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楼主:一根短于1/4波长倍数的天线是呈容性我想问一下,这意思是说1/4波长以下长度的天线是容性的。而1个波长至1又1/4个波长的天线也是容性的?
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据此可以算出绕线圈数: 圈数 = [电感量* { ( 18*圈直径(吋)) + ( 40 * 圈长(吋))}] ÷ 圈直径 (吋) 圈数 = [4.6 * {(18*2.047) + (40*3.74)}] ÷ 2.047 = 12 圈
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