(19)

(11)

EP 1 550 279 A2

(12)

(88) Date of publication A3: 10.09.2004 (43) Date of publication: 06.07.2005 Bulletin 2005/27 (21) Application number: 03773209.6 (22) Date of filing: 08.10.2003

(51) International Patent Classification (IPC)7: H04L 27/36, H04L 27/00, H03F 1/02, H03L 5/00, H03F 1/32, H03F 3/217 (86) International application number: PCT/US2003/031937 (87) International publication number: WO 2004/034667 (22.04.2004 Gazette 2004/17)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 08.10.2002 US 417311 P 08.10.2002 US 416861 P 04.06.2003 US 454698 (71) Applicant: M/A-COM, INC. Lowell, MA 01853 (US)	(72) Inventors: DENNIS, Anthony Belle Mead, NJ 08502 (US) YANG, Yongwen Hillsboro, NJ 08844 (US) AHMED, Walid, Khairy, Mohamed Tinton Falls, NJ 07712 (US) HUSSEINI, Radwan, Mohamad, Reda Annandale, NJ 08801 (US) BENGTSON, David, Eric Easton, PA 18045 (US) (74) Representative: Johnstone, Douglas Ian et al Baron & Warren,19 South End,Kensington London W8 5BU London W8 5BU (GB)