Extracting of compact tunable BPF from LPF using single T-DGS-resonator and 0.25PF/0.5PF Chip Monolithic Ceramic Capacitors

Extracting of compact tunable BPF from LPF using single T-DGS-resonator and 0.25PF/0.5PF Chip Monolithic Ceramic Capacitors
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使用单个 T-DGS 谐振器和 0 25PF/0 5PF 片状独石陶瓷电容器从 LPF 中提取紧凑型可调谐 BPF

DOI:
10.1109/intee.2015.7416727
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发表时间:
2016
期刊:
2015 4th International Conference on Electrical Engineering (ICEE)
影响因子:
--
通讯作者:
Challal
Challal
中科院分区:
--
文献类型:
--
作者:
Boutejdar;Ibrahim;Challal

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提出了一种新型的紧凑型缺陷地结构(DGS)低通滤波器(LPF)和可调谐带通滤波器(BPF)。设计的滤波器由一个TDGS谐振器组成,该谐振器由50欧姆微带线激励,放置在输入和输出之间的顶层。补偿贴片电容的加入改善了低插入损耗和超宽阻带,在2.2 GHz至3.6 GHz范围内衰减15 dB。滤波器的尺寸很小(0.023 λg ~ 0.044 λg,λg = 0.263 m)。利用可变片式单片陶瓷电容和J型反相器技术从低通滤波器拓扑中提取可调谐带通滤波器。的测量和EM模拟结果,并进行了讨论。
A novel compact defected ground structure (DGS) lowpass filter (LPF) and tunable bandpass filter (BPF) are proposed in this paper. The designed filter consists of one TDGS resonator, which is excited by 50 ohm microstrip line, placed on top layer between the input and output this structure. The addition of compensated patch capacitor improves the low insertion loss and ultra-wide stopband with 15 dB attenuation from 2.2 GHz to 3.6 GHz. The size of the proposed filter is very small (0.023 λg ç 0.044 λg, with λg = 0.263 m). The tunable BPF is extracted from LPF topology using variable Chip Monolithic Ceramic Capacitors and J-inverter technique. The measured and the EM simulated results are presented and discussed.
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