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1. (EP2002540) AN ELECTRONIC FILTER AND AN ELECTRONIC CIRCUIT FOR USE IN A SWITCHING APPLICATION

Office : European Patent Office
Application Number: 06705041 Application Date: 22.03.2006
Publication Number: 2002540 Publication Date: 17.12.2008
Publication Kind : A4
Prior PCT appl.: Application Number:AU2006000381 ; Publication Number: Click to see the data
IPC:
H03H 7/12
H03H 9/46
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
H
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
7
Multiple-port networks comprising only passive electrical elements as network components
01
Frequency selective two-port networks
12
Bandpass or bandstop filters with adjustable bandwidth and fixed centre frequency
H ELECTRICITY
03
BASIC ELECTRONIC CIRCUITRY
H
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
9
Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
46
Filters
CPC:
H03H 7/0153
H03H 7/1766
H03H 7/1783
H03H 7/38
H03H 7/427
H03H 11/1213
H04M 11/062
Applicants: C10 COMM PTY LTD
Inventors: ONG TRUNG
Priority Data: 2006000381 22.03.2006 AU
Title: (DE) ELEKTRONISCHES FILTER UND ELEKTRONISCHE SCHALTUNG ZUR VERWENDUNG IN EINER SCHALTANWENDUNG
(EN) AN ELECTRONIC FILTER AND AN ELECTRONIC CIRCUIT FOR USE IN A SWITCHING APPLICATION
(FR) FILTRE ÉLECTRONIQUE ET CIRCUIT ÉLECTRONIQUE DESTINÉS À ÊTRE UTILISÉS DANS UNE APPLICATION DE COMMUTATION
Abstract:
(EN) An electronic filter (100) comprising: a filter section (102, 104); an impedance correction section (106 and 108) that is electrically coupled to the filter section (102, 104); and a circuit altering section (110-116) that is arranged to alter at least one property of the impedance correction section (106, 108) to effect a shift in a resonant frequency of the impedance correction section (106, 108) from with a pass band of the filter section to within a stop band of the filter section (102, 104).
(FR) L'invention concerne un filtre électronique (100) comprenant: une section de filtre (102, 104); une section de correction d'impédance (106 et 108) couplée par voie électrique à la section de filtre (102, 104); et une section de modification de circuit (110-116) conçue pour modifier au moins une propriété de la section de correction d'impédance (106, 108) afin d'obtenir un changement dans la fréquence de résonance de la section de correction d'impédance (106, 108) allant d'une bande passante de la section de filtre à une bande d'arrêt de la section de filtre (102, 104).
Also published as:
NZ571608US20100127796CN101427464AU2006340709WO/2007/106924