6939: Difference between revisions

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==Links==
==Links==
* radiomuseum.org: [[tube:6939|6939]] / [[tube:qqe025 | QQE02/5]] / [[tube:qqv02-6| QQV02/6]]
* radiomuseum.org: [[tube:6939|6939]] / [[tube:qqe025 | QQE02/5]] / [[tube:qqv02-6| QQV02/6]]
* [http://www.nj7p.org/Tubes/PDFs/Frank/079-RCA/6939.pdf Datasheet]


==Used in==
==Used in==
* [[581]]/[[585]] early models - final vertical output stage
* [[581]]/[[585]] early models - final vertical output stage
* [http://www.nj7p.org/Tubes/PDFs/Frank/079-RCA/6939.pdf Datasheet]


[[Category:Tetrodes]]
[[Category:Tetrodes]]

Revision as of 23:57, 25 May 2020

The 6939 (European equivalents QQE02/5, QQV02/6) is a dual tetrode (Qa 2 × 3 W) designed for push-pull RF amplifier power stages.

The 7699 is similar.

Links

Used in

  • 581/585 early models - final vertical output stage
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