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Title: Properties of microstrip filter with elliptic-fractal pattern
Authors: Wang, S
Guo, M
Liu, W
Liu, ZY
Zhao, X
Issue Date: Jul-2007
Source: Review of scientific instruments, July 2007, v. 78, no. 7, 074702, p. 1-3
Abstract: We described the properties of microstrip band gap filter with elliptic-fractal pattern from 40 Hz to 20 GHz. It used the characteristic of the fractal and elliptic pattern to improve the performance of microstrip band gap filter. The center frequencies of gaps of the filter were about 5.5 and 15 GHz, and the band stop bandwidth of the filter can be increased by increasing the numbers of the cell of elliptic-fractal pattern. To verify the characteristic of dual-mode band gap filter, we simulated the above microstrip filter with the finite differential time-domain method. The simulation results were in good agreement with the experimental results.
Keywords: Band-pass filters
Band-stop filters
Finite difference time-domain analysis
Microstrip filters
Microwave filters
Publisher: American Institute of Physics
Journal: Review of scientific instruments 
ISSN: 0034-6748
EISSN: 1089-7623
DOI: 10.1063/1.2757135
Rights: © 2007 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in S. Wang et al., Review of scientific instruments 78, 074702 (2007) and may be found at
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