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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.8 No.1
- 발행연도
- 2013.1
- 수록면
- 168 - 175 (8page)
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This paper presents compact dual-band WLAN filter and filter module. They were developed by embedding all of the passive lumped elements into a LTCC substrate. In order to reduce the size/volume of the filter and avoid EM parasitic couplings between the passive elements, the proposed filter was designed using a 3rd order Chebyshev circuit topology and J-inverter transformation technology. The 3rd order Chebyshev bandpass filter was firstly designed for the bandselection of the 802.11b and was then transformed using finite transmission zeros technologies. Finally, the dual-band filter was realized by adding two notch resonators to the 802.11b filter circuit for the band-selection of the 802.11a/g. The maximum insertion losses in the lower and higher passbands were better than 2.0 and 1.3 dB with minimum return losses of 15 and 14 dB, respectively. Furthermore, the filter was integrated with a diplexer to clearly split the signals between 2 and 5 GHz. The maximum insertion and minimum return losses of the fabricated module were 2.2 and 14 dB at 2.4 - 2.5 GHz, and 1.6 and 19 dB at 5.15 - 5.85 GHz, respectively. The overall volume of the fabricated filter was 2.7 × 2.3 × 0.59 mm3.
목차
Abstract
1. Introduction
2. Design Theory
3. Fabrication
4. Experimental Results and Discussion
5. Conclusion
Acknowledgements
References
참고문헌 (20)
참고문헌 신청
1. [학술지(정기간행물)] - J. T. Juo. / 2005 / Design of Microstrip Bandpass Filters With a Dual-Passband Response / IEEE Trans. Microwave Theory and Techniques 53 (4) : 1331 ~ 1337
2. [학술지(정기간행물)] - M. H. Weng. / 2007 / Compact and Low Loss Dual-Band Bandpass Filter Using Pseudo-Interdigital Stepped Impedance Resonators for WLANs / IEEE Microwave and Wireless Components Letters 17 (3) : 187 ~ 189
3. [학술지(정기간행물)] - G. A. Lee. / 2005 / Low-Cost Compact Spiral Inductor Resonator Filters for System-In-a-Package / IEEE Trans. Advanced Packaging 28 (4) : 761 ~ 771
4. [학술지(정기간행물)] - C. W. Tang. / 2006 / Design of a Dual-Band Bandpass Filter With Low-Temperature Co-Fired Ceramic Technology / IEEE Trans. Microwave Theory and Techniques 54 (8) : 3327 ~ 3332
5. [학술지(정기간행물)] - E. E. Djoumessi. / 2009 / Multilayer Dual-Mode Dual-Bandpass Filter / IEEE Microwave Wireless Components Letter 19 (1) : 21 ~ 23
2. [학술지(정기간행물)] - M. H. Weng. / 2007 / Compact and Low Loss Dual-Band Bandpass Filter Using Pseudo-Interdigital Stepped Impedance Resonators for WLANs / IEEE Microwave and Wireless Components Letters 17 (3) : 187 ~ 189
3. [학술지(정기간행물)] - G. A. Lee. / 2005 / Low-Cost Compact Spiral Inductor Resonator Filters for System-In-a-Package / IEEE Trans. Advanced Packaging 28 (4) : 761 ~ 771
4. [학술지(정기간행물)] - C. W. Tang. / 2006 / Design of a Dual-Band Bandpass Filter With Low-Temperature Co-Fired Ceramic Technology / IEEE Trans. Microwave Theory and Techniques 54 (8) : 3327 ~ 3332
5. [학술지(정기간행물)] - E. E. Djoumessi. / 2009 / Multilayer Dual-Mode Dual-Bandpass Filter / IEEE Microwave Wireless Components Letter 19 (1) : 21 ~ 23
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