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(introduced 1973 per https://secureservercdn.net/45.40.145.201/7vm.c31.myftpupload.com/wp-content/uploads/2018/11/IEEENAB1973_TW_03231973.pdf) |
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|manufacturer=Tektronix | |manufacturer=Tektronix | ||
|series=200-series scopes | |series=200-series scopes | ||
|model=212 | |||
|summary=500 kHz miniature dual channel analog scope | |||
|image=tek212.jpg | |||
|caption=Tektronix 212 | |||
|introduced=1973 | |||
|discontinued=1991 | |||
|designers= | |designers= | ||
|manuals= | |manuals= | ||
* [http://w140.com/tek_212.pdf Tektronix 212 Manual (PDF, OCR)] | * [http://w140.com/tek_212.pdf Tektronix 212 Manual (PDF, OCR)] |
Revision as of 03:37, 5 September 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) |
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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 |
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 |
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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 |