Ultrawide Band Antenna and Filter Design
Ultrawide Band Antenna and Filter Design
Ultrawide Band Antenna and Filter Design
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Variety <strong>and</strong> principle of ultra wide b<strong>and</strong> antenna<br />
self-complementary antenna<br />
19<br />
Z<br />
Z‘<br />
ZZ‘=<br />
Z0<br />
4<br />
2<br />
≒(60π) 2<br />
Figure out antenna impedance<br />
of antenna that complement each<br />
other by Babinet’s principle.<br />
(Booker’s relation)<br />
In addition, board <strong>and</strong> hole are<br />
the exactly same.<br />
Z=<br />
2<br />
Z0 =60π<br />
(Mushiake’s relation)<br />
It is constant regardless of frequency<br />
<strong>and</strong> configuration<br />
Self-complementary antenna<br />
2005/11/3
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