(A) 適合較寬頻帶的 折合振子 YAGI by VR2ZNP<A ...魔鬼魚

VR2ZNP | all galleries >> Galleries >> It’s a great hobby > (A) 適合較寬頻帶的折合振子 YAGI


10-AUG-2007

傳統的八木天線由於受引子和反射振子的影響,其輸入阻抗較低。采用折合振子的形式,可有效地提高有源振子的輸入阻抗,也使其具有較寬的頻帶。
當工作頻率發生偏移時,在一定頻率範圍內,折合振子呈現的感抗與容抗可以互相補償,
使天線在較寬的頻率範圍內,保持其阻抗的穩定性。
(請看下一張照片)...

Ricoh Caplio RR10
1/30s f/2.8 iso100 with Flash full exif

other sizes: small medium original auto

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