(19)
(11) EP 1 869 682 A1

(12)

(43) Date of publication:
26.12.2007 Bulletin 2007/52

(21) Application number: 06739915.4

(22) Date of filing: 29.03.2006
(51) International Patent Classification (IPC): 
H01F 17/00(2006.01)
H01F 27/36(2006.01)
H01L 23/522(2006.01)
H01F 27/34(2006.01)
(86) International application number:
PCT/US2006/011445
(87) International publication number:
WO 2006/105184 (05.10.2006 Gazette 2006/40)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 30.03.2005 US 94834
30.03.2005 US 94833

(71) Applicant: Silicon Laboratories, Inc.
Austin, TX 78735 (US)

(72) Inventor:
  • MARQUES, Augusto Manuel
    Austin, Texas 78749 (US)

(74) Representative: Wombwell, Francis 
Potts, Kerr & Co. 15, Hamilton Square
Birkenhead Merseyside CH41 6BR
Birkenhead Merseyside CH41 6BR (GB)

   


(54) MAGNETICALLY DIFFERENTIAL INDUCTORS AND ASSOCIATED METHODS