(19)
(11) EP 0 343 886 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
31.10.1990 Bulletin 1990/44

(43) Date of publication A2:
29.11.1989 Bulletin 1989/48

(21) Application number: 89305127.6

(22) Date of filing: 10.05.1989
(51) International Patent Classification (IPC)4: H01F 31/00, H01F 19/08, H01F 27/42
(84) Designated Contracting States:
AT BE CH DE ES FR GR IT LI LU NL SE

(30) Priority: 21.05.1988 GB 8812090

(71) Applicant: EEV LIMITED
Chelmsford, Essex, CM1 2QU (GB)

(72) Inventor:
  • Iskander, Stephen Mark
    Chelmsford Essex CM2 0JJ (GB)

(74) Representative: Cockayne, Gillian et al
GEC Patent Department Waterhouse Lane
Chelmsford, Essex CM1 2QX
Chelmsford, Essex CM1 2QX (GB)


(56) References cited: : 
   
       


    (54) Circuit arrangements


    (57) A circuit arrangement includes a transformer 12 having a core 13 about which is wound a primary winding 14 and a secondary winding 15 which is connected to a load, such as a magnetron. The secondary winding 15 comprises two windings 17 and 18 which are wound in opposite senses and arranged adjacent one another.







    Search report