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464: Difference between revisions
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The 464 has a linear power supply. | The 464 has a linear power supply. | ||
The optional [[DM44]] multimeter attaches to the top of the instrument. | |||
==Specifications== | |||
[[Category:Specifications needed]] ''please add'' | |||
==Internals== | |||
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 [[2N5911]] dual JFET, part number 151-1032-00. | Next is a source-follower made with a [[2N5911]] dual JFET, part number 151-1032-00. | ||
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Triggering in the 464 is done using STD704 4.7 mA 18 pF [[tunnel diodes]], | Triggering in the 464 is done using STD704 4.7 mA 18 pF [[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]]. | presumably an improved version of the [[155-0032-00]]. | ||
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Serial numbers B010100 through B079999 use the [[154-0722-00]] CRT. | Serial numbers B010100 through B079999 use the [[154-0722-00]] CRT. | ||
Serial numbers B080000 and up use the [[154-0749-00]] CRT. | Serial numbers B080000 and up use the [[154-0749-00]] CRT. | ||
==Links== | ==Links== | ||
* [http://www.youtube.com/watch?v=gIUE4Lz9e8U Tektronix 464 storage modes - YouTube] | |||
* [http://w140.com/kurt/tek.html Kurt's Tektronix page - 464 repair] | |||
==Pictures== | ==Pictures== | ||