3A1: Difference between revisions

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Deflection factor ranges from 10mV/div to 10V/div.  The input signal passes through
Deflection factor ranges from 10mV/div to 10V/div.  The input signal passes through
compensated attenuators and then into a cathode-follower stage made of two [[7586]] Nuvistor
compensated attenuators and then into a cathode-follower stage made of two [[7586]] Nuvistor
tubes.  Channel switching in ALTERNATE mode is done using diodes.  The output stage that
tubes.   
drives the vertical deflection plates of the scope uses a pair of 8233 frame grid power
Channel switching in ALTERNATE mode is done using diodes.  The output stage that
pentode tubes.
drives the vertical deflection plates of the scope uses a pair of [[8233]]
frame grid powerpentode tubes.


* [http://bama.edebris.com/download/tek/3a1/3a1.djvu Tektronix 3A1 Manual (PDF)]
* [http://bama.edebris.com/download/tek/3a1/3a1.djvu Tektronix 3A1 Manual (PDF)]