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Direct Synthesis of Folded Symmetric Resonator Filters With Source-Load Coupling
 

Summary: 1
Direct Synthesis of Folded Symmetric Resonator
Filters With Source-Load Coupling
Smain Amari
Abstract| A direct synthesis technique of coupled sym-
metric resonator lters with source-load coupling is pre-
sented. An examination of the implications of power con-
servation on the possible solutions to the synthesis problem
is examined. It is shown that at least two di erent cou-
pling matrices whose entries di er not only in signs but in
magnitude as well can be extracted. The two matrices have
the same coupling and routing scheme. Typical examples of
synthesized lters are presented to document the validity of
the technique.
I. Introduction
THE extensive research on coupled resonator lters over
the past few decades has been focused on topologies
where the source and the load are coupled to only one res-
onator each and not to each other 1]. It is well known that
such a topology can produce at most n;2 nite transmis-

  

Source: Amari, Smain - Department of Electrical and Computer Engineering, University of Victoria

 

Collections: Engineering