Class D amplifier

Details Class D amplifier Class D amplifier

2007-10-19

2011-11-01

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including class d amplifier

C330S297000

Reexamination Certificate

active

08049561

ABSTRACT:
The invention refers to an amplifier (1) comprising a switchable capacitive divider (10) for dividing a supply voltage delivered to the amplifier (1), the switchable capacitive divider being coupled to a coupling circuit (15) via a first wire and a second wire, the coupling circuit determining a connection path between said first and second wire and a first capacitor (C2) and a switchable power circuit (20).

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patent: 6148073 (2000-11-01), Helfand
patent: 2005/0110559 (2005-05-01), Farkas et al.
patent: 2006/0061419 (2006-03-01), Edwards
patent: 2006/0103458 (2006-05-01), Hansen et al.
Bekhout, Marco; “Integrated Audio Amplifiers in BCD Technology”; Kluwer Academic Publishers, 1997.
Rajapandian, Saravanan, et al; “Charge-Recycling Voltage Domains for Energy-Efficient Low-Voltage Operation of Digital CMOS Circuits”; Proceedings of the 21st International Coference on Computer Design; IEEE; 2003.

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