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The Tektronix Type K is a plug-in for [[500-series scopes]]. | The Tektronix Type K is a plug-in for [[500-series scopes]]. | ||
Max sensitivity is 50mV/div, and bandwidth in a [[545]] is 30MHz. | |||
Type K was the fastest of the single-channel plugins. | |||
Tek did not equal it until Type [[L]] in 1957, | |||
and did not exceed it until Type [[1A1]] in 1964. | |||
Earlier single-channel plugins 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 name was deliberately chosen to be halfway into the alphabet. Slow | |||
plugins would use A-J and fast ones L-Z. This idea never went anywhere. | |||
Type 53K/54K was introduced in March 1955 along with the 541/545. | |||
At that time, it was the only plugin that could utilize the | |||
new mainframes' speed; the redesigned Types [[A]], [[B]], and [[C]] | |||
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 5xxA mainframes came out, it got its final name, Type K. | |||
* http://bama.edebris.com/manuals/tek/k/ | * http://bama.edebris.com/manuals/tek/k/ | ||
* http://w140.com/tek_fcp/tek_type_k_factory_cal_proc.pdf | * http://w140.com/tek_fcp/tek_type_k_factory_cal_proc.pdf | ||