Title :
Analysis and application of coupled microstrips on periodically patterned ground plane
Author :
Fei-Ran Yang ; Coccioli, R. ; Yongxi Qian ; Itoh, T.
Author_Institution :
Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA
Abstract :
Coupled microstrips on periodically patterned ground plane have been analyzed using the FDTD method to compute the effect of strip width and gap spacing on the characteristic impedance and effective dielectric constant of even and odd modes. Results have been employed to design a bandpass filter with a spurious-free response as well as good passband performance. Design criteria have been successfully established for filter applications and they are also valuable for implementing other components such as phase shifters and couplers.
Keywords :
Band-pass filters; Coupled transmission lines; Electric impedance; Finite difference time-domain analysis; Microstrip couplers; Microstrip filters; Microwave phase shifters; Passive filters; Permittivity; FDTD method; bandpass filter design; characteristic impedance; coupled microstrips; couplers; design criteria; effective dielectric constant; even modes; gap spacing; odd modes; passband performance; periodically patterned ground plane; phase shifters; spurious-free response; strip width; Band pass filters; Coupled mode analysis; Dielectric constant; Finite difference methods; Impedance; Microstrip; Passband; Pattern analysis; Phase shifters; Strips;
Conference_Titel :
Microwave Symposium Digest. 2000 IEEE MTT-S International
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-5687-X
DOI :
10.1109/MWSYM.2000.862266
