TUNING-RANGE EXTENSION CIRCUIT FOR SYSTEMS UTILIZING MOSFETS AS TUNABLE RESISTORS - Patent 0898810

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EP 0 898 810 A1

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(43)	Date of publication:
	03.03.1999 Bulletin 1999/09

(21)	Application number: 97901239.0

(22)	Date of filing: 13.02.1997

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International Patent Classification (IPC):

H03H 11/ 04^{( . )}

(86)	International application number:
	PCT/IB1997/000119

(87)	International publication number:
	WO 1998/036492 (20.08.1998 Gazette 1998/33)

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

(71)	Applicant: Koninklijke Philips Electronics N.V.
	5621 BA Eindhoven (NL)

(72)	Inventor:
	GROENEWOLD, Gerrit NL-5656 AA Eindhoven (NL)

(74)	Representative: Duijvestijn, Adrianus Johannes, et al
	Internationaal Octrooibureau B.V., Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)

(54)	TUNING-RANGE EXTENSION CIRCUIT FOR SYSTEMS UTILIZING MOSFETS AS TUNABLE RESISTORS