METHOD AND TOPOLOGY TO SWITCH AN OUTPUT STAGE IN A CLASS AB AUDIO AMPLIFIER FOR WIRELESS APPLICATIONS - Patent 1839378

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EP 1 839 378 A2

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(88)	Date of publication A3:
	16.11.2006

(43)	Date of publication:
	03.10.2007 Bulletin 2007/40

(21)	Application number: 05854097.2

(22)	Date of filing: 15.12.2005

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International Patent Classification (IPC):

H02B 1/00^(2006.01)

H03F 21/00^(2006.01)

(86)	International application number:
	PCT/US2005/045312

(87)	International publication number:
	WO 2006/078378 (27.07.2006 Gazette 2006/30)

(84)	Designated Contracting States:
	DE GB

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Priority:

18.01.2005 FR 0500506
19.04.2005 US 109410

(71)	Applicant: ATMEL CORPORATION
	San Jose, California 95131 (US)

(72)	Inventor:
	GUILBERT, Pascal F-13390 Auriol (FR)

(74)	Representative: Käck, Jürgen
	Kahler Käck Mollekopf Vorderer Anger 239 86899 Landsberg/Lech 86899 Landsberg/Lech (DE)

(54)	METHOD AND TOPOLOGY TO SWITCH AN OUTPUT STAGE IN A CLASS AB AUDIO AMPLIFIER FOR WIRELESS APPLICATIONS