用SIR结构设计低损耗高抑制的多层LTCC带通滤波器

2008 IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF and Microwave Passive Components Pub Date : 2008-12-01 DOI:10.1109/IMWS.2008.4782293

Zi-Wei Mu, Yali Qin, Yu-jie Zhao, Zhefu Wu

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引用次数: 1

摘要

提出了一种小型高性能带通滤波器的设计方案。采用LTCC多层结构和阶跃阻抗谐振器(SIR)使滤波器尺寸小型化，通过引入传输零点可以获得更高的阻带抑制。本文着重讨论了引起滤波器插入损耗的因素。设计的滤波器具有优异的通带特性，中心频率为2.45 GHz，封装尺寸为2.5 mm × 2.0 mm × 0.9 mm。仿真结果表明，该滤波器完全满足蓝牙/WLAN无线通信系统的需求。

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 of Multilayer LTCC Bandpass Filter with Low Loss and High Suppression Using SIR Structure

A small-sized high-performance bandpass filter design is presented in this paper. The LTCC multilayered structure and Stepped Impedance Resonators (SIR) are employed to miniaturize the filter size, and through the introduction of transmission zeros can obtain a higher stopband suppression. This paper highlighted discusses the factors that cause the filter insertion loss. The designed filter has superior passband characteristics with central frequency 2.45 GHz and package size is 2.5 mm times 2.0 mm times 0.9 mm. The simulation results shown the proposed filter completely meet the needs of bluetooth/WLAN wireless communication systems.

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2008 IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF and Microwave Passive Components

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