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一种用于雷达应用的高性能、低成本集成发夹拓扑射频开关滤波器组。

A High-Performance, Low-Cost, and Integrated Hairpin Topology RF Switched Filter Bank for Radar Applications.

作者信息

Alvi Talha Shahid, Ahsan Muhammad Haris, Ali Muhammad, Ramzan Faizan, Aljaloud Khaled A, Alqahtani Ali H, Hussain Rifaqat, Alomainy Akram, Mehmood Muhammad Qasim

机构信息

MicroNano Lab, Department of Electrical Engineering, Information Technology University of the Punjab, Lahore 56000, Pakistan.

College of Engineering, Muzahimiyah Branch, King Saud University, P.O. Box 2454, Riyadh 11451, Saudi Arabia.

出版信息

Sensors (Basel). 2024 Jan 10;24(2):0. doi: 10.3390/s24020434.

DOI:10.3390/s24020434
PMID:38257527
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11154420/
Abstract

Switched filter banks find widespread application in frequency-hopping radar systems and communication networks with multiple operating frequencies, especially in situations demanding elevated filter element isolation. In this paper, the design and implementation of a highly isolated switchable narrow-bandpass filter bank architecture using hairpin microstrip topology is presented. The filter bank has four discrete bandpass filters with passbands of 2.0-2.2 GHz, 2.3-2.5 GHz, 3.1-3.3 GHz, and 3.9-4.1 GHz. These filters span the radar S-frequency band (2.0-4.0 GHz). In order to switch between channels with a switching speed of nanoseconds, low-loss and highly isolated SP4T switches are implemented. Advanced design system (ADS) software is used to design the various filter functionalities, and the entire system is tested on a vector network analyzer (VNA). The proposed architecture makes it much easier to put the filter bank into practice and switch it to the desired frequency, which is useful for radar receiver applications.

摘要

开关滤波器组在跳频雷达系统和具有多个工作频率的通信网络中有着广泛的应用，特别是在要求提高滤波器元件隔离度的情况下。本文提出了一种采用发夹微带拓扑结构的高隔离度可切换窄带通滤波器组架构的设计与实现。该滤波器组有四个离散带通滤波器，通带分别为2.0 - 2.2 GHz、2.3 - 2.5 GHz、3.1 - 3.3 GHz和3.9 - 4.1 GHz。这些滤波器覆盖雷达S频段（2.0 - 4.0 GHz）。为了以纳秒级的切换速度在通道之间切换，采用了低损耗和高隔离度的SP4T开关。使用高级设计系统（ADS）软件设计各种滤波器功能，并在矢量网络分析仪（VNA）上对整个系统进行测试。所提出的架构使滤波器组的实际应用和切换到所需频率变得更加容易，这对雷达接收机应用很有用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/70e0989b7c71/sensors-24-00434-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/26966692c0ee/sensors-24-00434-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/ea760183e847/sensors-24-00434-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/fad50fa6763c/sensors-24-00434-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/16805d8eb6ca/sensors-24-00434-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/ebb411374dd5/sensors-24-00434-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/72d78b141728/sensors-24-00434-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/9be57088de22/sensors-24-00434-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/c9b07eafb307/sensors-24-00434-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/cb8d0d011a8c/sensors-24-00434-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/9bc10f4a81d6/sensors-24-00434-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/7e130ccbae1d/sensors-24-00434-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/70e0989b7c71/sensors-24-00434-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/26966692c0ee/sensors-24-00434-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/cc84e46c956e/sensors-24-00434-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/ea760183e847/sensors-24-00434-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/fad50fa6763c/sensors-24-00434-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/16805d8eb6ca/sensors-24-00434-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/ebb411374dd5/sensors-24-00434-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/72d78b141728/sensors-24-00434-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/9be57088de22/sensors-24-00434-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/c9b07eafb307/sensors-24-00434-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/cb8d0d011a8c/sensors-24-00434-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/9bc10f4a81d6/sensors-24-00434-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/7e130ccbae1d/sensors-24-00434-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/133b/11154420/70e0989b7c71/sensors-24-00434-g013.jpg

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A Survey of Differential-Fed Microstrip Bandpass Filters: Recent Techniques and Challenges.差分馈电微带带通滤波器综述：最新技术与挑战
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High-frequency radar observations of ocean surface currents.高频雷达观测海洋表面流。
Ann Rev Mar Sci. 2013;5:115-36. doi: 10.1146/annurev-marine-121211-172315. Epub 2012 Sep 4.