(19)
(11) EP 2 006 956 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.02.2009 Bulletin 2009/07

(43) Date of publication A2:
24.12.2008 Bulletin 2008/52

(21) Application number: 08252104.8

(22) Date of filing: 19.06.2008
(51) International Patent Classification (IPC): 
H01Q 21/00(2006.01)
H01P 5/107(2006.01)
 H01Q 21/06(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 22.06.2007 US 767129
22.06.2007 US 767170

(71) Applicant: The Boeing Company
Chicago, IL 60606-2016 (US)

(72) Inventors:
  • Chen, Ming
    Bellevue, WA 98006 (US)
  • Wightman, Robert L., Jr.
    Seattle, WA 98144 (US)
  • Miller, Dan R.
    Puyallup, WA 98372 (US)
  • McKinley, Chris D.
    Seattle, WA 98108 (US)
  • O'Connell, John B.
    Seattle, WA 98102 (US)

(74) Representative: McLeish, Nicholas Alistair Maxwell 
Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB)

   


(54) System and method for a radio frequency (RF) transition design for a phased array antenna system utilizing a beam forming network


(57) In accordance with an embodiment, a phased array antenna system includes a printed wiring board (102) formed in rhombic shape that accommodates requirements for low observability, a beam forming network (100) located within the printed wiring board, wherein the beam forming network is located over substantially the entire printed wiring board, and a plurality of connectors (502, 504) located on the backside of the printed wiring board configured to allow for expansion of the system.







Search report