5T3: Difference between revisions

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The Tektronix Type 5T3 is a timing plug-in for the Type [[661]] [[sampling oscilloscope]].   
{{Plugin Sidebar
It uses TD253B [[tunnel diodes]] for triggering.   
|manufacturer=Tektronix
It has a high-impedance external trigger input that is buffered by an [[8056]] [[nuvistor|Nuvistor]] cathode follower.
|series=661
The 5T3 also has a 50-ohm external trigger input with no buffering stage. 
|type=5T3
This low-impedance trigger input is capable of operation up to 5GHz.
|summary=Timing plugin
|image=Tek 5t3 front.jpeg
|caption=Tek 5T3
|introduced=1965
|discontinued=(?)
|designers=
|manuals=
* [[Media:070-0470-00.pdf|Tektronix 5T3 Manual]]
* [[Media:Tek 5t3 field training.pdf|Tektronix 5T3 Field Training Kit]] (low quality, no OCR)
* [[Media:Tek 5t3 training ocr4.pdf|Tektronix 5T3 Field Training Kit]] (high quality, OCR)
* [[Media:Tek 5t3 cal outline.pdf|Tektronix 5T3 Calibration Outline]] (OCR)
}}
The '''Tektronix Type 5T3''' is a timing plug-in for the Type [[661]] [[sampling oscilloscope]].   
It uses [[TD253|TD253B]] [[tunnel diodes]] for triggering.   


* [http://w140.com/kurt/tektronix_5t3.pdf Tektronix 5T3 Manual (PDF)]
The 5T3 can be triggered from any of four different sources:
* [http://w140.com/tek_5t3_field_training.pdf Tektronix 5T3 Field Training Kit (PDF)]
# Internal trigger from the sampling plug-in, via interconnect J9.
# Internal trigger from the calibrator module in the 661 mainframe. This works up to 1 GHz.
# External trigger to the high-impedance BNC trigger input. This input is buffered by an [[8056]] [[nuvistor|Nuvistor]] cathode follower. This can be used for triggering on signals up to 20 MHz.
# External trigger to the 50 Ω [[GR-874]] trigger input. This input can drive either of two selectable signal paths:
#* A path where the trigger signal skips the high-impedance Nuvistor input buffer but is still buffered by Q64 and Q124 (1 GHz NPN transistors, part number [[151-0138-00]]) before the tunnel diode trigger event recognizer circuit. This path provides triggering up to 500 MHz.
#* A passive low-impedance path, capacitively coupled to a tunnel diode for "UHF SYNC" mode. This works up to 5 GHz.


The 5T3 can also be set to free-run mode.


{{MissingSpecs}}
==Links==
{{Documents|Link=3S3}}
==Pictures==
<gallery>
<gallery>
Image:5t3_front.jpg|front view
5t3_front.jpg|front view
Image:5t3_left.jpg|left view
5t3_left.jpg|left view
Image:5t3_right.jpg|right view
5t3_right.jpg|right view
Image:5t3_top.jpg|top view
5t3_top.jpg|top view
Image:5t3_bottom.jpg|bottom view
5t3_bottom.jpg|bottom view
</gallery>
</gallery>


==Components==
{{Parts|5T3}}
[[Category:661 plugins]]
[[Category:Sampling plugins]]
[[Category:Sampling plugins]]

Latest revision as of 04:35, 29 November 2023

Tektronix 5T3
Timing plugin
Tek 5T3

Compatible with 661

Produced from 1965 to (?)

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix Type 5T3 is a timing plug-in for the Type 661 sampling oscilloscope. It uses TD253B tunnel diodes for triggering.

The 5T3 can be triggered from any of four different sources:

  1. Internal trigger from the sampling plug-in, via interconnect J9.
  2. Internal trigger from the calibrator module in the 661 mainframe. This works up to 1 GHz.
  3. External trigger to the high-impedance BNC trigger input. This input is buffered by an 8056 Nuvistor cathode follower. This can be used for triggering on signals up to 20 MHz.
  4. External trigger to the 50 Ω GR-874 trigger input. This input can drive either of two selectable signal paths:
    • A path where the trigger signal skips the high-impedance Nuvistor input buffer but is still buffered by Q64 and Q124 (1 GHz NPN transistors, part number 151-0138-00) before the tunnel diode trigger event recognizer circuit. This path provides triggering up to 500 MHz.
    • A passive low-impedance path, capacitively coupled to a tunnel diode for "UHF SYNC" mode. This works up to 5 GHz.

The 5T3 can also be set to free-run mode.

Key Specifications

  • please add

Links

Documents Referencing 3S3

(no results)

Pictures

  • front view

    front view

  • left view

    left view

  • right view

    right view

  • top view

    top view

  • bottom view

    bottom view

Components

Some Parts Used in the 5T3

Part Part Number(s) Class Description Used in
151-0108-00 151-0108-00 Discrete component 350 MHz (minimum) NPN bipolar transistor 5T3
151-0138-00 151-0138-00 Discrete component 1 GHz (minimum) NPN bipolar transistor 5T3
1N3717 152-0381-00 • 152-0125-00 Discrete component 4.7 mA, 25 pF tunnel diode 1L40 • 1S1 • 1S2 • 11B1 • 11B2 • 11B2A • 147A • 1470 • 148 • 21A • 22A • 3B4 • 3B5 • 408 • 432 • 434 • 453 • 453A • 454 • 466 • 491 • 5T3 • 544 • RM544 • 546 • RM546 • 547 • RM547 • 556 • RM556 • 7B70 • 7B71 • 7D11
8056 154-0417-00 Vacuum Tube (Triode) low-voltage Nuvistor triode 422 • 502 • W • 1S1 • 3A7 • 3S3 • 3T4 • 5T3 • 10A1
STD704 152-0125-00 Discrete component 4.7 mA tunnel diode 1L40 • 1S1 • 11B1 • 11B2 • 11B2A • 147 • R147 • 147A • R147A • 1470 • 148 • R148 • 148-M • 149 • R149 • 149A • R149A • 21A • 22A • 3B4 • 3B5 • 408 • 432 • 434 • 453 • 453A • 454 • 464 • 465 • 466 • 491 • 5T3 • 544 • RM544 • 546 • RM546 • 547 • RM547 • 556 • RM556 • 7B70 • 7B71 • 7D11
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