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{{Oscilloscope Sidebar|
{{Oscilloscope Sidebar  
title=Tektronix 213|
|manufacturer=Tektronix
image=Tektronix 213DMM pic 1.jpg|
|series=200-series scopes
caption=Tektronix 213, front view|
|model= 213  
introduced=1975 |
|summary=Miniature portable 1 MHz oscilloscope and TRMS digital multimeter
discontinued=1988 |
|image=Tektronix 213DMM pic 2.jpg | caption=Tektronix 213, front view  
summary=Miniature portable 1 MHz oscilloscope and TRMS digital multimeter|
|introduced=1975 | discontinued=1988  
manuals=
|designers=
|manuals=
* [[Media:070-1481-00.pdf|Tektronix 213 Service Manual, 1989 Rev.]] (PDF, OCR, 76MB)
<small>
'''Modifications'''
* [[Media:050-0811-01.pdf|Replacement of U335 (Trigger &amp; Sweep Generator IC)]]
</small>
}}
}}
The '''Tektronix 213''' is a miniature portable oscilloscope [[introduced in 1975]].   
The '''Tektronix 213''' is a miniature portable oscilloscope [[introduced in 1975]].   
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The 213 provides true RMS voltage and current measurements.
The 213 provides true RMS voltage and current measurements.
It is battery or AC line powered.
It is battery or AC line powered.
* [http://w140.com/kurt/tek_new_products_mar-apr_1975.pdf New Products Mar/Apr 1975]


