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Total 3 documents matching your query.

1. Re: LF: Tube EF50 (score: 1): Author: "M.J.Powell" <[email protected]>; Date: Thu, 15 Mar 2001 19:15:16 +0000; The tube was used for HF- and wideband-amplification up to 50MHz. The amplification could be regulated by varying the negative voltage at grid 3 - says the book. This seems a little unbelievable to m; /rsgb_lf_group-archives/html/rsgb_lf_group/2001-03/msg00248.html (9,335 bytes)
2. Re: LF: Tube EF50 (score: 1): Author: "Brian Rogerson" <[email protected]>; Date: Thu, 15 Mar 2001 16:12:08 +0000; I'm sorry, I could not resist. 73, Brian The tube was used for HF- and wideband-amplification up to 50MHz. The amplification could be regulated by varying the negative voltage at grid 3 - says the bo; /rsgb_lf_group-archives/html/rsgb_lf_group/2001-03/msg00255.html (9,089 bytes)
3. LF: Tube EF50 (score: 1): Author: "Walter Staubach" <[email protected]>; Date: Thu, 15 Mar 2001 15:55:22 +0100; With nostalgic smile I read the many mails about EF50 and other tubes that I used in the "tube-times" of my ham-life. Here some electrical data of it: (source: Röhren-Taschen-Tabelle Franzis-Verlag M; /rsgb_lf_group-archives/html/rsgb_lf_group/2001-03/msg00257.html (8,444 bytes)

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