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Please use this identifier to cite or link to this item:
http://ir.ncue.edu.tw/ir/handle/987654321/10290
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| Title: | The Quasi-Elliptic Bandpass Filter Using Quarter-Wavelength Stepped Impedance Resonators |
| Authors: | Chen, Yu-Wei;Liu, Yen-Ju;Ho, Min-Hua |
| Contributors: | 電子工程學系 |
| Date: | 2006-06
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| Issue Date: | 2012-05-22T06:27:05Z
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| Publisher: | PIERS |
| Abstract: | A bandpass filter is designed using two end-connected quarter-wavelength stepped impedance resonators. The quarter-wavelength stepped impedance resonators are implemented by a half-wavelength stepped impedance resonator with its middle shorting to ground. Hence, the modes that the λ/4 stepped impedance resonator supports are the (1+2n)/4 which also occur on the branches of a combline. An enhanced U-shape coupling feed is adopted in the filter design to reduce the insertion losses as well as suppressing the harmonics. The proposed filter has a quasi-elliptic frequency response. An equivalent circuit model is developed and the experiments are conducted for circuit design verification. |
| Relation: | PIERS ONLINE, 2(6): 605-608 |
| Appears in Collections: | [電子工程學系] 期刊論文
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