Dual-Band Vertically Stacked Laminated Waveguide Filter Design in LTCC Technology
Dual-Band Vertically Stacked Laminated Waveguide Filter Design in LTCC Technology
复制标题
DOI：
10.1109/tmtt.2009.2020833
复制
发表时间：
2009-05
影响因子：
4.3
通讯作者：
Bo-Jiun Chen;Tze-Min Shen;R. Wu
中科院分区：
文献类型：
--
作者：
Bo-Jiun Chen;Tze-Min Shen;R. Wu
利用多腔模的存在，提出了一种新的叠层波导（或基片集成波导）双频滤波器的设计方法。主要的设计思想是适当地选择叠层波导谐振器的几何形状来控制频带，以及开口槽和馈电探针的位置，以同时实现期望的耦合系数和两个频带的外部品质因数。给出了两个三阶和准椭圆滤波器响应的设计实例，并通过实验进行了验证。通过采用低温共烧陶瓷技术，叠层波导谐振器垂直堆叠，滤波器尺寸可以小型化。
A new design method of dual-band filters with laminated waveguide (or substrate integrated waveguide) is proposed by taking advantage of the existence of multiple cavity modes. The major design concept is adequately choosing geometric shape of laminated waveguide resonators to control the frequency bands, and positions of open slots and feeding probes to realize the desired coupling coefficients and external quality factors at both bands simultaneously. Two design examples with third-order and quasi-elliptic filter responses are given and verified by experiments. By using the low-temperature co-fired ceramic technology, the laminated waveguide resonators are vertically stacked, and the filter size can be miniaturized.