A New Miniature Peano Fractal-Based Bandpass Filter Design with 2nd Harmonic Suppression
A new compact microstrip bandpass filter design is presented in this paper as a candidate for use in modern wireless communication systems. The proposed filter structure is composed of two fractal-based microstrip resonators. The structure of each resonator is in the form of the 3rd iteration Peano fractal curve. The resulting filter structure based on these resonators, shows a considerable size reduction compared with the other microstrip bandpass filters based on other space-filling geometries designed at the same frequency. A second bandpass filter design based on the same resonator but with a tuning stub has been also presented, in an attempt to provide practically useful means to tune the filter to the specified performance with a considerable tuning range. The performance of the resulting filter structures has been evaluated using a method of moments (MoM) based electromagnetic simulator IE3D, from Zeland Software Inc. Results show that the proposed filter structures possess good return loss and transmission responses besides the size reduction gained, making them suitable for use in a wide variety of wireless communication applications. Furthermore, performance responses show that the second filter, based on Peano shaped resonator with stub, has less tendency to support the 2nd harmonic.
Microstrip bandpass filter filter miniaturization Peano fractal curve geometry 2nd harmonic suppression
Jawad K.Ali Yakeen S.Miz’el
Dept.of Electrical and Electronic Engineering,University of Technology,Baghdad, Iraq Dept.of Electrical and Electronic Engineering, University of Technology, Baghdad, Iraq
国际会议
北京
英文
1039-1042
2009-10-27（万方平台首次上网日期，不代表论文的发表时间）