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</o:shapelayout></xml><![endif]--></head><body lang=PT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>Exatamente, usamos um UNUN (não balun...) não precisamos de desbalancear nada.<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>“...<o:p></o:p></span></p><p class=MsoPlainText><b><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>How to make the “magic box” (1:50 to 1:60 autotransformer)<o:p></o:p></span></b></p><p class=MsoPlainText><b><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>The “magic box” holds an HF autotransformer (UNUN) that transforms 3000 Ohm to 50 Ohms. The primary : secundary winding ratio is 1:7 or 1:8. ...”<o:p></o:p></span></b></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>Aqui vai a minha End Fed:<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>1 cana de fibra de vidro, 7m (Decathlon €14)<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>22,5m de fio multi 0,25mm (de um cabo elétrico 2 cond aberto)<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>1 transformador 1:64 (custo do toroide 114:43 +€4)<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>1 sintonizador T-Match, construído nas “aulas” da Tertúlia (€10)<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>Peso:<1Kg<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>Bandas: dos 10 aos 80 (160 tb lá vai com 1/8 onda(?!?), mas é tempo perdido que não anda lá ninguém...)<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>73 from<o:p></o:p></span></p><p class=MsoPlainText><span style='font-size:12.0pt;font-family:"Calibri","sans-serif"'>José Machado - CT1BAT<o:p></o:p></span></p></div>
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