Broadband Tunable CMOS RF Bandpass filter using a Modified Active Inductor Topology

被引：1
作者：
Kumari, Mamta [1 ]
Ghosh, Debapratim [1 ]
机构：
[1] Indian Inst Technol Bhubaneswar, Sch Elect Sci, Bhubaneswar 752050, Odisha, India
来源：
2022 IEEE MICROWAVES, ANTENNAS, AND PROPAGATION CONFERENCE, MAPCON | 2022年
关键词：
Active inductor; bandpass filter; inductive source degeneration tunable filter; second harmonic suppresion; DESIGN;
D O I：
10.1109/MAPCON56011.2022.10047309
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：
In this paper, a modified active inductor based bandpass RF filter is proposed that achieves a broad tuning frequency range. A bandpass filter based on the proposed active inductor is shown be operated from 2 to 6.1 GHz. The filter's passband frequency and quality factor is tuned by changing the biasing voltage of PMOS current mirror. The second and higher order harmonic suppression is better than at least 19dB. The proposed active filter is designed using UMC 180nm RF/MM process parameters and works with a 1.8V DC power supply. The filter also exhibits input port return losses up to 14dB over the range 2-6 GHz, making it fairly well matched over its functional bandwidth.
引用
收藏
页码：490 / 494
页数：5
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