(19)
(11) EP 1 586 162 A1

(12)

(43) Date of publication:
19.10.2005 Bulletin 2005/42

(21) Application number: 03700608.7

(22) Date of filing: 07.01.2003
(51) International Patent Classification (IPC)7H03F 3/20
(86) International application number:
PCT/KR2003/000020
(87) International publication number:
WO 2004/062095 (22.07.2004 Gazette 2004/30)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO

(30) Priority: 03.01.2003 KR 2003000208

(71) Applicant: Wavics Co., Ltd.
Kangnam-gu,135-270 Seoul (KR)

(72) Inventors:
  • Kim, Junghyun
    Seoul 151-050 (KR)
  • Lee, Dae-Hee
    Seoul 131-130 (KR)
  • Jung, Sang Hwa
    Ansan-si,Kyunggido 424-020 (KR)
  • Kwon, Youngwoo
    Songpa-ku,Seoul 138-754 (KR)

(74) Representative: Neobard, William John et al
Kilburn & Strode 20 Red Lion Street
London WC1R 4PJ
London WC1R 4PJ (GB)

   


(54) HIGH EFFICIENCY POWER AMPLIFICATION APPARATUS WITH MULTIPLE POWER MODE