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{{Plugin Sidebar
|manufacturer=Tektronix
|series=500-series scopes
|type=Type J
|summary=35 MHz dual-trace amplifier
|image=Tek type j 1.jpg
|caption=Tektronix Type J
|introduced=(never)
|discontinued=(never)
|designers=Ron Olson;Phil Crosby;
|manuals=
* [[Media:type_j_tentative.pdf|Tektronix Type J Tentative Specs]] (OCR)
''(not released as a product)''
}}
The '''Tektronix Type J''' is a 35 MHz dual-trace plug-in for [[500-series scopes]] which never went into production.
The '''Tektronix Type J''' is a 35 MHz dual-trace plug-in for [[500-series scopes]] which never went into production.
It was designed by [[Ron Olson]] with help from [[Phil Crosby]].
It was designed by [[Ron Olson]] with help from [[Phil Crosby]].
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The Type J's tentative announcement was in 1963.
The Type J's tentative announcement was in 1963.
It appears to be similar to the [[1A1]],
It appears to be similar to the [[1A1]], which was [[introduced in 1964]].
which was [[introduced in 1964]].
The [[547]] training guide, dated December 30th, 1963 mentions "a new dual trace plug-in, the 1A1 (also known as the J)."
The [[547]] training guide, dated December 30th, 1963 mentions "a new dual trace plug-in, the 1A1 (also known as the J)."
Note: The Type J does not have a [[547#Spoiler_Switch|spoiler switch]] hole in the rear panel, while the 1A1 does have such a hole.
Note: The Type J does not have a [[547#Spoiler_Switch|spoiler switch]] hole in the rear panel, while the 1A1 does have such a hole.
<!-- * [http://w140.com/Tek_Type_J_tentative.pdf Tektronix Type J Tentative Specs (PDF)] -->
* [[Media:type_j_tentative.pdf|Tektronix Type J Tentative Specs (PDF, OCR)]]


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