Audio amplifier and method of operating the same Patent #: 4218660
ApplicationNo. 06/162751 filed on 06/25/1980
US Classes:330/297, Including particular power supply circuitry330/267And particular biasing arrangement
ExaminersPrimary: Mullins, James B.
Assistant: Wan, Gene
Attorney, Agent or Firm
International ClassesH02M 3/10 (20060101)
H03F 1/02 (20060101)
H02M 3/04 (20060101)
Foreign Application Priority Data1979-07-04 AU
AbstractAn amplifier system comprising at least two tracking switching regulators or a dual-output regulator, which regulators vary the voltage across the output stage at the signal or its envelope rate.