(19)
(11) EP 1 364 476 A2

(12)

(88) Date of publication A3:
02.10.2003

(43) Date of publication:
26.11.2003 Bulletin 2003/48

(21) Application number: 01972017.6

(22) Date of filing: 06.09.2001
(51) International Patent Classification (IPC)7H04B 17/00, H04B 1/40
(86) International application number:
PCT/EP0110/312
(87) International publication number:
WO 0202/5846 (28.03.2002 Gazette 2002/12)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 20.09.2000 US 665925

(71) Applicant: Koninklijke Philips Electronics N.V.
5621 BA Eindhoven (NL)

(72) Inventor:
  • MOHINDRA, Rishi
    NL-5656 AA Eindhoven (NL)

(74) Representative: Volmer, Georg, Dipl.-Ing. 
Philips Intellectual Property & Standards GmbH,Weisshausstrasse 2
52066 Aachen
52066 Aachen (DE)

   


(54) CALIBRATION OF A TRANSMIT BRANCH AND/OR A RECEIVE BRANCH OF A QUADRATURE TRANSMITTER AND/OR TRANSCEIVER