60-GHz Compact Dual-Mode On-Chip Bandpass Filter Using GaAs Technology
Kai‐Da XuSchool of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an, ChinaYing-Jiang GuoMicrosystem and Terahertz Research Center, China Academy of Engineering Physics, Chengdu, ChinaYiqun LiuSchool of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an, ChinaXianjin DengMicrosystem and Terahertz Research Center, China Academy of Engineering Physics, Chengdu, ChinaQiang ChenTohoku University, Sendai, JapanZhewang MaGraduate School of Science and Engineering, Saitama University, Saitama, Japan
2021en
ABI
Аннотация
A 60-GHz compact dual-mode on-chip bandpass filter (BPF) is presented using gallium arsenide (GaAs) technology. To demonstrate the working mechanism of the proposed BPF, an LC equivalent circuit model is conceived and analyzed for further investigation of the transmission poles and zeros. Finally, a prototype of the BPF is fabricated and tested to validate the proposed idea, whose simulated and measured results are in good agreement. The measurements show that it has a center frequency of 58.7 GHz with a bandwidth of 18.4%, and the minimum insertion loss within the passband is 2.42 dB. The chip size, excluding the feedings, is about 0.158 mm ×0.344 mm.
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