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- Title
Harmonic-Rejection Compact Bandpass Filter Using Defected Ground Structure for GPS Application.
- Authors
Haiwen Liu; Baoping Ren; Xiang Xiao; Zhichong Zhang; Shen Li; Suping Peng
- Abstract
A miniaturized bandpass filter (BPF) using defected ground structure (DGS) resonator with the characteristic of harmonic rejection is developed in this paper. The second and third harmonics of the proposed BPF are rejected by the characteristic of steppedimpedance DGS resonator. Moreover, open stubs are established so that two adjustable transmission zeros can independently be created to extend the stopband and improve the rejection level. Finally, a second-order BPF, centered at 1.62 GHz with a stopband extended up to 5.6 GHz and a rejection level betterthan 20 dB, is designed and implemented for GPS application. A good agreement between simulation and measurement verifies the validity of this design methodology.
- Subjects
GLOBAL Positioning System; HARMONIC analyzers; BANDPASS filters; SURFACE defects; ELECTRIC impedance; SIMULATION methods &; models
- Publication
Active & Passive Electronic Components, 2014, p1
- ISSN
0882-7516
- Publication type
Article
- DOI
10.1155/2014/436964