使用微带环形谐振器的损耗补偿高q可调谐巴斯通滤波器

The 2011 International Conference on Advanced Technologies for Communications (ATC 2011) Pub Date : 2011-09-26 DOI:10.1109/ATC.2011.6027464

Jia Chen, N. Luong, Xiaowei Zhu

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引用次数: 2

摘要

提出了一种基于变容调谐微带方环谐振器的损耗补偿可调谐带通滤波器，其调谐范围为698 ~ 802mhz，裙边频率响应较陡。该滤波器采用PHEMT ATF34143，带有适当的反馈元件作为负电阻电路，不仅降低了插入损耗，而且显著提高了q因子。仿真结果表明，该滤波器的3db分数带宽为1%，插入损耗约为6.8dB。

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Loss compensated high-Q tunable basspass filter using microstrip ring resonators

A loss compensated tunable bandpass filter based on varactor-tuned microstrip square ring resonators is presented, which has a tuning range of 698–802MHz and steep skirt frequency response. The filter employs a PHEMT ATF34143 with appropriate feedback elements acting as a negative resistance circuit which not only reduces the insertion loss but also increases Q-factor significantly. According to the simulation results, the filter has a 3-dB fractional bandwidth of 1% and an insertion loss of about 6.8dB.

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来源期刊

The 2011 International Conference on Advanced Technologies for Communications (ATC 2011)

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