A 12-pole narrowband highly selective high-temperature superconducting filter for the application in the third-generation wireless communications
文献类型：期刊论文
| 作者 | Li, SZ ; Huang, JD ; Meng, QD ; Sun, L ; Zhang, Q ; Li, F ; He, AS ; Zhang, XQ ; Li, CG ; Li, H ; He, YS |
| 刊名 | IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
 |
| 出版日期 | 2007 |
| 卷号 | 55期号:4页码:754 |
| ISSN号 | 0018-9480 |
| 中文摘要 | An ultra-selective high-temperature superconducting bandpass filter was designed and fabricated to satisfy the demands of the third-generation wireless communications. This filter was designed to have 12-pole quasi-elliptic response with 4.68-MHz bandwidth in the third-generation communications band (a fractional bandwidth of 0.0023). Full-wave simulations were conducted by using Sonnet software. A novel, compact, and low radiation resonator with a high-quality (Q) factor value was developed to reduce the parasitical coupling. In order to satisfy the demand of high band-edge steepness, three pairs of transmission zeros at finite frequencies were introduced in the cascaded quadruplet coupling structure. The filter was fabricated on a 2-in-diameter 0.43-mm-thick sapphire wafer with double-sided YBCO films. The measurements showed that the passband center frequency (f(o)) of the filter is 2.038 GHz at 67 K with a midband insertion loss of 0.67 dB and the return loss better than 15 dB. The measured response of the filter also exhibited ultra-high band-edge steepness of 140-220 dB/MHz. Better than 60 dB of out-of-band rejections for frequencies very close to the band edge (vertical bar f - f(o)vertical bar > 2.7 MHz), better than 90 dB at frequencies 7.5 MHz away from the center frequency and up to 100 dB of wideband rejections were achieved. |
| 收录类别 | SCI |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/32827]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Li, SZ,Huang, JD,Meng, QD,et al. A 12-pole narrowband highly selective high-temperature superconducting filter for the application in the third-generation wireless communications[J]. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,2007,55(4):754. |
| APA | Li, SZ.,Huang, JD.,Meng, QD.,Sun, L.,Zhang, Q.,...&He, YS.(2007).A 12-pole narrowband highly selective high-temperature superconducting filter for the application in the third-generation wireless communications.IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,55(4),754. |
| MLA | Li, SZ,et al."A 12-pole narrowband highly selective high-temperature superconducting filter for the application in the third-generation wireless communications".IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES 55.4(2007):754. |
入库方式： OAI收割
来源：物理研究所
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