南开大学信息技术科学学院,天津,300071
纸质出版:2009
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周春霞, 夏侯海, 左 涛, 等. 自均衡双通带微带滤波器综合与设计[J]. 电子学报, 2009,37(12):2783-2786.
ZHOU Chun-xia, XIAHOU Hai, ZUO Tao, et al. Synthesis and Design of Self-Equalized Dual Passband Filters[J]. Acta Electronica Sinica, 2009, 37(12): 2783-2786.
本文介绍了一种利用复传输零点设计自均衡双通带滤波器的方法
并用开环微带谐振器实现该滤波器电路.利用全波仿真软件
设计了一个12阶双通带自均衡高温超导薄膜微带滤波器.仿真结果显示该滤波器两个通带分别为2.631~2.679GHz
2.781~2.829GHz
阻带为2.681~2.779GHz
平坦的群时延占整个带宽60%以上.
We report a method for designing self-equalized dual-passband filters by using complex transmission zeros.The filter is realized by utilizing open-loop microstrip resonators.Using full-wave EM software
a 12-pole high-temperature-superconducting (HTS) filter which has two self-equalized passbands is designed.The two passbands (2.631~2.679GHz and 2.781~2.829GHz) are separated by a stopband (2.681~2.779GHz).The result indicates that the flat group delay is over 60 percent of the passbands.
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