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Audio and Video Talk
Valves / Vacuum Tubes
DIY Simple Output Transformer
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<blockquote data-quote="Yves" data-source="post: 62306" data-attributes="member: 1208"><p>Yes, 1.1 Tesla is allowable for standard laminations and 1.4 for GOSS ones.</p><p>Choose the right one double clicking in the list at the right of the grey block (Std or M6X) <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p></p><p>I second Ampdog about the primary inductance !</p><p></p><p>Also look at copper losses wich are below 7%.</p><p>Of course, nobody wants to build a loosy OPT, but you may safely accept up to 10%, that means you may reduce wire dia, at primary and/or at secondary and choose it to optimize the filling of the bobin (full-but not so-layers).</p><p>You will also note a reduction of the leakage inductance (good for Gnfb stability at hi end !)</p><p></p><p>Yves.</p></blockquote><p></p>
[QUOTE="Yves, post: 62306, member: 1208"] Yes, 1.1 Tesla is allowable for standard laminations and 1.4 for GOSS ones. Choose the right one double clicking in the list at the right of the grey block (Std or M6X) ;) I second Ampdog about the primary inductance ! Also look at copper losses wich are below 7%. Of course, nobody wants to build a loosy OPT, but you may safely accept up to 10%, that means you may reduce wire dia, at primary and/or at secondary and choose it to optimize the filling of the bobin (full-but not so-layers). You will also note a reduction of the leakage inductance (good for Gnfb stability at hi end !) Yves. [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
DIY Simple Output Transformer
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