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{{Plugin Sidebar 2 |
{{Plugin Sidebar
title=Tektronix Type K |
|manufacturer=Tektronix
summary=30 MHz amplifier plug-in |
|series=500-series scopes
image=K_1.JPG |
|type=Type K
caption=Type K |
|summary=30 MHz amplifier plug-in
series=[[500-series scopes]] |
|image=Tek type k front.jpeg
introduced=1955 |
|caption=Type K
discontinued=1971 |
|introduced=1955
manuals=
|discontinued=1971
|designers=John Kobbe;
|manuals=
* [[Media:070-230.pdf|Tektronix Type K Manual]] (PDF)
* [[Media:070-230.pdf|Tektronix Type K Manual]] (PDF)
** [http://bama.edebris.com/download/tek/k/k.djvu Alternate (DJVU @ BAMA)]
** [http://bama.edebris.com/download/tek/k/k.djvu Alternate (DJVU @ BAMA)]
* [[Media:tek_type_k_fcp.pdf|Tektronix Type K Factory Calibration Procedure (PDF, OCR)]]
* [[Media:tek_type_k_fcp.pdf|Tektronix Type K Factory Calibration Procedure (PDF, OCR)]]
}}
}}
The '''Tektronix Type K''' is a plug-in for [[500-series scopes]].
The '''Tektronix Type K''' is a 30 MHz amplifier plug-in for [[500-series scopes]].


Type 53K/54K was designed by [[John Kobbe]], and [[introduced in 1955|introduced in March 1955]] along with the [[541]]/[[545]]. In August of 1955, just five months after introduction, it was renamed Type 53/54K, and in 1959, when the 541A/545A mainframes came out, it got its final name, Type K. It was dropped after 1970, with [[L|Type L]] replacing it.
The name was deliberately chosen to be halfway into the alphabet.  Slow plug-ins would use A-J and fast ones L-Z.  This idea never went anywhere.
{{MissingSpecs}}
Max sensitivity is 50 mV/div, and bandwidth in a [[545]] is 30 MHz.
Max sensitivity is 50 mV/div, and bandwidth in a [[545]] is 30 MHz.


Type 53K/54K was [[introduced in 1955|introduced in March 1955]] along with the [[541]]/[[545]].
At the time of introduction, it was the only plug-in that could utilize more than half of the new mainframes' speed − the [[A|Type A]], [[B|Type B]], and [[C|Type C]] upgrades weren't ready until August 1956.
At that time, it was the only plug-in that could utilize more than half of the new mainframes' speed;
the [[A|Type A]], [[B|Type B]], and [[C|Type C]] upgrades weren't ready until August 1956.
In August 1955, just five months after introduction, it was renamed Type 53/54K,
and in 1959, when the 541A/545A mainframes came out, it got its final name, Type K.
It was dropped after 1970, with [[L|Type L]] replacing it.


[[K]], [[L]], and [[T]] are tied for longest production life, at 16 years. [[B]], [[D]], and [[G]] are next at 15 years.
Types K, [[L]], and [[T]] are tied for longest production life, at 16 years. [[B]], [[D]], and [[G]] are next at 15 years.


Type K was the fastest of the single-channel plug-ins.  Tek did not equal it until [[L|Type L]] in 1957, and did not exceed it until [[1A1|Type 1A1]] in 1964.
Type K was the fastest of the single-channel plug-ins, and the first plug-in to use [[T-coil|T-coils]].  Tek did not equal it until [[L|Type L]] in 1957, and did not exceed it until [[1A1|Type 1A1]] in 1964.


Earlier single-channel plug-ins had two inputs and a switch to select between them, making it convenient to probe two test points at once.   
Earlier single-channel plug-ins had two inputs and a switch to select between them, making it convenient to probe two test points at once.   
The Type K design could not tolerate the extra stray capacitance, and the feature was dropped, never to return.
The Type K design could not tolerate the extra stray capacitance, and the feature was dropped, never to return.
(Exception: the [[7A16P]], which has two input connectors and provides the ability to select which one is fed to the amplifier.)
(Exception: the [[7A16P]], which has two input connectors and provides the ability to select which one is fed to the amplifier.)
The name was deliberately chosen to be halfway into the alphabet.  Slow plug-ins would use A-J and fast ones L-Z.  This idea never went anywhere.


Late versions had a [[BNC connector]] instead of a [[UHF connector]].
Late versions had a [[BNC connector]] instead of a [[UHF connector]].


Types [[K]] and [[G]] are the only letter-series plug-ins
Types K and [[G]] are the only letter-series plug-ins
where the Gain vernier is not concentric with the step attenuator.
where the Gain vernier is not concentric with the step attenuator.
{{MissingSpecs}}


==Pictures==
==Pictures==
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</gallery>
</gallery>


{{Parts|K}}


[[Category:500 series plugins]]
[[Category:500 series plugins]]
Retrieved from "https://w140.com/tekwiki/wiki/Special:MobileDiff/61283...75192"

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