(19)
(11) EP 1 264 326 A2

(12)

(88) Date of publication A3:
03.10.2002

(43) Date of publication:
11.12.2002 Bulletin 2002/50

(21) Application number: 01908957.2

(22) Date of filing: 07.02.2001
(51) International Patent Classification (IPC)7: H01J 3/00
(86) International application number:
PCT/US0104/040
(87) International publication number:
WO 0105/7903 (09.08.2001 Gazette 2001/32)
(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: 07.02.2000 US 180798 P

(71) Applicant: Communication & power Industries
San Carlos, CA 94070 (US)

(72) Inventors:
  • TOY, Wilson, W.
    San Francisco, CA 94122 (US)
  • YATES, Christopher
    Boulder Creek, CA 95006 (US)
  • KRZEMINSKI, Paul
    San Mateo, CA 94403 (US)
  • DAVIES, Edmund, T.
    Orinda, CA 94563 (US)
  • TORNOE, Robert, N.
    Sunol, Ca 94586 (US)

(74) Representative: Falk, Urs, Dr. 
Patentanwaltsbüro Dr. Urs Falk,Eichholzweg 9A
6312 Steinhausen
6312 Steinhausen (CH)

   


(54) INPUT CIRCUIT FOR RF AMPLIFIER