A Design Method of Wideband BPF Considering Frequency Dependence of Inverters for SAW Filter

Youna Jang, Junho Kim, Jongsu Ha,Dongsu Kim,Jongsik Lim,Sang-Min Han,Dal Ahn

2021 IEEE MTT-S International Microwave Filter Workshop (IMFW)（2021）

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摘要

In this paper, a band pass filter (BPF) design method considering the inverter’s frequency dependence is presented. In this method, the new admittance compensation method is added to the conventional method compensating for phase frequency variations. The proposed method efficiently improves the frequency shift and unwanted bandwidth when designing more than 20% of bandwidth, while the conventiona...

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关键词

Band-pass filters,Degradation,Frequency dependence,Design methodology,Resonator filters,SAW filters,Filtering theory

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