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HIGH PERFORMANCE MICROSTRIP TRANSVERSE RESONANCE LOWPASS FILTER

机译:高性能微带横向谐振低通滤波器

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摘要

We report 5-pole Butterworth transverse resonance type lowpass filter (TR-LPF) at cut-off frequency 2.5 GHz with sharpness of cut-off 170 dB/GHz, at 20 dB, 30 dB, 40 dB, and 50 dB rejection bandwidth of 9.2 GHz, 7.7 GHz, 5.9 GHz, and 3.12 GHz, respectively. The depth of attenuation is 68.7 dB. The parameters could be optimized for given specification. Such high order of attenuation is achieved by 30-pole classical Hi-Lo LPF. The attenuation can be further increased to 72 dB for a 7-pole LPF and 94 dB for a 11-pole LPF. In case of the 11-pole LPF. In case of the 11-pole LPF at f=2.5 GHz, we can achieve more that 7.1 GHz rejection bandwidth at 70 dB rejection.
机译:我们报告了5极巴特沃斯横向共振型低通滤波器(TR-LPF),其截止频率为2.5 GHz,截止频率为170 dB / GHz,在20 dB,30 dB,40 dB和50 dB的抑制带宽下分别为9.2 GHz,7.7 GHz,5.9 GHz和3.12 GHz。衰减深度为68.7 dB。可以针对给定规范优化参数。如此高的衰减量是通过30极经典Hi-Lo LPF实现的。对于7极LPF,衰减可以进一步增加到72 dB,对于11极LPF,衰减可以进一步增加到94 dB。如果是11极LPF。如果在f = 2.5 GHz时使用11极LPF,则在70 dB抑制条件下,我们可以获得7.1 GHz以上的抑制带宽。

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