3A9: Difference between revisions

28 bytes added ,  28 November 2023
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{{Plugin Sidebar | manufacturer=Tektronix |
{{Plugin Sidebar  
type=3A9 |
|manufacturer=Tektronix  
summary=1 MHz differential amplifier |
|series=560-series scopes
image=3a9 front.jpg |
|type=3A9  
caption=Tektronix 3A9 front |
|summary=1 MHz differential amplifier plug-in
series=560-series scopes|
|image=Tek 3a9 front.jpeg
introduced=1969 |
|caption=Tektronix 3A9 front  
discontinued=1974 |
|introduced=1969  
manuals=
|discontinued=1974  
* [http://bama.edebris.com/download/tek/3a9/tek%203a9.v6.pdf Tektronix 3A9 Manual (PDF)]
|designers=Val Garuts
|manuals=
* [[Media:070-0913-00.pdf|Tektronix 3A9 Manual]] (PDF)
* [[Media:Tek 3a9 fcp april 1969.pdf|Tektronix 3A9 Factory Calibration Procedure, ‎April 1969]]
* [[Media:Tek 3a9 fcp april 1969.pdf|Tektronix 3A9 Factory Calibration Procedure, ‎April 1969]]
}}
}}
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It shares similarities with the [[3A10]] transducer amplifier and the [[7A22]] from the [[7000-series scopes|7000 series]] and [[5A22N]] from the  [[5000-series scopes]].
It shares similarities with the [[3A10]] transducer amplifier and the [[7A22]] from the [[7000-series scopes|7000 series]] and [[5A22N]] from the  [[5000-series scopes]].


The 3A9 features a variable high-frequency cut-off from 100 Hz to 1 MHz and a variable low-frequency  
The 3A9 features a variable high-frequency cut-off from 100 Hz to 1 MHz and a variable low-frequency cut-off from DC to 10 kHz.   
cut-off from DC to 10 kHz.  When DC coupled, the 3A9 provides a variable offset voltage.   
When DC coupled, the 3A9 provides a variable offset voltage.  The common mode rejection is 100,000:1.   
The common mode rejection is 100,000:1.   


{{BeginSpecs}}
{{BeginSpecs}}
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Tek 3a9 preamp.png|Preamp (front-end) schematic
Tek 3a9 preamp.png|Preamp (front-end) schematic
</gallery>
</gallery>
==Components==
{{Parts|3A9}}


[[Category:560 series plugins]]
[[Category:560 series plugins]]
[[Category:Differential amplifiers]]
[[Category:Differential amplifiers]]
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