39,450
edits
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{{Plugin Sidebar| | {{Plugin Sidebar 2 | | ||
title=Tektronix 7A21N| | title=Tektronix 7A21N | | ||
summary="Direct Access"| | summary="Direct Access" | | ||
image=Tek 7a21n front.jpg| | image=Tek 7a21n front.jpg | | ||
caption=7A21 front panel| | caption=7A21 front panel | | ||
introduced=1972 | | |||
discontinued=(?) | | |||
series=[[7000-series scopes]]| | series=[[7000-series scopes]]| | ||
manuals= | manuals= |