Title :
An optimum matching circuit for SAW filter
Author :
da Rocha Barretto, Paulo Sergio
Author_Institution :
DI/TTI/Transmission, Alcatel Espace, Toulouse, France
Abstract :
This paper presents a lossless matching circuit for SAW filters that is two-fold optimum: it minimises the overall filter losses; and it provides a temperature behaviour without tilting either in amplitude or in phase. A theoretical justification for its use is presented and some measurement results illustrating these performance are shown. Also one procedure for tuning is described
Keywords :
circuit optimisation; circuit tuning; impedance matching; losses; surface acoustic wave filters; SAW filter; filter losses minimisation; lossless matching circuit; measurement results; optimum matching circuit; performance; temperature behaviour; tuning; Acoustic transducers; Circuit optimization; Equivalent circuits; Insertion loss; Matched filters; Propagation losses; Resistors; SAW filters; Surface acoustic waves; Temperature;
Conference_Titel :
Microwave and Optoelectronics Conference, 1995. Proceedings., 1995 SBMO/IEEE MTT-S International
Conference_Location :
Rio de Janeiro
Print_ISBN :
0-7803-2674-1
DOI :
10.1109/SBMOMO.1995.509633
