212: Difference between revisions
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Jaredcabot (talk | contribs) (Corrected link to Fixed Operator Manual) |
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* [http://w140.com/ | * [http://w140.com/070-1375-00.pdf Tektronix 212 Operator Manual (PDF, OCR)] | ||
* [http://w140.com/tektronix_212_maintenance_manual.pdf Tektronix 212 Military Manual (PDF, OCR)] | * [http://w140.com/tektronix_212_maintenance_manual.pdf Tektronix 212 Military Manual (PDF, OCR)] | ||
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Revision as of 05:51, 14 November 2021
The Tektronix 212 is a small portable analog dual-trace CRT oscilloscope with a bandwidth of 500 kHz.
Key Specifications
| Bandwidth | 500 kHz (reduced to 400/300/100 kHz in 5/2/1 mV/Div ranges) |
|---|---|
| Deflection | 1 mV/Div to 50 V/Div, 1-2-5, and variable (up to 125 V/Div), or X-Y (X via Ch1) |
| Sweep | 500 ms/Div to 5 μS/Div, 1-2-5, and variable magnifier 1-5 × |
| Input impedance | 1 MΩ // 140 pF (160 pF below 100 mV/Div) |
| Trigger sensitivity | 0.2 Div internal, 1 V external (banana jack input) |
| CRT | 6 × 10 divisions of 0.203" (5.16 mm), 154-0699-00 tube, P31 phosphor, 1 kV acceleration |
| Power | 10 internal size A NiCd cells, 3-5 hour operation, or AC line, < 3 W |
Links
- Tektronix 212 Portable Scope Repair by NFM @ YouTube
Pictures
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Front
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Front right
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Right
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Rear right
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Left
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Bottom
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With manual
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Internal
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re-built battery pack
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Custom ICs used in the 212
| Page | Model | Part nos | Description | Designers | Used in |
|---|---|---|---|---|---|
| 155-0047-00 | P050B | 155-0047-00 | dual variable-gain amplifier | Dave Allen | 211 • 212 • 214 |
| 155-0048-01 | M052F | 155-0048-00 • 155-0048-01 • 155-0055-00 • 155-0055-01 | trigger sweep | Dave Allen | 211 • 212 • 213 • 214 • 432 • 433 • 5B12N • 5B13N • 5L4N • 603 • 604 • 605 • 606 • 606A • 607 • 624 • SC501 • R7912 |
| 155-0083-00 | M105 | 155-0083-00 | dual operational amplifier and dual current source | Dave Allen | 212 • 214 |