A METHOD AND DEVICE FOR CONTINUOUS-TIME FILTERING IN DIGITAL CMOS PROCESS - Patent 0913029

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EP 0 913 029 A1

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(43)	Date of publication:
	06.05.1999 Bulletin 1999/18

(21)	Application number: 97932096.0

(22)	Date of filing: 27.06.1997

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International Patent Classification (IPC):

H03F 3/ 345^{( . )}

H03H 11/ 04^{( . )}

(86)	International application number:
	PCT/SE1997/001169

(87)	International publication number:
	WO 1998/004038 (29.01.1998 Gazette 1998/04)

(84)	Designated Contracting States:
	DE ES FI FR GB IT NL SE

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Priority:

19.07.1996 SE 19960002824

(71)	Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (publ)
	126 25 Stockholm (SE)

(72)	Inventor:
	TAN, Nianxiong S-191 56 Sollentuna (SE)

(74)	Representative: Hedberg, Sten Torsten
	Ericsson Components AB, Department for IPR, Kista 164 81 Stockholm 164 81 Stockholm (SE)

(54)	A METHOD AND DEVICE FOR CONTINUOUS-TIME FILTERING IN DIGITAL CMOS PROCESS