464: Difference between revisions

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The vertical signal path of the 464 starts with a rotary cam-operated compensated attenuator.
The vertical signal path of the 464 starts with a rotary cam-operated compensated attenuator.
Next is a source-follower made with a dual JFET.
Next is a source-follower made with a dual JFET, part number [[151-1032-00]]
Next is a discrete BJT-based preamp followed by diode-based channel switching
Next is a discrete BJT-based preamp followed by diode-based channel switching
and delay driver.  The final vertical amplifier, U464, is the [[155-0155-00]].   
and delay driver.  The final vertical amplifier, U464, is the [[155-0155-00]].   
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Triggering in the 464 is done using STD704 4.7mA 18pF [[tunnel diodes]],  
Triggering in the 464 is done using STD704 4.7mA 18pF [[tunnel diodes]],  
part number 152-0125-00 or 152-0125-01.
part number 152-0125-00 or 152-0125-01.
The trigger amplifier is made of discrete BJTs and a [[155-0032-01]] amplifier IC.
The trigger amplifier is made of discrete BJTs and a [[155-0032-01]] amplifier IC,
presumably an improved version of the [[155-0032-00]].
 
The horizontal amplifier is made of discrete BJTs.


Serial numbers B010100 through B079999 use the [[154-0722-00]] CRT.
Serial numbers B010100 through B079999 use the [[154-0722-00]] CRT.

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