{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | ''Multimeter Section'' | <hr /> }}
{{SpecGroup | ''Multimeter Section'' }}
{{Spec | DC Volts | 0.1 V to 1000 V,  Input Resistance: 10 MΩ <br />Accuracy,  0.1 V & 1 V:  ±0.1%, ±3 counts; 10 V & 100 V: ±0.15%, ±1 count; 1000 V: ±0.2%, ±1 count}}
{{Spec | DC Volts | 0.1 V to 1000 V,  Input Resistance: 10 MΩ <br />Accuracy,  0.1 V & 1 V:  ±0.1%, ±3 counts; 10 V & 100 V: ±0.15%, ±1 count; 1000 V: ±0.2%, ±1 count}}
{{Spec | True RMS Volts | DC Volts | 0.1 V to 1000 V,  Input Resistance: 10 MΩ <br />Accuracy, 0.1 V: ±2.5% (DC); ±1.5% (40 Hz – 4 KHz); ±3.5% (4 KHz – 40 KHz);  1, 10, 100 V:  ±2% (DC); ±1% (40 Hz – 40 KHz); 1000 V:  ±2% (DC); ±1% (40 Hz – 4KHz); ±2% (4 KHz – 40 KHz) }}
{{Spec | True RMS Volts | DC Volts | 0.1 V to 1000 V,  Input Resistance: 10 MΩ <br />Accuracy, 0.1 V: ±2.5% (DC); ±1.5% (40 Hz – 4 kHz); ±3.5% (4 kHz – 40 kHz);  1, 10, 100 V:  ±2% (DC); ±1% (40 Hz – 40 kHz); 1000 V:  ±2% (DC); ±1% (40 Hz – 4 kHz); ±2% (4 kHz – 40 kHz) }}
{{Spec | DC Current | 0.1 to 1000 mA <br />Accuracy: 0.1 mA:  ±0.5%, ±3 counts; 1 mA – 1000 mA: ±0.25%, ±3 counts }}
{{Spec | DC Current | 0.1 to 1000 mA <br />Accuracy: 0.1 mA:  ±0.5%, ±3 counts; 1 mA – 1000 mA: ±0.25%, ±3 counts }}
{{Spec | True RMS Current | 0.1 to 1000 mA <br />Accuracy, 0.1 mA:  ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40 Hz – 4 KHz); ±4.5%, ±5 counts (4 KHz - 40 KHz);  1 mA – 1000 mA: ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40 Hz – 4 KHz); ±3.5%,±5 counts (4 KHz - 40 KHz) }}
{{Spec | True RMS Current | 0.1 to 1000 mA <br />Accuracy, 0.1 mA:  ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40 Hz – 4 kHz); ±4.5%, ±5 counts (4 kHz − 40 kHz);  1 mA – 1000 mA: ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40 Hz – 4 kHz); ±3.5%,±5 counts (4 kHz − 40 kHz) }}
{{Spec | Current range input resistance | 0.1 mA: 1000 Ω; 1 mA: 100 Ω; 10 mA: 10.2 Ω; 100 mA: 1.2 Ω; 1000 mA: 0.3 Ω }}
{{Spec | Current range input resistance | 0.1 mA: 1000 Ω; 1 mA: 100 Ω; 10 mA: 10.2 Ω; 100 mA: 1.2 Ω; 1000 mA: 0.3 Ω }}
{{Spec | Resistance | 1 KΩ: ±0.5%, ±3 counts; 10 KΩ – 1 MΩ:  ±0.5%, ±1 count; 10 MΩ: ±1%, ±1 count }}
{{Spec | Resistance | 1 KΩ: ±0.5%, ±3 counts; 10 KΩ – 1 MΩ:  ±0.5%, ±1 count; 10 MΩ: ±1%, ±1 count }}
{{Spec | ''Oscilloscope Section'' | <hr />}}
{{SpecGroup | ''Oscilloscope Section'' }}
{{Spec | Voltage ranges | 5 mV/Div to  – 100 V/Div, ±3% }}
{{Spec | Voltage ranges | 5 mV/Div to  – 100 V/Div, ±3% }}
{{Spec | Bandwidth (Voltage) | DC – 1 MHz (at 10 mV/Div and below, 400 kHz) }}
{{Spec | Bandwidth (Voltage) | DC – 1 MHz (at 10 mV/Div and below, 400 kHz) }}
{{Spec | Current ranges | 5 µA/Div to 100 mA/Div, ±3% }}
{{Spec | Current ranges | 5 µA/Div to 100 mA/Div, ±3% }}
{{Spec | Bandwidth (Current) | DC – 200 kHz (5 µA/Div – 10 µA/Div); DC – 400 kHz (20 µA/Div – 200 mA/Div) }}
{{Spec | Bandwidth (Current) | DC – 200 kHz (5 µA/Div – 10 μA/Div); DC – 400 kHz (20 μA/Div – 200 mA/Div) }}
{{Spec | Input resistance | 10 MΩ // 150 pF (5 mV/Div – 1 V/Div), 100 pF (2 V/Div to – 100 V/Div) }}
{{Spec | Input resistance | 10 MΩ // 150 pF (5 mV/Div – 1 V/Div), 100 pF (2 V/Div to – 100 V/Div) }}
{{Spec | Rise time |  875 ns (5mV – 10mV/DIV); 350 ns (20 mV – 100 V/Div) }}
{{Spec | Rise time |  875 ns (5 mV/Div – 10 mV/Div); 350 ns (20 mV/Div – 100 V/Div) }}
{{Spec | Sweep |  500 ms/Div – 2 µs/Div, ±5% (magnified or unmagnified) }}
{{Spec | Sweep |  500 ms/Div – 2 µs/Div, ±5% (magnified or unmagnified) }}
{{Spec | Batteries |  2 &times; “D” NiCd cells }}
{{Spec | Batteries |  2 &times; “D” NiCd cells }}
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==Links==
==Links==
* [http://w140.com/kurt/tek_new_products_mar-apr_1975.pdf New Products Mar/Apr 1975]
* [http://www.eevblog.com/2014/06/11/eevblog-628-tektronix-213-vintage-portable-oscilloscope-teardown/ EEVblog #628 – Tektronix 213 Vintage Portable Oscilloscope Teardown Video] and [https://www.flickr.com/photos/eevblog/14394189202/ Photo Set]
* [http://www.eevblog.com/2014/06/11/eevblog-628-tektronix-213-vintage-portable-oscilloscope-teardown/ EEVblog #628 – Tektronix 213 Vintage Portable Oscilloscope Teardown Video] and [https://www.flickr.com/photos/eevblog/14394189202/ Photo Set]
* [https://www.youtube.com/watch?v=fPmQ9Ce4TL0 Tektronix 213 DMM Repair Progress video]
* [https://www.youtube.com/watch?v=fPmQ9Ce4TL0 Tektronix 213 DMM Repair Progress video]
==Internals==
The 213 makes use of two Tek-made custom chips, the [[155-0048-01]] trigger sweep circuit, and the [[155-0114-00]] 7-segment character generator in the DVM circuit.  In addition, it includes some standard opamps (741, 324) and a 4-digit decimal counter ([[Mostek MK5007]]).


