基于数字间发夹谐振器(IHR)的高选择性平面微带低通滤波器

2019 2nd International Conference on Computer Applications & Information Security (ICCAIS) Pub Date : 2019-05-01 DOI:10.1109/CAIS.2019.8769446

T. A. Nisamol, P. Abdulla, V. Hamsakutty

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引用次数: 1

摘要

利用数字间发夹谐振器(IHR)设计了平面微带低通滤波器，实现了高选择性和高达17次谐波的抑制。该样机设计的3db截止频率为0.82 GHz，在相对阻带宽度为177%的情况下获得了185 dB/GHz的滚降。发夹谐振器与抑制细胞级联组合的数字间效应给出了归一化截面为$0.137\ \boldsymbol{\lambda}_{\text{g}}\乘以0.069\ \boldsymbol{\lambda}_{\text{g}}$的高端结果。

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Highly Selective Planar Microstrip Lowpass Filter Using Interdigital Hairpin Resonator (IHR)

Planar microstrip lowpass filter is designed using the inter-digital hairpin resonators (IHR) to achieve high selectivity and suppression is up to 17th order harmonics. The prototype is designed with 3 dB cut-off frequency of 0.82 GHz and obtain rolloff of 185 dB/GHz with 177% relative stopband width. The interdigital effect of cascaded combination of hairpin resonators along with suppressing cells give high end results with normalized cross section of $0.137\ \boldsymbol{\lambda}_{\text{g}}\times 0.069\ \boldsymbol{\lambda}_{\text{g}}$.

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2019 2nd International Conference on Computer Applications & Information Security (ICCAIS)

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