COPLANAR MMIC ACTIVE BANDPASS-FILTERS USING NEGATIVE-RESISTANCE CIRCUITS

被引:22
作者
HOPF, BP [1 ]
WOLFF, I [1 ]
GUGLIELMI, M [1 ]
机构
[1] EUROPEAN SPACE AGCY,EUROPEAN SPACE RES & TECHNOL CTR,2200 AG NOORDWIJK,NETHERLANDS
关键词
D O I
10.1109/22.339802
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
Several active bandpass filters for 1.8 and 5.5 GHz have been developed with the coplanar line technique using negative resistance circuits. For example, a first-order active bandpass filter at 5.5 GHz and two second-order bandpass filters at 1.8 GHz are presented, where one of the 1.8 GHz filters is a fixed center frequency filter and the other a tunable one. These 1.8 GHz filters have a 3 dB bandwidth of 110 MHz, The tuning range of the center frequency is 200 MHz.
引用
收藏
页码:2598 / 2602
页数:5
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