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具有改进匹配电感电路的声表面波天线复用器设计。

Design for SAW Antenna-Plexers with Improved Matching Inductance Circuits.

作者信息

Yang Min-Yuan, Wu Ruey-Beei

机构信息

Department of Electrical Engineering and Graduate Institute of Communication Engineering, National Taiwan University, Taipei 10617, Taiwan.

出版信息

Micromachines (Basel). 2023 Dec 30;15(1):89. doi: 10.3390/mi15010089.

DOI:10.3390/mi15010089
PMID:38258207
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10818367/
Abstract

This study designs antenna-plexers, including a surface acoustic wave (SAW) extractor and an upper- and mid-high band (UHB + MHB) diplexer, for LTE 4G and 5G bands using carrier aggregation. The SAW extractor combines a bandpass filter (BPF) and a band-stop filter (BSF) in a single unit that consists of eight modified Butterworth-van Dyke (mBVD) resonators that resonate in parallel with an inductor and SAW resonators. This BSF behaves as a high-pass filter at frequencies lower than the designed WIFI band and as a capacitor at higher frequencies. The SAW extractor meets product specifications in the frequency range 0.7 to 2.7 GHz. The UHB + MHB diplexer, which is composed of a microwave filter, a SAW filter, and a simple matching inductor, uses frequency response methods to create an RF component for 2.4 GHz + WIFI 6E applications. The design uses a SAW's interdigital transducer (IDT) structure, and the experimental results are in agreement with the simulation results, so the design is feasible.

摘要

本研究利用载波聚合技术为LTE 4G和5G频段设计了天线复用器，包括一个表面声波（SAW）提取器和一个超高频+中高频（UHB + MHB）双工器。SAW提取器在一个单元中结合了带通滤波器（BPF）和带阻滤波器（BSF），该单元由八个与电感和SAW谐振器并联谐振的改进型巴特沃斯-范戴克（mBVD）谐振器组成。该BSF在低于设计的WIFI频段的频率下表现为高通滤波器，在较高频率下表现为电容器。SAW提取器在0.7至2.7 GHz的频率范围内满足产品规格。UHB + MHB双工器由一个微波滤波器、一个SAW滤波器和一个简单的匹配电感组成，采用频率响应方法为2.4 GHz + WIFI 6E应用创建一个射频组件。该设计采用了SAW的叉指换能器（IDT）结构，实验结果与仿真结果一致，因此该设计是可行的。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/f3b5893a09e8/micromachines-15-00089-g017a.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/f3b5893a09e8/micromachines-15-00089-g017a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/c175186402e8/micromachines-15-00089-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/362b30352919/micromachines-15-00089-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/0c4db0119ca9/micromachines-15-00089-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/82c5d82f81c8/micromachines-15-00089-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/06001b276b53/micromachines-15-00089-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/3d57ea2d0e27/micromachines-15-00089-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/f03d9b16e821/micromachines-15-00089-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/c8d0770c5d65/micromachines-15-00089-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/3f733aa486c7/micromachines-15-00089-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/3e8f3dba7bcd/micromachines-15-00089-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/6117d5c77cd8/micromachines-15-00089-g015a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/e3f49a4e7f66/micromachines-15-00089-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ac/10818367/f3b5893a09e8/micromachines-15-00089-g017a.jpg

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