A V-band CPW bandpass filter with controllable transmission zeros in integrated passive devices (IPD) technology

Yin-Cheng Chang, Ping-Yi Wang, S. Hsu, Ta-Yeh Lin, Chaoping Hsieh, D. Chang
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引用次数: 11

Abstract

A 60 GHz CPW bandpass filter (BPF) with two controllable transmission zeros is proposed. The BPF, which utilizes the spiral defected ground structure (DGS) and interdigital structure as the resonators, is designed and fabricated on the integrated passive device (IPD) technology. The proposed filter has the measured 3dB bandwidth of 8.53 GHz (56.54-65.07 GHz) with the insertion loss of 4.84 dB including pads. The center frequency is 60.81 GHz, and the maximum return loss is better than 25 dB in the passband. A good agreement between the simulated and measured results has been shown. By comparing to other reported Si-based V-band BPFs, this work achieves a good fractional BW (FBW) of 14% with a compact size of 0.18mm2.
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集成无源器件(IPD)技术中具有可控传输零点的v波段CPW带通滤波器
提出了一种具有两个可控传输零点的60 GHz CPW带通滤波器(BPF)。采用集成无源器件(IPD)技术设计和制造了以螺旋缺陷接地结构(DGS)和数字间结构(interdigital structure)为谐振腔的BPF。该滤波器的3dB测量带宽为8.53 GHz (56.54-65.07 GHz),包括焊盘在内的插入损耗为4.84 dB。中心频率为60.81 GHz,最大回波损耗在通带内优于25 dB。模拟结果与实测结果吻合较好。通过与其他已报道的si基v波段bpf进行比较,该研究获得了良好的BW分数(FBW),为14%,紧凑尺寸为0.18mm2。
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