T581: Difference between revisions
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Revision as of 15:09, 4 April 2020
The T581 aka T5810-31 (P/N 154-354, 154-0354-00) is a CRT manufactured by Tektronix and used in the 581 and 585. A key designer was John Kobbe.
An improved version known as the T5810-31-1 (154-0479-00) was used in the 581A and 585A from certain serial numbers up.
The T581 came with P31 phosphor standard, but was also available with P1, P2, P7, and P11. Usable viewing area is 4 cm by 10 cm.
The vertical deflection plates are distributed. The horizontal deflection plates are a conventional pair of plates.
Vertical deflection factor is 4.6 to 5.6 V/cm, horizontal deflection factor 18 to 21 V/cm. Rise time is about 1 ns according to a 1964 Service Scope article. The characteristic impedance of the vertical deflection structure is 900 Ω, plate-to-plate.
10 kV total accelerating voltage (−1.35 kV on cathode / +8.65 kV on anode) is typical for the T581.
Part numbers
| Part No | Name | Phosphor | Graticule |
|---|---|---|---|
| 154-0224-00 (154-224) | T5810-2 (T581 P2) | P2 | external |
| 154-0228-00 (154-228) | T5810-1 (T581 P1) | P1 | external |
| 154-0229-00 (154-229) | T5810-7 (T581 P7) | P7 | external |
| 154-0230-00 (154-230) | T5810-11 (T581 P11) | P11 | external |
| 154-0297-00 (154-297) | T5810-20 (T581 P20) | P20 | external |
| 154-0354-00 (154-354) | T5810-31 (T581 P31) | P31 | external |
| 154-0396-00 (154-396) | T5810-31 (T581 P31) | P31 | external |
| 154-0435-00 | T5810-31-1 | P31 | internal |
| 154-0445-00 | T5810-2-1 | P2 | internal |
| 154-0446-00 | T5810-11-1 | P31 | internal |
| 154-0479-00 | T5810-31-1 | P31 | internal |
| 154-0479-01 | T5810-02-1 | P2 | internal |
| 154-0479-02 | T5810-11-1 | P11 | internal |
Datasheet
- Tektronix T581 CRT Data (PDF, OCR)
- Tektronix T581 CRT Data, Rev A (PDF, OCR)
- Tektronix T5810 CRT Data, Rev B (PDF, needs OCR)
- Tektronix T581 Performance Data (PDF, OCR)
- Tektronix T5810 Performance Data, Rev A (PDF, OCR)
- Tektronix T5810 Performance Data, Rev B (PDF, OCR)
Pictures
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154-0479-00 CRT
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154-0479-00 Graticule
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154-0479-00 Distributed deflection plates
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Distributed deflection plate details
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154-0479-00 Electron Gun Assy
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