Dr. Senad Bulja, PhD, FIET, SMIEEE

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Radio communications

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Publication number: 20220123704
Type: Application
Filed: Sep 27, 2021
Publication Date: Apr 21, 2022
Applicant: NOKIA TECHNOLOGIES OY (Espoo)
Inventors: Senad BULJA (Dublin), Kim Nielsen (Storvorde)
Application Number: 17/448,983

Abstract:  This invention includes a circuit design that can be used for the purpose of altering the frequency response either as a standalone circuit or in combination with that of an existing filter. The resonator replicator as proposed in this invention is a circuit that creates an “illusion” that that an individual resonator is replicated. This is best explained by way of a simple example, as shown in Figure 1.

Figure 1: Resonator replicator circuit – basic principle; (a) basic configuration, (b) equivalent circuit for implicit coupling among replicated resonators and c) equivalent circuit (band-stop filter) for p1. The trivial case is arrived at by imposing p= 1, resulting in the “double” zero case
Figure 1: Resonator replicator circuit – basic principle; (a) basic configuration, (b) equivalent circuit for implicit coupling among replicated resonators and c) equivalent circuit (band-stop filter) for p1. The trivial case is arrived at by imposing p= 1, resulting in the “double” zero case

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