==Pictures==
==Pictures==


<gallery>
<gallery>
Image:Tektronix 213DMM pic 1.jpg
Tek213-front-1.jpg | Tek 213 front
Image:Tektronix 213DMM side view.jpg
Tektronix 213DMM pic 2.jpg|In DMM mode
Image:Tektronix 213DMM pic 2.jpg|In DMM mode
200 series compared.jpg | Tek [[214]] (top), [[213]] (center) and [[211]] (bottom) stacked
Image:Tektronix 213DMM Attenuator and Input Amplifier.jpg|Attenuator and Input Amplifier Schematic
213 compared to 585.jpg | Tek 213 size comparison with 500 series plug-in bay (in a [[585]])
Image:Tektronix 213DMM GM and RMS Converter.jpg|GM and RMS Converter Schematic
213-Stefan-140333.jpg | 213 with pouch
Image:Tektronix 213DMM Battery Charger and Power Supply.jpg|Battery Charger and Power Supply Schematic
213-Stefan-140342.jpg | right side
Image:Tektronix 213DMM HV and CRT.jpg|HV and CRT Schematic
213-Stefan-162337.jpg | without covers, bottom/left
Image:Tektronix 213DMM A-D Converter and Character Generator.jpg|A-D Converter and Character Generator Schematic
213-Stefan-162344.jpg | without covers, left
213-Stefan-162352.jpg | without covers, top
213-Stefan-172313.jpg | without covers, operating, top/right
213_amplifier_board.jpg | 213_amplifier_board
213_bottom_view.jpg | 213_bottom_view
213_closeup_CRT_drive.jpg | 213_closeup_CRT_drive
213-Stefan-162409.jpg | Plastic case halves
213-Stefan-162419.jpg | Original battery, corroded
213-Stefan-162428.jpg
213-Stefan-162443.jpg
213-Stefan-172154.jpg | In DMM mode
213-Stefan-172309.jpg
213-Stefan-172243.jpg | In scope mode
213-Stefan-172258.jpg
Tektronix 213DMM pic 1.jpg     | Catalog image, front
Tektronix 213DMM side view.jpg | Catalog image, side
</gallery>
 
===Schematics===
<gallery>
Tektronix 213DMM Attenuator and Input Amplifier.jpg|Attenuator and Input Amplifier Schematic
Tektronix 213DMM GM and RMS Converter.jpg|GM and RMS Converter Schematic
Tektronix 213DMM Battery Charger and Power Supply.jpg|Battery Charger and Power Supply Schematic
Tektronix 213DMM HV and CRT.jpg|HV and CRT Schematic
Tektronix 213DMM A-D Converter and Character Generator.jpg|A-D Converter and Character Generator Schematic
</gallery>
</gallery>


{{Custom ICs|213}}


[[Category:200 series scopes]]
[[Category:200 series scopes]]
[[Category:Portable scopes]]
[[Category:Specifications needed]]
[[Category:Manual needed]]

Revision as of 06:05, 16 August 2021

Tektronix 213
Miniature portable 1 MHz oscilloscope and TRMS digital multimeter
Tektronix 213, front view

Produced from 1975 to 1988

Manuals

Modifications

(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix 213 is a miniature portable oscilloscope introduced in 1975. It combines a 3½-digit DMM and a 1 MHz single channel scope in one unit. The maximum sweep rate is 0.4 μs/div with ×10 sweep magnifier.

The 213 provides true RMS voltage and current measurements. It is battery or AC line powered.

