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http://ir.ncue.edu.tw/ir/handle/987654321/10702
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| Title: | Design of spur-line-loaded cross-coupled dual-band bandpass filter with wide upper-end stopband |
| Authors: | Hsieh, Yi-Huan;Lee, Ching-Her;Hsu, Chung-I G. |
| Contributors: | 電子工程學系 |
| Keywords: | Cross-coupled;λ/4 SIRs;Spur-line;Dual-band bandpass filter |
| Date: | 2008-03
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| Issue Date: | 2012-05-29T01:22:42Z
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| Publisher: | Wiley Periodicals |
| Abstract: | This article presents the design of a compact fourth-order cross-coupled dual-band bandpass filter (BPF) having a wide upper-end stopband. Quarter-wavelength (λ/4) stepped-impedance resonators (SIRs) were employed to construct the BPF to have a relatively small circuit size and high spurious harmonics, as compared with the BPF using half-wavelength (λ/2) SIRs. The resonators tapped by the input and output feeding lines were loaded by a spur-line to suppress the first spurious passband so as to further broaden the upper-end stopband. BPFs with and without the embedded spur-lines were both simulated to compare their frequency responses. Very good agreement between the simulated and measured results was observed. |
| Relation: | Microwave and Optical Technology Lett, 50(3): 691-694 |
| Appears in Collections: | [電子工程學系] 期刊論文
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