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Anodyne (Anodyne)

Jacob Roschy Martin Renz Ernst Erb Bernhard Nagel Eilert Menke 
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Forum » Valves / tubes - Semiconductors » VALVES/TUBES / SEMICONDUCTORS in RADIOMUSEUM » Anodyne (Anodyne)
Achim Dassow
CH  Articles: 85
Schem.: 3
Pict.: 50
16.Sep.12 19:21

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Dear Emilio, dear Readers,

i would like to inform you that NASA JPL could have been the most important user of this Tube. There exists a Report at the NASA Technical Reports Server which you could find via Google when entering "N72545" as a searchword.

Within this Report different Versions of the tube were mentioned, starting at p.47 of that document where the Type Numbers mentioned were: 2206-SW1 .... 2206-SW6, representing a development path.

Report 10 from January 26, 1954 mentioned "A number of 2206-SW5 type anodyne tubes were fabricated to assemble information on the uniformity of characteristics and to determine the ease of reproducing the
tubes. The type 2206-SW5 tube satisfied all contract specifications relating to the switching tube."

This statement lets me assume that NASA JPL itself could have initiated this development.

The one Anodyne you mentioned, featuring loktal base, was named 2206-SW6, representing the end of the development, having the highest conductance of all versions (1200 micromhos). The described purpose of use was signal switching within a duplexer module.

The last Report mentioned that "50 of each type were fabricated" and "The balance of the 100 tubes each of the SW3 and SW6 designs were also completed".