A novel symmetry rectangular spiral microstrip rensonator is proposed for stopband filters, the filters are easy to fabricate and keep a small physical size, they can have wide application in MMIC.

• 摘要提出了一种新型对称矩形螺旋谐振带阻滤波器的设计，它具有很紧凑的尺寸，以及简单的制作，很方便在集成电路中使用。