射频无线应用中提取加权换能器SAW滤波器的设计

2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI:10.1109/ICECS.2015.7440367

M. Saad, A. Zaki, T. E. Taha

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引用次数: 0

摘要

本文介绍了射频带通滤波器中采用提取加权换能器结构的声SAW器件的设计。所提出的声波滤波器由均匀输入IDT和提取加权输出IDT组成。所提出的设计旨在通过撤回加权(WW)技术改善IDT插入损耗。对两种不同的声呐滤波器结构进行了建模。Comsol Multiphysics用于比较两个滤波器在时域和频域的输出电压，并通过使用提取加权换能器实现性能增强。

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Design of withdrawal weighted transducer SAW filter for RF wireless applications

This paper describes the design of SAW device using withdrawal weighted transducer structure for RF band pass Filter. The proposed SAW filter consists of a uniform input IDT and withdrawal-weighted output IDT. The proposed design is intended for improvement of IDT insertion loss by means of a withdrawal weighting (WW) technique. Two different SAW filters structure are modeled. The Comsol Multiphysics is used to compare the output voltages in time domain & frequency domain for both filters and to realize the performance enhancement that is achieved by using the withdrawal weighted transducer.

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来源期刊

2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)

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