464: Difference between revisions

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{{Oscilloscope Sidebar |
{{Oscilloscope Sidebar
title=Tektronix 464 |
|manufacturer=Tektronix
summary=Portable 100 MHz dual-trace storage scope |
|series=400-series scopes
image=Tek 464 front.jpg |
|model=464
caption=Tektronix 464 front |
|summary=Portable 100 MHz dual-trace storage scope
introduced=1975 |
|image=Tek 464 trace2.jpg
discontinued=1985 |
|caption=Tektronix 464 front
manuals=
|introduced=1975
* [http://w140.com/tek_464.pdf Tektronix 464 Manual (PDF)]
|discontinued=1985
* [http://w140.com/tek_464_color_schematics.pdf Tektronix 464 Schematics (PDF, color)]
|manuals=
* [[Media:070-1653-01.pdf|Tektronix 464 Manual (PDF, OCR)]]
* [[Media:070-1652-00.pdf|Tektronix 466/464 Operators Manual]] (OCR)
* [[Media:tek_464_schematics.pdf|Tektronix 464 Schematics (PDF, color, OCR, bad-OCR)]]
* [[Media:070-1653-01.pdf|Tektronix 464 Service Manual]] (OCR)
* [[Media:050-1558-00.pdf|Modification: U3165 Replacement]]
* [[Media:tek_464_schematics.pdf|Tektronix 464 Schematics]] (color, bad-OCR)
* [[Media:061-2172-00.pdf|Tektronix 464 and 466 Option 10 Service Supplement]]
<small>
'''Modifications'''
* [[Media:050-1558-00.pdf|U3165 Replacement]]
</small>
}}
}}
The '''Tektronix 464''' is a portable 100 MHz dual-trace [[CRT storage scope]] with dual time bases.  
The '''Tektronix 464''' is a portable 100 MHz dual-trace [[CRT storage scope]] with dual time bases.  
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The optional [[DM44]] multimeter attaches to the top of the instrument.
The optional [[DM44]] multimeter attaches to the top of the instrument.


==Specifications==
{{MissingSpecs}}
[[Category:Specifications needed]] ''please add''


==Internals==
==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.
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.   
and delay driver.  The final vertical amplifier, U464, is the [[155-0155-00]].   
The final vertical amplifier, U464, is the [[155-0155-00]].   
The [[155-0077-01]] is listed as an alternative part for U464.
The [[155-0077-01]] is listed as an alternative part for U464.


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, presumably an improved version of the [[155-0032-00]].
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.
The horizontal amplifier is made of discrete BJTs.
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==Links==
==Links==
* [http://www.youtube.com/watch?v=gIUE4Lz9e8U Tektronix 464 storage modes - YouTube]
* [https://www.youtube.com/watch?v=gIUE4Lz9e8U Tektronix 464 storage modes - YouTube]
* [http://w140.com/kurt/tek.html Kurt's Tektronix page - 464 repair]
{{Documents|Link=464}}


==Pictures==
==Pictures==
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Tek 464 front.jpg
Tek 464 front.jpg
Tek 464 rear.jpg
Tek 464 rear.jpg
Tek 464 internal 1.jpg|internal view
Tek 464 internal 1.jpg | internal view
Tek 464 internal 2.jpg|internal view
Tek 464 internal 2.jpg | internal view
Tek 464 internal 3.jpg|internal view
Tek 464 internal 3.jpg | internal view
Tek 464 internal 4.jpg|internal view
Tek 464 internal 4.jpg | internal view
Tek 464 internal 5.jpg|internal view
Tek 464 internal 5.jpg | internal view
Tek 464 internal 6.jpg|internal view
Tek 464 internal 6.jpg | internal view
Tek 464 trace2.jpg
Tek 464 trace2.jpg
Tek 464 trace3.jpg
Tek 464 trace3.jpg
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</gallery>
</gallery>


==Components==
{{Parts|464}}


[[Category:400 series scopes]]
[[Category:400 series scopes]]


[[Category:Analog storage scopes]]
[[Category:Analog storage scopes]]