse, the horizontal sweep, and the blanking signal. | The input to the 5T1A is a trigger signal. The trigger can arrive from any of four sources: | ||
The input to the 5T1A is a trigger signal. The trigger can arrive | |||
from any of four sources: | |||
* internally from the trigger pick-off in a [[4S1]] or [[4S2A]] plug-in | * internally from the trigger pick-off in a [[4S1]] or [[4S2A]] plug-in | ||
* externally via a [[GR-874 connector]] on the front panel of the 5T1A | * externally via a [[GR-874 connector]] on the front panel of the 5T1A | ||
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* free-running | * free-running | ||
Each of these modes is suited to some measurement scenarios. | Each of these modes is suited to some measurement scenarios. | ||
In the case of internal triggering, the signal goes from the trigger pick-off | In the case of internal triggering, the signal goes from the trigger pick-off in the 4S1 to a coaxial interconnect that passes through the 661, connecting the sampling unit to the timing unit. | ||
in the 4S1 to a coaxial interconnect that passes | |||
through the 661, connecting the sampling unit to the timing unit. | |||
Triggering in the 5T1A is accomplished using five [[1N3129]] 20 mA [[tunnel diodes]]. | Triggering in the 5T1A is accomplished using five [[1N3129]] 20 mA [[tunnel diodes]]. | ||