Title :
Improvement of out-of-passband characteristics for a laminated chip bandpass filter using tapped resonator
Author :
Lee, B.H. ; Park, S.S. ; Peters, J.M. ; Park, D.S. ; Shin, D.Y. ; Kim, N.C. ; Yoon, J.H.
Author_Institution :
R&D Center, Samsung Electro-Mech. Co. Ltd., Suwon, South Korea
Abstract :
This paper presents how a tapped resonator can be used to improve out-of-passband characteristics and as an example, a laminated chip bandpass filter using tapped resonators is designed and fabricated with silver paste and high permittivity multilayer ceramic in the MgTiO3 and CaTiO3 system. Its size is 2.5 mm×2.0 mm×0.95 mm. The measured frequency characteristics of the fabricated filter are presented and compared with the simulated ones. Using the tapped resonator, the filter exhibits excellent out-of-passband performances suitable for wireless LAN and Bluetooth applications.
Keywords :
Bluetooth; band-pass filters; hybrid integrated circuits; laminates; microwave filters; resonator filters; thick film circuits; wireless LAN; 0.95 mm; 2 mm; 2.5 mm; Ag; Bluetooth applications; MgTiO3-CaTiO3; filter frequency characteristics; high permittivity multilayer ceramic MgTiO3-CaTiO3 system; laminated chip bandpass filter; microwave filters; out-of-passband characteristics; silver paste; simulated frequency characteristics; tapped resonator; wireless LAN applications; wireless communication technology; Band pass filters; Bluetooth; Ceramics; Frequency measurement; Nonhomogeneous media; Permittivity measurement; Resonator filters; Semiconductor device measurement; Silver; Wireless LAN;
Conference_Titel :
Microwave and Millimeter Wave Technology, 2002. Proceedings. ICMMT 2002. 2002 3rd International Conference on
Print_ISBN :
0-7803-7486-X
DOI :
10.1109/ICMMT.2002.1187877
