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{{Oscilloscope Sidebar |manufacturer=Tektronix | | {{Oscilloscope Sidebar | ||
model= 464 | | |manufacturer=Tektronix | ||
summary=Portable 100 MHz dual-trace storage scope | | |series=400-series scopes | ||
image=Tek 464 | |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 | ||
* [ | |discontinued=1985 | ||
|manuals= | |||
* [[Media:070-1653-01.pdf|Tektronix 464 Manual ( | * [[Media:070-1652-00.pdf|Tektronix 466/464 Operators Manual]] (OCR) | ||
* [[Media:tek_464_schematics.pdf|Tektronix 464 Schematics ( | * [[Media:070-1653-01.pdf|Tektronix 464 Service Manual]] (OCR) | ||
* [[Media:050-1558-00.pdf| | * [[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. | ||
{{MissingSpecs}} | |||
==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== | ||
* [ | * [https://www.youtube.com/watch?v=gIUE4Lz9e8U Tektronix 464 storage modes - YouTube] | ||
{{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]] |