Title:
Novel Substrate Integrated Waveguide Cavity Filter With Defected Ground Structure
Author(s):
Yu Lin Zhang, Wei Hong, KeWu, , Ji Xin Chen, and Hong Jun Tang
Source:
IEEE Transactions on Microwave Theory and Techniques
Vol./Issue/Date:
Vol. 53, No. 4, April
Year:
2005
Page(s):
1280 - 1287
Keywords:
Bandpass filter, cavity, coplanar waveguide
(CPW), defected ground structure (DGS), eigenvalue problems,
finite difference frequency domain (FDFD), open structure, substrate
integrated waveguide (SIW).
Abstract:
An open-structure eigenvalue problem of substrate
integrated waveguide (SIW) cavity structures is investigated in
detail by using a finite-difference frequency-domain method, and
the quality ( ) factor of such SIW cavities is given. Based on the
concept of a defected ground structure, a new class of SIW cavity
bandpass filters are designed, fabricated, and measured around
5.8 GHz. With their fabrication on standard printed circuit
boards, such filters present the advantages of high- factor, high
power capacity, and small size. Simulated and measured results
are presented and discussed to show promising performances of
the proposed filters.
Document:
Reference Id:
52
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