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1. [TowerTalk] Baluns/tutorial/notes applied to the AV640 (score: 1): Author: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>; Date: Sat, 22 May 2010 18:49:02 -0400; I changed the subject line due to the AV640, but with the question of the Guanella balun and the other experiments, maybe I should have left it as it was? So if I take to "individual" current baluns; /archives//html/Towertalk/2010-05/msg00539.html (11,051 bytes)
2. Re: [TowerTalk] Baluns/tutorial/notes applied to the AV640 (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Sat, 22 May 2010 22:10:29 -0700; Yes. That series/parallel configuration is a well established design by Guanella (from the 60s, I think). An important part of that balun is the design of the common mode chokes that make up each leg; /archives//html/Towertalk/2010-05/msg00543.html (10,824 bytes)
3. Re: [TowerTalk] Baluns/tutorial/notes applied to the AV640 (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Sun, 23 May 2010 08:36:12 +0100; The devices that we are (mostly?) discussing here date back to 1949: High-Frequency Matching Transformer, US Patent 2,470,307, 17 May 1949 Unfortunately Guanella muddied the waters by publishing anot; /archives//html/Towertalk/2010-05/msg00545.html (11,277 bytes)

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