Title :
LTCC MLC bandpass filter using λ/4 hairpin resonators for K-PCS
Author :
Sung, Gyu-Je ; Yeo, Dong-Hun
Author_Institution :
Dept. of Electron. Eng, Hankyong Nat. Univ., South Korea
Abstract :
In this paper, a novel λ/4 hairpin resonator is proposed to reduce the size of resonators. A LTCC MLC bandpass filter is designed using the λ/4 hairpin resonators. The electromagnetic coupling structure between two planar resonators is analyzed. The equivalent circuit is derived to explain the behavior of the LTCC MLC bandpass filter using λ/4 hairpin resonators. A design procedure is also described. The simulated and measured results of 1.8 GHz band 2-pole bandpass filter are presented.
Keywords :
UHF filters; band-pass filters; circuit simulation; crystal filters; electromagnetic coupling; electronic design automation; equivalent circuits; resonator filters; 1.8 GHz; K-PCS; LTCC MLC bandpass filter; design procedure; electromagnetic coupling structure; equivalent circuit; planar resonators; quarter-wavelength hairpin resonators; resonator size; simulated two-pole bandpass filter; Admittance; Band pass filters; Bandwidth; Coupling circuits; Distributed parameter circuits; Equivalent circuits; Frequency; Impedance; Microwave filters; Resonator filters;
Conference_Titel :
Microwave Conference, 2003. 33rd European
Print_ISBN :
1-58053-834-7
DOI :
10.1109/EUMC.2003.1262249
