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듀얼모드를 이용한 소형 UWB 필터
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | 서용근 | - |
| dc.date.accessioned | 2017-02-22T06:00:46Z | - |
| dc.date.available | 2017-02-22T06:00:46Z | - |
| dc.date.issued | 2008 | - |
| dc.date.submitted | 56877-07-05 | - |
| dc.identifier.uri | http://kmou.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002174847 | ko_KR |
| dc.identifier.uri | http://repository.kmou.ac.kr/handle/2014.oak/8950 | - |
| dc.description.abstract | A suggestion is proposed to use a circuit of microstrip ring resonators such as Ultra Wideband Bandpass filter in wireless communication. The Ring Filter's dimension is small, with low insertion loss, satisfactory skirt characteristic and a constant group delay into the UWB bandwidth. This filter makes it possible to control the cutoff frequencies which are dependent upon the ring and the parallel stub impedance. The rejected conditions of two cutoff frequencies on both side of the passband are dependable on parallel stub. This Bandpass filter has cutoff frequencies between 3.1 and 10.7GHz with the resonable position of stub at the end of symmetry plane. The circuit conditions of two attenuation poles at either side of the passband are given together with controlling them. To reject spurious suppression which is placed at impedance zero, we employ stepped impedance line near input port and output port. This filter is appropriate for UWB systems in all applications. | - |
| dc.description.tableofcontents | Contents Contents.......................................................................Ⅰ Nomenclature...............................................................Ⅱ List of Tables................................................................Ⅲ List of Figures...............................................................Ⅳ Abstract........................................................................Ⅴ Chapter 1. Introduction ....................................................1 Chapter 2. Conventional ring filte......................................4 2.1 Introduction...............................................5 2.2 Even-Odd mode ring resonator....................6 2.3 Conventional dual-mode ring filte.................7 2.4 Calculation and measurement of attenuation poles of ring bandpass filter...........................................10 2.5 Conventional 5-stage UWB BPF.................14 Chapter 3. Proposed compact size UWB filter...................20 3.1 Introduction.............................................20 3.2 Stepped impedance line for spurious suppression.....26 3.3 Fabrication and measurement...................30 Chapter 4. Conclusion...................................................38 References..................................................................39 Acknowledgment..........................................................42 | - |
| dc.language | eng | - |
| dc.publisher | 한국해양대학교 대학원 | - |
| dc.title | 듀얼모드를 이용한 소형 UWB 필터 | - |
| dc.title.alternative | A Compact UWB Ring Filter Using A Dual-Mode Resonator With Spurious Supression | - |
| dc.type | Thesis | - |
| dc.date.awarded | 2008-02 | - |
| dc.contributor.alternativeName | Seo Yong Keun | - |
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