Key Specifications

     — Multimeter Section —
DC Volts 0.1 V to 1000 V, Input Resistance: 10 MΩ
Accuracy, 0.1 V & 1 V: ±0.1%, ±3 counts; 10 V & 100 V: ±0.15%, ±1 count; 1000 V: ±0.2%, ±1 count
True RMS Volts DC Volts
DC Current 0.1 to 1000 mA
Accuracy: 0.1 mA: ±0.5%, ±3 counts; 1 mA – 1000 mA: ±0.25%, ±3 counts
True RMS Current 0.1 to 1000 mA
Accuracy, 0.1 mA: ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40 Hz – 4 kHz); ±4.5%, ±5 counts (4 kHz − 40 kHz); 1 mA – 1000 mA: ±2.5%, ±5 counts (DC); ±1.5%, ±5 counts (40 Hz – 4 kHz); ±3.5%,±5 counts (4 kHz − 40 kHz)
Current range input resistance 0.1 mA: 1000 Ω; 1 mA: 100 Ω; 10 mA: 10.2 Ω; 100 mA: 1.2 Ω; 1000 mA: 0.3 Ω
Resistance 1 KΩ: ±0.5%, ±3 counts; 10 KΩ – 1 MΩ: ±0.5%, ±1 count; 10 MΩ: ±1%, ±1 count
     — Oscilloscope Section —
Voltage ranges 5 mV/Div to – 100 V/Div, ±3%
Bandwidth (Voltage) DC – 1 MHz (at 10 mV/Div and below, 400 kHz)
Current ranges 5 µA/Div to 100 mA/Div, ±3%
Bandwidth (Current) DC – 200 kHz (5 µA/Div – 10 μA/Div); DC – 400 kHz (20 μA/Div – 200 mA/Div)
Input resistance 10 MΩ // 150 pF (5 mV/Div – 1 V/Div), 100 pF (2 V/Div to – 100 V/Div)
Rise time 875 ns (5 mV/Div – 10 mV/Div); 350 ns (20 mV/Div – 100 V/Div)
Sweep 500 ms/Div – 2 µs/Div, ±5% (magnified or unmagnified)
Batteries 2 × “D” NiCd cells
Operating time 3.5 hours typical at maximum intensity after full charge cycle
Charge time 16 h
Mains power 90 – 136 VAC. 48 – 62 Hz (Option 1: 180 – 250 VDC. or 180 – 250 VAC, 48 – 62 Hz)
Power consumption Less than 8 watts

Links

Internals

The 213 makes use of two Tek-made custom chips, the 155-0048-01 trigger sweep circuit, and the 155-0114-00 7-segment character generator in the DVM circuit. In addition, it includes some standard opamps (741, 324) and a 4-digit decimal counter (Mostek MK5007).

Pictures

  • Tek 213 front

    Tek 213 front

  • In DMM mode

    In DMM mode

  • Tek 214 (top), 213 (center) and 211 (bottom) stacked

    Tek 214 (top), 213 (center) and 211 (bottom) stacked

  • Tek 213 size comparison with 500 series plug-in bay (in a 585)

    Tek 213 size comparison with 500 series plug-in bay (in a 585)

  • 213 with pouch

    213 with pouch

  • right side

    right side

  • without covers, bottom/left

    without covers, bottom/left

  • without covers, left

    without covers, left

  • without covers, top

    without covers, top

  • without covers, operating, top/right

    without covers, operating, top/right

  • 213_amplifier_board

    213_amplifier_board

  • 213_bottom_view

    213_bottom_view

  • 213_closeup_CRT_drive

    213_closeup_CRT_drive

  • Plastic case halves

    Plastic case halves

  • Original battery, corroded

    Original battery, corroded

  • In DMM mode

    In DMM mode

  • In scope mode

    In scope mode

  • Catalog image, front

    Catalog image, front

  • Catalog image, side

    Catalog image, side

Schematics

  • Attenuator and Input Amplifier Schematic

    Attenuator and Input Amplifier Schematic

  • GM and RMS Converter Schematic

    GM and RMS Converter Schematic

  • Battery Charger and Power Supply Schematic

    Battery Charger and Power Supply Schematic

  • HV and CRT Schematic

    HV and CRT Schematic

  • A-D Converter and Character Generator Schematic

    A-D Converter and Character Generator Schematic

Custom ICs used in the 213

Page Model Part nos Description Designers Used in
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 • 607 • 624 • SC501 • R7912
155-0114-00 M127 155-0114-00 character generator 213
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