3A9: Difference between revisions

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manuals=
manuals=
* [http://bama.edebris.com/download/tek/3a9/tek%203a9.v6.pdf Tektronix 3A9 Manual (PDF)]
* [http://bama.edebris.com/download/tek/3a9/tek%203a9.v6.pdf Tektronix 3A9 Manual (PDF)]
* [[Media:Tek 3a9 fcp april 1969.pdf‎]]
* [[Media:Tek 3a9 fcp april 1969.pdf|Tektronix 3A9 Factory Calibration Procedure, ‎April 1969]]
}}
}}
The '''Tektronix 3A9''' is a differential amplifier plug-in [[introduced in 1969]] for [[560-series scopes]].
The '''Tektronix 3A9''' is a differential amplifier plug-in [[introduced in 1969]] for [[560-series scopes]].