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Cross-differential amplifier

  • US 7,646,249 B2
  • Filed: 03/10/2008
  • Issued: 01/12/2010
  • Est. Priority Date: 03/11/2002
  • Status: Active Grant
First Claim
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1. A device for amplifying a signal amplifier comprising:

  • an inductor connected to a power source at a first terminal;

    two or more amplifiers for providing power to a load connected to an output; and

    two or more switches, each connected between one of the amplifiers and the inductor for commutating the inductor between the two or more amplifiers, wherein the two or more amplifiers are for providing power to the load in a first mode of operation and are for commutating the inductor between the two or more switches in a second mode of operation, and the two or more switches are for commutating the inductor between the two or more amplifiers in the first mode of operation and are for providing power the load in the second mode of operation.

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