5T1A: Difference between revisions
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|manuals= | |manuals= | ||
* [[Media:070-387.pdf|Tektronix 5T1A Manual]] | * [[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: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 irb no ocr.pdf|Tektronix 5T1A Instrument Reference Book]] | ||
* [[Media:Tek 5t1a cal outline.pdf|Tektronix 5T1A Calibration Outline]] (OCR) | * [[Media:Tek 5t1a cal outline.pdf|Tektronix 5T1A Calibration Outline]] (OCR) | ||
* [[Media:Tek 5t1a preliminary.pdf|Tektronix 5T1A Preliminary Manual]] | * [[Media:Tek 5t1a preliminary.pdf|Tektronix 5T1A Preliminary Manual]] | ||
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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== | ||
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
