5T1A: Difference between revisions
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{{Plugin Sidebar | {{Plugin Sidebar | ||
|manufacturer=Tektronix | |||
summary=Timing plugin | | |series=661 | ||
image=5t1a front. | |type=5T1A | ||
caption=5T1A front | |summary=Timing plugin | ||
|image=Tek 5t1a front.jpeg | |||
introduced=1963 | | |caption=5T1A front | ||
discontinued=(?) | | |introduced=1963 | ||
manuals= | |discontinued=(?) | ||
* [[Media:070-387.pdf|Tektronix 5T1A Manual | |designers= | ||
* [ | |manuals= | ||
* [[Media:050-0419-00.pdf|Modification Note Documenting Replacement of 152-0074-00 Tunnel Diode with 152-0381-00 ( | * [[Media:070-387.pdf|Tektronix 5T1A Manual]] | ||
* [[Media:Tek type 5t1a factory cal proc.pdf|Tektronix 5T1A Field Recalibration Procedure]] | |||
* [[Media:050-0419-00.pdf|Modification Note Documenting Replacement of 152-0074-00 Tunnel Diode with 152-0381-00]] | |||
* [[Media:Tek 5t1a irb no ocr.pdf|Tektronix 5T1A Instrument Reference Book]] | |||
* [[Media:Tek 5t1a cal outline.pdf|Tektronix 5T1A Calibration Outline]] (OCR) | |||
* [[Media:Tek 5t1a preliminary.pdf|Tektronix 5T1A Preliminary Manual]] | |||
}} | }} | ||
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]]. It is an improved version of the [[5T1]]. | ||
[[sampling oscilloscope]]. | |||
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 | * internally from the trigger pick-off in a [[4S1]] or [[4S2A]] plug-in | ||
from any of four sources: | |||
* internally from the trigger pick-off in a [[4S1]] 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 | ||
* from the calibration oscillator in the 661, via the multi-pin plug-in connector | * from the calibration oscillator in the 661, via the multi-pin plug-in connector | ||
* 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]]. | ||
==See Also== | |||
* [[040-0390-00]] modification kit improving high frequency trigger performance | |||
==Pictures== | ==Pictures== | ||
| Line 40: | Line 43: | ||
5t1a detail1.jpg | 5t1a detail1.jpg | ||
5t1a tunnelDiode.jpg | 5t1a tunnelDiode.jpg | ||
5t1a coax interconnect.jpg | 5t1a coax interconnect.jpg | [[Gremar connector]]s | ||
5t1a rear connector.jpg | 5t1a rear connector.jpg | ||
5t1a_trigger2.png|Trigger schematic | 5t1a_trigger2.png|Trigger schematic | ||
Latest revision as of 22:35, 9 March 2024
The Tektronix 5T1A is a timing plug-in introduced in 1963 for the 661 sampling oscilloscope. 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 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
- externally via a GR-874 connector on the front panel of the 5T1A
- from the calibration oscillator in the 661, via the multi-pin plug-in connector
- free-running
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 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.
See Also
- 040-0390-00 modification kit improving high frequency trigger performance
Pictures
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Trigger schematic
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Fast Ramp schematic
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Staircase Generator schematic
