Title :
A High Isolation and High Selectivity Ladder-Lattice BAW-SMR Filter
Author :
Shirakawa, A.A. ; Pham, J.-M. ; Jarry, P. ; Kerherve, E. ; Dumont, F. ; David, J.B. ; Cathelin, A.
Author_Institution :
IXL Microelectron. Lab.
Abstract :
This paper presents a BAW-SMR filter using a combined ladder-lattice topology for application in W-CDMA reception front-ends (2.11 - 2.17 GHz). The combined topology allies the advantages of both network types, having very steep responses and high isolation at undesired bands. The design of filter was simulated using a combined 2D EM-acoustical analysis procedure, it presents: 1.6 dB of insertion loss, -10 dB of return loss and isolation higher than -48 dB at TX band (1.92 - 1.98 GHz)
Keywords :
UHF filters; acoustic resonator filters; bulk acoustic wave devices; code division multiple access; ladder filters; lattice filters; network topology; 1.6 dB; 1.92 to 1.98 GHz; 2.11 to 2.17 GHz; 2D EM acoustic analysis procedures; BAW-SMR filter; UHF filters; W-CDMA reception front-ends; ladder-lattice filter; ladder-lattice topology; Active circuits; Band pass filters; Insertion loss; Lattices; Microwave filters; Multiaccess communication; Network topology; Passband; Radio frequency; Resonator filters; BAW filter; SMR; ladder; lattice;
Conference_Titel :
Microwave Conference, 2006. 36th European
Conference_Location :
Manchester
Print_ISBN :
2-9600551-6-0
DOI :
10.1109/EUMC.2006.281067
