21 (plug-in): Difference between revisions

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(Created page with "{{Plugin Sidebar 2| title=Tektronix Type 21 | summary=Time base plug-in| image=image needed.jpg| caption=image needed| introduced=1959 | discontinued=(?) | series=555| man...")
 
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{{Plugin Sidebar 2|
{{Plugin Sidebar  
title=Tektronix Type 21 |
|manufacturer=Tektronix
summary=Time base plug-in|
|series=555
image=image needed.jpg|
|type=Type 21  
caption=image needed|
|summary=Time base plug-in
introduced=1959 |
|image=Tek 21 front.jpg
discontinued=(?) |
|caption=Type 21 front.jpg
series=[[555]]|
|introduced=1959  
manuals=
|discontinued=(?)  
|designers=
|manuals=
* [[Media:tek_type_21_22_fcp.pdf|Type 21 and 22 Factory Calibration Procedure (PDF, OCR)]]
* [[Media:tek_type_21_22_fcp.pdf|Type 21 and 22 Factory Calibration Procedure (PDF, OCR)]]
* [[Media:Tektronix 21a-22a.pdf|21A and 22A section of 555 manual (PDF)]]
* [[Media:Tektronix 21a-22a.pdf|21A and 22A section of 555 manual (PDF)]]
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==Pictures==
==Pictures==
'''Type 21'''
<gallery>
<gallery>
Tek 21 front.jpg| 21 front
Tek 21 top.jpg| 21 top
Tek 21 bottom.jpg| 21 bottom
Tek 555 1050 7.jpg  | Type 21 and 22
Tek 555 1050 7.jpg  | Type 21 and 22
</gallery>
'''Type 21A'''
<gallery>
Tek 21a front.jpg| 21A front
Tek 21a top.jpg| 21A top
Tek 21a bottom.jpg| 21 bottom
Tek 21a trigger board.jpg| 21A TD trigger board
</gallery>
</gallery>




[[Category:500 series plugins]]
[[Category:500 series plugins]]

Latest revision as of 10:14, 13 August 2021

Tektronix Type 21
Time base plug-in
Type 21 front.jpg

Compatible with 555

Produced from 1959 to (?)

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix Model 21 and successor 21A are time base plug-ins for the 555 dual-beam scope.

Type 21 is suggested as the upper beam time base, whereas sister model Type 22(A) is for the lower beam as it contains delayed trigger circuitry, and only the lower beam horizontal section is provided with delayed trigger pickup circuitry. The Delay multiplier control pot is also provided on the lower beam section.

Key Specifications

  • please add

Pictures

Type 21

  • 21 front

    21 front

  • 21 top

    21 top

  • 21 bottom

    21 bottom

  • Type 21 and 22

    Type 21 and 22

Type 21A

  • 21A front

    21A front

  • 21A top

    21A top

  • 21 bottom

    21 bottom

  • 21A TD trigger board

    21A TD trigger board

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