212

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Tektronix 212
500 kHz miniature dual channel analog scope
Tektronix 212

Produced from 1973 to 1991

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix 212 is a small portable analog dual-trace CRT oscilloscope with a bandwidth of 500 kHz. The 212 "Miniscope" was developed by a group led by Dave Allen.

Key Specifications

Bandwidth 500 kHz (reduced to 400/300/100 kHz in 5 mV/div and lower ranges)
Deflection 1 mV/div to 50 V/div, 1-2-5, and variable (up to 125 V/div), or X-Y (X via Ch.1)
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

Gerbers

Links

Documents Referencing 212

Document Class Title Authors Year Links
061-4124-02.pdf Article Handheld and benchtop instruments service manuals 2002 PS280 • PS281 • PS2520 • PS2520G • PS2521 • PS2521G • TAS210 • TAS220 • TMM420 • THM500 • 212 • 214 • 221 • 222 • 224 • 305 • 314 • 335 • 336 • 2201 • 2205

Patents that may apply to 212

Page Title Inventors Filing date Grant date Links
Patent US 4166200A Compact rotary switch construction John E. Reichen • Scott B. Long 1978-08-07 1979-08-28 211 • 212 • 221

Prices

Year Catalog price In 2026 dollars
1977 $1,000 ~$5,500
1986 $2,045 ~$6,200
1990 $2,450 ~$6,300

Pictures

  • Front

    Front

  • Front right

    Front right

  • Right

    Right

  • Rear right

    Rear right

  • Left

    Left

  • Bottom

    Bottom

  • With manual

    With manual

  • Internal

    Internal

  • re-built battery pack

    re-built battery pack

Components

Some Parts Used in the 212

Part Part Number(s) Class Description Used in
154-0699-00 154-0699-00 • 154-0699-50 CRT directly-heated CRT for miniature scopes 211 • 212 • SC501
155-0047-00 155-0047-00 Monolithic integrated circuit dual variable-gain amplifier 211 • 212 • 214
155-0048-01 155-0048-00 • 155-0048-01 • 155-0055-00 • 155-0055-01 Monolithic integrated circuit trigger sweep 211 • 212 • 213 • 214 • 432 • 433 • 5B12N • 5B13N • 5L4N • 603 • 604 • 605 • 606 • 606A • 607 • 624 • 2710 • SC501 • R7912
155-0083-00 155-0083-00 Monolithic integrated circuit dual operational amplifier and dual current source 212 • 214
2N3053 151-0136-00 • 151-0136-01 • 151-0136-02 • 151-0136-03 Discrete component silicon NPN medium-power transistor AN/USM281C • CG5001 • CG551AP • FG501 • GMA101A • GMA304 • J16 • OS261 • PS503A • RE4012 • RM529 • R116 • R288 • R293 • R520 • RM556 • R561B • R564B • R7103 • R7403N • R7844 • SC501 • TR501 • TR502 • TR503 • 067-0508-00 • 067-0546-00 • 067-0561-00 • 067-0561-01 • 067-0570-00 • 067-0570-01 • 067-0604-00 • 067-0746-00 • 067-0845-00 • 1502 • 1503 • 1A4 • 1A7 • 1A7A • 1L5 • 1S1 • 106 • 114 • 115 • 184 • 2A61 • 2101 • 211 • 212 • 230 • 240 • 284 • 287 • 3A10 • 3A7 • 3A9 • 3B5 • 3L5 • 3S1 • 3T4 • 3T5 • 3T6 • 3T77A • 321A • 4002A • 4006 • 4010 • 4012 • 4013 • 4016 • 4024 • 4025 • 4025A • 4051 • 4052 • 4052A • 4054 • 4054A • 4081 • 410 • 4112 • 4112B • 4113 • 4113A • 4113B • 4114 • 4114A • 4114B • 4115B • 4116A • 4116B • 422 • 453 • 454 • 454A • 455A • 4601 • 4602 • 4610 • 4620 • 4623 • 4631 • 4632 • 4633A • 4634 • 464 • 465B • 465M • 466 • 468 • 4701 • 475 • 475A • 475M • 485 • 491 • 492 • 492A • 492AP • 492P • 494 • 494P • 496 • 496P • 5T3 • 520 • 521 • 522 • 5223 • 528 • 528A • 529 • 556 • 561B • 564B • 568 • 576 • 606 • 606A • 608 • 611 • 613 • 614 • 618 • 619 • 624 • 630 • 634 • 7L12 • 7104 • 7313 • 7403N • 7503 • 7504 • 7514 • 7603 • 7613 • 7623 • 7623A • 7633 • 7704A • 7834 • 7844 • R7844 • 7904 • R7903 • 7912AD • R7912
2N4851 151-0504-00 • 151-0504-01 Discrete component silicon unijunction transistor DC501 • DC502 • DC503 • DC503A • DC504 • DC505 • DC505A • DC508 • DC508A • LA501 • R1330 • 212 • 214 • 4002A • 4623 • 4631 • 4632 • 4633A • 4634 • 4701 • 4701R • 670-0696-01 • 670-1274-00 • 670-1981-00 • 670-1981-01 • 7D01 • 7D12 • 7L12
2N5060 151-0503-00 Discrete component 30 V, 0.8 A thyristor (SCR) CG551AP • C-50 • C-51 • C-52 • C-53 • C-70 • DC505 • DC505A • DC508 • DC508A • 1240 • 1241 • 212 • 213 • 214 • 4014 • 4015 • 4025 • 4027 • 4105 • 4106 • 4107 • 4109 • 4111 • 450 • 4623 • 4631 • 4632 • 4633A • 485 • 5D10 • 5223 • 7D10 • 7D11 • 7L12 • 7L13 • 7L14 • 7L18 • 7912AD • 91HS8
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