Difference between revisions of "C"

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Image:C_early_1.JPG|53C-Plugin´s Front
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C_early_1.JPG|53C-Plugin´s Front
Image:C_early_2.JPG|53C-Plugin´s chassis
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C_early_2.JPG|53C-Plugin´s chassis
Image:C_early_3.JPG|53C-Plugin´s chassis side
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C_early_3.JPG|53C-Plugin´s chassis side
Image:C later 1.JPG|53/54C-Plugin´s front
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C later 1.JPG|53/54C-Plugin´s front
Image:IMG 0949.JPG|53/54C-Plugin´s chassis
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IMG 0949.JPG|53/54C-Plugin´s chassis
Image:C later 3.JPG|53/54C-Plugin´s chassis bottom
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C later 3.JPG|53/54C-Plugin´s chassis bottom
Image:Tek c schem.png
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Tek c schem.png
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Tek 53-54c 1.jpg|53/54C
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Tek 53-54c 2.jpg|53/54C
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Tek 53-54c 3.jpg|53/54C
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Tek 53-54c 4.jpg|53/54C
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Tek 53-54c 5.jpg|53/54C
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Tek 53-54c 6.jpg|53/54C
 
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[[Category:500 series plugins]]
 
[[Category:500 series plugins]]

Revision as of 19:19, 29 October 2017

Tektronix Type (53)C
Dual-trace 8.5 MHz amplifier
Tektronix Type C (later version)

Compatible with 500-series scopes

Produced from 1954 to 1959

Manuals
Manuals – Specifications – Links – Pictures
Actually, there never was a Type C, but that name is sometimes used as shorthand for the official "Type 53C" and "Type 53/54C" nomenclatures.

The Tektronix Type 53C is a dual-trace plug-in for 500-series scopes. It was introduced along with the 531 and 535 mainframes in 1954. It is very possibly the first dual-trace scope or plugin ever.

Specifications

In the 53x scopes (Tek never documented its performance in the 540's), its bandwidth is 8.5 MHz, and like most letter-series plug-ins, its maximum vertical sensitivity is 50 mV/div. Unlike the Type A and Type B, the Type C had the ability to invert the signal before display.

Type 53C was replaced by Type 53/54C in 1956 when the 541 and 545 were introduced. The Type 53/54C's bandwidth is 24 MHz in those scopes. In 1959 it was replaced by Type CA.

Internals

At 15 tubes, the Type 53/54C and Type CA have the highest tube count of any letter-series plug-in. Each channel consists of a 6AK5 cathode-follower driving a 12AU6 differential pair which drives a 6AU6 differential pair. The two channels converge on a 12AT7 cross-coupled cathode-follower. Four more tubes, a 6AL5 and three 12AT7's, comprise a logic circuit which determines which channel drives the output at any given moment. The options are A, B, CHOPPED, and ALT.

Links

Pictures