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Vintage dave (talk | contribs) (K is the first T-coil user) |
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series=[[500-series scopes]] | | series=[[500-series scopes]] | | ||
introduced=1955 | | introduced=1955 | | ||
discontinued= | discontinued=1971 | | ||
manuals= | manuals= | ||
* [http://bama.edebris.com/download/tek/k/k.djvu | * [[Media:070-230.pdf|Tektronix Type K Manual]] (PDF) | ||
* [ | ** [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)]] | |||
}} | }} | ||
The '''Tektronix Type K''' is a plug-in for [[500-series scopes]]. | The '''Tektronix Type K''' is a plug-in for [[500-series scopes]]. | ||
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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. | Type 53K/54K was [[introduced in 1955|introduced in March 1955]] along with the [[541]]/[[545]]. | ||
At that time, it was the only plug-in that could utilize the | At that time, it was the only plug-in that could utilize more than half of the new mainframes' speed; | ||
new mainframes' speed; the | the [[A|Type A]], [[B|Type B]], and [[C|Type C]] upgrades weren't ready until August 1956. | ||
weren't ready until August 1956. | In August 1955, just five months after introduction, it was renamed Type 53/54K, | ||
after introduction, it was renamed Type 53/54K, and | and in 1959, when the 541A/545A mainframes came out, it got its final name, Type K. | ||
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. | ||
It was dropped after 1970. | |||
[[K]], [[L]], and [[T]] are tied for longest production life, at 16 years. [[B]], [[D]], and [[G]] are next at 15 years. | |||
and | |||
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. | |||
and | |||
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. | |||
plug-ins | 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.) | |||
Late versions had a [[ | 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]]. | |||
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== | ||
<gallery> | <gallery> | ||
Type-k.jpg | |||
K_1.JPG | |||
K_2.JPG | |||
K_3.JPG | |||
Tek type k 2 bottom.jpg | |||
Tek type k 2 bottom3.jpg | |||
Tek type k 2 right.jpg | |||
Tek type k 2 right2.jpg | |||
K schem.png|schematic | |||
Tek 53-54 k.jpg|53/54K | |||
Tek k bottom fr.jpg|bottom view | |||
Tek k 1498 1.jpg | |||
Tek k 1498 2.jpg | |||
Tek k 1498 3.jpg | |||
Tek k 1498 4.jpg | |||
Tek k 1498 5.jpg | |||
Tek k 1498 6.jpg | |||
Tek type k late style.jpg|late style | |||
</gallery> | </gallery> | ||
[[Category:500 series plugins]] | [[Category:500 series plugins]] |
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