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|discontinued=1974
|discontinued=1974
|manuals=
|manuals=
* [[Media:070-0617-00.pdf|Tektronix 454 Manual]] (PDF)
'''454'''
* [http://w140.com/mmm/tek-454a.pdf Tektronix 454A Manual (whole schematics, no OCR, PDF)]
* [[Media:070-0617-00.pdf|Tektronix 454 Manual]]
* [[Media:070-1074-00.pdf|Tektronix 454A Manual (unstitched color schematics, OCR, PDF)]]
* [[Media:070-0617-00_2.pdf|Tektronix 454 Manual]] (whole schematics, no OCR)
* [http://w140.com/454A_Operators_Handbook_1970.pdf Tektronix 454A Operators Handbook (PDF, OCR)]
'''454A'''
* [[Media:Tek 454 eis no ocr.pdf|Tektronix 454 Engineering Instrument Specification (PDF, needs OCR)]]
* [[Media:070-1074-00.pdf|Tektronix 454A Manual]] (unstitched color schematics, OCR)
* [[Media:Tek 454 fcp jan 1968.pdf|Tektronix 454 Factory Calibration Procedure, January 1968 (PDF, needs OCR)]]
* [[Media:070-1106-00.pdf|Tektronix 454A Operators Handbook]] (OCR)
* [[Media:Tek 454 cal outline.pdf|Tektronix 454 Calibration Outline (PDF, OCR)]]
<small>
* [[Media:Tek 454 aberration spec.pdf|Tektronix 454 Aberration Specification (PDF, OCR)]]
'''Specs, Calibration'''
* [[Media:Tek 454 eis no ocr.pdf|Tektronix 454 Engineering Instrument Specification]] (needs OCR)
* [[Media:Tek 454 fcp jan 1968.pdf|Tektronix 454 Factory Calibration Procedure, January 1968]] (needs OCR)
* [[Media:Tek 454 cal outline.pdf|Tektronix 454 Calibration Outline]] (OCR)
* [[Media:Tek 454 aberration spec.pdf|Tektronix 454 Aberration Specification]] (OCR)
</small>
}}
}}
The '''Tektronix 454''' is a 150 MHz portable dual-trace scope [[introduced in 1967|introduced in March 1967]].
The '''Tektronix 454''' is a 150 MHz portable dual-trace scope [[introduced in 1967|introduced in March 1967]].
It can be seen as an improved [[453]].  The successor 454A was [[introduced in 1971]].
It can be seen as an improved [[453]].  The successor 454A was [[introduced in 1971]].


The 454 is the fastest general-purpose Tektronix scope that does not use proprietary hybrid
The 454 is the fastest general-purpose Tektronix scope that does not use proprietary hybrid or integrated circuits.
or integrated circuits.   It uses a CRT with [[distributed vertical deflection plates]].
It uses a CRT with [[distributed vertical deflection plates]].


==Specifications==
{{BeginSpecs}}
{{Spec | Bandwidth | 454A - 150 MHz (100 MHz @ 5 mV/div, 50 MHz @ 2 mV/div) }}
{{Spec | Deflection | 5 mV/div to 10 V/div, 1−2−5 }}
{{Spec | CRT | [[T4540]], P31 [[phosphor]] standard / P11 optional; +12/–1.96 kV acceleration }}
{{Spec | Weight | 13 kg / 29 lb }}
{{Spec | Power | 90–136/180−272 V, 48−440 Hz, 100–145 W }}
{{EndSpecs}}


With the input sensitivity set to 10 mV/div and above, the 454A has a vertical bandwidth of 150 MHz.
It is possible to cascade the Ch1/Ch2 input amplifiers to obtain a sensitivity of 400 μV/div at a bandwidth of 33 MHz.
At 5 mV/div it is 100 MHz, and at 2 mV/div it is 50 MHz.  


It is possible to cascade the channel-1 and channel-2 input amplifiers to obtain a sensitivity of 400 μV/div.
The 454 has two ±12 V probe power outputs for [[P6045]] probes.
In that configuration, the vertical bandwidth is 33 MHz.
 
The 454 weighs 29 pounds and consumes about 130 watts. 
It has two ±12 V probe power outputs for [[P6045]] probes.
 
:[[Category:Specifications needed]] ''please add''


==Internals==
==Internals==


The 454 has a 140 ns [[delay line]] in the signal path after the
The 454 has a 140 ns [[delay line]] in the signal path after the input channel switching and before the main vertical amplifier.
input channel switching and before the main vertical amplifier.
There is a phase equalizer after the delay line to mitigate the harm done to pulse fidelity by the delay line.
There is a phase equalizer after the delay line to mitigate the
harm done to pulse fidelity by the delay line.
 
The 454 uses the [[T4540]] CRT.


==454 Modifications==
==454 Modifications==
The 454 came in several different modifiactions that were indicated on the field on the frontplate directly below the "454" lettering, left of the serial number field. Known modifications are
The 454 came in several different modifiactions that were indicated on the field on the frontplate directly below the "454" lettering, left of the serial number field. Known modifications are
* MOD163D
* MOD163D
* MOD210N - [[P6047]] accessory probes come in 6ft variant with extra accessories.
* MOD210N - [[P6047]] accessory probes come in 6 ft variant with extra accessories.
 
==Links==
* [http://www.reprise.com/host/scopes/ Bill's Tektronix 453 and 454 Info Pages]


==Pictures==
==Pictures==
===454===
'''454'''
<gallery>
<gallery>


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454 vert out.gif
454 vert out.gif
</gallery>
</gallery>
===454A===
 
'''454A'''
<gallery>
<gallery>
Tek 454a sine square.jpg
Tek 454a sine square.jpg
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{{Parts|454}}
{{Parts|454}}
{{Parts|454A}}




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