基于LTCC技术,提出了一种新型方形开环谐振器滤波器结构。该结构将平面结构的边缘耦合转移到立体结构上。利用这种结构,设计了一个中心频率在6 GHz、5个极点的滤波器并进行了仿真测试。测试结果表明,通过调节谐振器间距,能够方便实现所需性能的滤波器。在整个工作频段内,滤波器有良好的性能,且在6.67 GHz存在一个传输零点。 Based on the LTCC technology, a novel square open-loop resonator filter structure is proposed. This structure couples the edge of the planar structure to the three-dimensional structure. With this structure, a filter with a center frequency of 6 GHz and 5 poles has been designed and simulated. Test results show that by adjusting the resonator spacing, can be easily achieved the desired performance of the filter. The filter has good performance throughout the operating band and there is a transmission null at 6.67 GHz.