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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title=Tektronix Type 21 |
title=Tektronix Type 21 |
summary=Time base plug-in|
summary=Time base plug-in|
image=image needed.jpg|
image=Tek 21 front.jpg|
caption=image needed|
caption=Type 21 front.jpg|
introduced=1959 |
introduced=1959 |
discontinued=(?) |
discontinued=(?) |
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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]]

Revision as of 04:34, 9 December 2019

Template:Plugin Sidebar 2 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

Type 21A