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137 bytes added ,  7 January 2023
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The '''Tektronix Type E''' is a low-level differential amplifier plug-in for [[500-series scopes]].
The '''Tektronix Type E''' is a low-level differential amplifier plug-in for [[500-series scopes]].
The sensitivity ranges from 50 μV/div to 10 mV/div.  The input is an [[XLR connector]] feeding  
The sensitivity ranges from 50 μV/div to 10 mV/div.  The input is an [[XLR connector]] feeding  
directly into the grids of a [[12AX7]] differential amplifier.
directly into the grids of a [[12AX7]] differential amplifier.  
 
The Type E was mostly designed by [[Larry Dillard]] with the help of his technician.
It was mainly intended for biomedical applications.


Despite the DC-coupled input stage, the Type E is an AC-coupled amplifier.
Despite the DC-coupled input stage, the Type E is an AC-coupled amplifier.