7A21N: Difference between revisions

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The '''Tektronix 7A21N''' is a 7000-series plug-in that provides direct access to the CRT for fast-risetime  
The '''Tektronix 7A21N''' is a 7000-series plug-in that provides direct access to the CRT for fast-risetime -
AC signals on the 500 MHz-class 7900 series scopes, i.e. [[7904]]/[[7904A]], [[R7903]], [[7934]], [[7912AD]](?).
AC signals on the 500 MHz-class 7900 series scopes, i.e. [[7904]]/[[7904A]], [[R7903]], [[7934]], [[R7912]].


Input signals are applied via a pair of [[GR-874]] connectors.  
Input signals are applied via a pair of [[GR-874]] connectors.