T5191: Difference between revisions

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The '''Tektronix T5191''' (part number 154-308 / 154-0308-00) is the CRT used in the [[519|1 GHz Model 519 scope]] (serial numbers 1017 and up).
{{CRT
|Manufacturer=Tektronix
|Model=T519 aka T5190, T5191, T5192
|Part_nos=154-0356-00, 154-0308-00
|Description=1 GHz CRT
|Used_in=519;
|Designers=Cliff Moulton;
}} for the [[519]] scope.


The usable screen area was 6 × 2 divisions. Total accelerating voltage in the 519 was 24 kV.  The tube has 125 Ω [[GR-874 connector]]s for signal and termination connections to the [[distributed deflection plates | distributed vertical deflection plates]] that consist of S-shaped striplines. These were individually tuned for optimum response on a [[time-domain reflectometer]] before the deflection system was inserted into the tube during manufacturing.
The usable screen area was 6 × 2 divisions. Total accelerating voltage in the 519 was 24 kV.   


Each tube was individually characterized for rise time and deflection sensitivity.
The tube has 125 Ω [[GR-874 connector]]s for signal and termination connections to the [[distributed deflection plates | distributed vertical deflection plates]] that consist of S-shaped striplines.  
The precise values (on the order of 350 ps and 10 V/Div, respectively) were written on the CRT and on the CRT bezel.
These were individually tuned for optimum response on a [[time-domain reflectometer]] before the deflection system was inserted into the tube during manufacturing.


Each tube was individually characterized for rise time and deflection sensitivity. The precise values (on the order of 350 ps and 10 V/Div, respectively) were written on the CRT and on the CRT bezel.
The spot side of the T5191 CRT is unusually small (0.1 mm).
The [[T5192]] is a special variant with bandwidth of 3 GHz.
The 1966 catalog lists the price of a 154-0308-00 replacement CRT as $1,000 (~$8,400 in 2021 dollars).
==Part numbers==
* T519 / T5190: 154-356 / 154-0356-00 ([[519]] serial numbers 1016 and below)
* T5191: 154-308 / 154-0308-00 ([[519]] serial numbers 1017 and up)
==Datasheets and Links==
* [[Media:T591_crt_data_tent.pdf|Tektronix T519 CRT Data, tentative]] (OCR)
* [[Media:T5910_crt_data.pdf|Tektronix T5190 CRT Data (OCR)]]
* [[Media:T519P_REV_B.pdf|Tektronix T519 CRT Data, Rev B (OCR)]]
* [[Media:Tek T5191 CRT Data Rev C.pdf|Tektronix T5191 CRT Data, Rev C (OCR)]]
* [[Patent US 2922074A]]
* https://vintagetek.org/519-1-ghz-oscilloscope/
* [[Patent US 3174070A]], Cliff Moulton, Electron beam deflection structure with compensation for beam transit time (f. 1961-08-14, g. 1965-03-16)
==Pictures==
<gallery>
<gallery>
519 crt in shield.jpg
519 crt in shield.jpg
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519 defl drawing.gif | deflection system
519 defl drawing.gif | deflection system
519 crt defl.jpg | deflection trimmers  
519 crt defl.jpg | deflection trimmers  
Tek t519 trimmers.jpg| trimmers
Timkoeth 519 TWK 6448.jpg | screen mask with tube parameters
Timkoeth 519 TWK 6448.jpg | screen mask with tube parameters
Tek 519 crt deflection1.jpg
Tek 519 crt deflection1.jpg
Line 18: Line 47:
Tek 519 crt gun2.jpg
Tek 519 crt gun2.jpg
Tek 519 crt gun5.jpg
Tek 519 crt gun5.jpg
Tek t5191 cb-1070.jpg
</gallery>
</gallery>


[[Category:Cathode ray tubes]]
[[Category:Cathode ray tubes]]

Latest revision as of 13:48, 10 March 2024

The Tektronix T519 aka T5190, T5191, T5192  (P/N 154-0356-00, 154-0308-00) is a 1 GHz CRT for the 519 scope.

The usable screen area was 6 × 2 divisions. Total accelerating voltage in the 519 was 24 kV.

The tube has 125 Ω GR-874 connectors for signal and termination connections to the distributed vertical deflection plates that consist of S-shaped striplines. These were individually tuned for optimum response on a time-domain reflectometer before the deflection system was inserted into the tube during manufacturing.

Each tube was individually characterized for rise time and deflection sensitivity. The precise values (on the order of 350 ps and 10 V/Div, respectively) were written on the CRT and on the CRT bezel. The spot side of the T5191 CRT is unusually small (0.1 mm).

The T5192 is a special variant with bandwidth of 3 GHz.

The 1966 catalog lists the price of a 154-0308-00 replacement CRT as $1,000 (~$8,400 in 2021 dollars).

Part numbers

  • T519 / T5190: 154-356 / 154-0356-00 (519 serial numbers 1016 and below)
  • T5191: 154-308 / 154-0308-00 (519 serial numbers 1017 and up)

Datasheets and Links

Pictures

  • deflection system

    deflection system

  • deflection trimmers

    deflection trimmers

  • trimmers

    trimmers

  • screen mask with tube parameters

    screen mask with tube parameters

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