Ultrawide Band Antenna and Filter Design
Ultrawide Band Antenna and Filter Design
Ultrawide Band Antenna and Filter Design
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>Design</strong> for Strip line type <strong>Filter</strong><br />
42<br />
Basic design<br />
Wave shortening design<br />
≒<br />
L<br />
L C L C<br />
C<br />
=<br />
4 f<br />
0<br />
ε<br />
r<br />
・the length of strip line decide frequency<br />
・dielectric constant material can make resonator shorter<br />
Cs<br />
f<br />
1<br />
=<br />
2π<br />
LC<br />
1<br />
f '=<br />
2π<br />
L(C+<br />
Cs)<br />
・possible to miniaturize by parallel<br />
capacitance with strip line<br />
2005/11/3