(19)
(11) EP 1 794 890 A1

(12)

(43) Date of publication:
13.06.2007 Bulletin 2007/24

(21) Application number: 05775794.0

(22) Date of filing: 06.09.2005
(51) International Patent Classification (IPC): 
H03M 3/02(2006.01)
(86) International application number:
PCT/CH2005/000531
(87) International publication number:
WO 2006/026885 (16.03.2006 Gazette 2006/11)
(84) Designated Contracting States:
CH DE FR GB LI

(30) Priority: 06.09.2004 EP 04405553

(71) Applicant: Berner Fachhochschule, Technik und Informatik (TI)
2501 Biel (CH)

(72) Inventors:
  • JACOMET, Marcel
    CH-2543 Lengnau (CH)
  • MÜLLER, Lorenz
    CH-2505 Biel (CH)
  • CATTIN-LIEBL, Roger
    CH-2540 Grenchen (CH)
  • GÖTTE, Josef
    CH-2543 Lengau (CH)

(74) Representative: Liebetanz, Michael et al
Isler & Pedrazzini AG Gotthardstrasse 53 Postfach 1772
8027 Zürich
8027 Zürich (CH)

   


(54) SIGMA-DELTA MODULATOR AND SIGMA-DELTA A/D CONVERTER