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1. (WO2018099924) TUNABLE VARIABLE-INDUCTANCE FILTER
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Pub. No.: WO/2018/099924 International Application No.: PCT/EP2017/080711
Publication Date: 07.06.2018 International Filing Date: 28.11.2017
IPC:
H03H 7/01 (2006.01) ,H01P 1/203 (2006.01) ,H01P 7/08 (2006.01)
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
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
P
WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE
1
Auxiliary devices
20
Frequency-selective devices, e.g. filters
201
Filters for transverse electromagnetic waves
203
Strip line filters
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
P
WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE
7
Resonators of the waveguide type
08
Strip line resonators
Applicants:
THALES [FR/FR]; TOUR CARPE DIEM Place des Corolles Esplanade Nord 92400 Courbevoie, FR
Inventors:
GUERN, Pierre; FR
FOUGERAY, Germain; FR
SABOUREAU, Cédrick; FR
Agent:
DUDOUIT, Isabelle; FR
LUCAS, Laurent; FR
Priority Data:
16/0168629.11.2016FR
Title (EN) TUNABLE VARIABLE-INDUCTANCE FILTER
(FR) FILTRE ACCORDABLE A INDUCTANCE VARIABLE
Abstract:
(EN) A tunable filter comprising at least two tunable resonators (30, 40), one resonator comprising at least one inductance or transmission line (31), said inductance or transmission line having a first end (31A) connected to earth M and a second end (31B) coupled to another resonator via a coupling impedance (32), and a plurality of switched capacitors (33i), characterised in that: · said inductance or transmission line (31) comprises a plurality of access points (31i) or connection points distributed along said inductance (31) making it possible to connect or not a switched capacitor (33i) the value of which is defined according to its position on the inductance, · the low-weight capacitors are located close to the end of the inductance connected to earth M. Use of the filter in radio transmitters/receivers.
(FR) Filtre accordable comportant au moins deux résonateurs accordables (30, 40), un résonateur comprenant au moins une inductance ou ligne de transmission (31), ladite inductance ou ligne de transmission ayant une première extrémité (31A) connectée à la masse M et une deuxième extrémité (31B) couplée à un autre résonateur via une impédance de couplage (32), et plusieurs capacités commutées (33i) caractérisé en ce que : · Ladite inductance ou ligne de transmission (31) comporte plusieurs points d'accès (31i) ou points de connexion distribués le long de ladite inductance (31) permettant de connecter ou non une capacité commutée (33i) dont la valeur est définie en fonction de sa position sur l'inductance, · Les capacités de poids faibles sont situées près de l'extrémité de l'inductance reliée à la masse M. Utilisation du filtre dans des émetteurs/récepteurs radios.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: French (FR)
Filing Language: French (FR)