l波段无线通信中数字间带通滤波器的设计与开发

2022 IEEE Fourth International Conference on Advances in Electronics, Computers and Communications (ICAECC) Pub Date : 2022-01-10 DOI:10.1109/ICAECC54045.2022.9716611

G. R. K. Dora, R. Biradar, M. Prakruthi

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引用次数: 0

摘要

新时代的无线应用要求在兆赫频率上强烈抑制不需要的信号。这就需要设计低损耗、高衰减的带通滤波器。本文提出了一种紧凑的0.5 dB切比雪夫数字间带通滤波器(IDBPF)的设计，该滤波器工作频率为F0=875MHz，用于空间应用。IDBPF的设计阶数为n=9。采用ADS (Advanced Design System)软件对滤波器进行设计。所设计的滤波器是在相对介电常数$\varepsilon_{r}$为3.66的ro450b衬底上制作的。滤波器的通带宽为$F0 \pm 125MHz$，在875MHz时插入损耗为$5 \pm 3dB$，在1050MHz和650MHz时抑制值分别为40dB min和25dB min。在这种设计中，抑制比插入损耗更重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Design and development of Interdigital Band pass filter for L-Band Wireless Communication Applications

New age wireless applications demand sharp rejection of unwanted signals at MHz frequencies. This necessitates the design of low loss, high attenuation bandpass filters. This paper proposes a design of compact 0.5 dB Chebyshev interdigital bandpass filter (IDBPF) which operates at a frequency of F0=875MHz used for space applications. The IDBPF is designed for an order n=9. Advanced Design System (ADS) software is used to design the filter. The designed filter is fabricated on a RO4350B substrate which has a relative dielectric constant $\varepsilon_{r}$ of 3.66. Filter has pass bandwidth of $F0 \pm 125MHz$, and insertion loss of $5 \pm 3dB$ at 875MHz with steep rejection of 40dB min at 1050MHz and 25dB min at 650MHz. In this design, rejection is considered at prime importance than the insertion loss.

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来源期刊

2022 IEEE Fourth International Conference on Advances in Electronics, Computers and Communications (ICAECC)

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