MICROWAVE ACTIVE-FILTERS BASED ON COUPLED NEGATIVE-RESISTANCE METHOD

被引：68

作者：

CHANG, CY ^{[1
]}

ITOH, T ^{[1
]}

机构：

[1] UNIV TEXAS,DEPT ELECT & COMP ENGN,AUSTIN,TX 78712

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1990年 / 38卷 / 12期

关键词：

D O I：

10.1109/22.64569

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new coupled negative resistance method to build a microwave active band-pass filter is introduced. Based on this method, four microstrip line end-coupled filters are built. Two are fixed-frequency one-pole and two-pole filters, and two are tunable one-pole and two-pole filters. In order to broaden the bandwidth of the end-coupled filter a modified end-coupled structure is proposed. Using the modified structure, an active filter with a bandwidth up to 7.5% is built. All of the filters show significant passband performance improvement.

引用

页码：1879 / 1884

页数：6

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