Patent · US Expired

Class D amplifier

US6924700B2 · kind B2 · utility

31Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 2003
Grant dateAug 2, 2005
Priority date
Expiry dateNov 25, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F2200/331
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A pulse modulated signal (ei) output from a pulse modulator (1) and a feedback signal (ef) containing distortion caused by a power switch (3) are integrated in a first integrator (21) and a second integrator (24), respectively, and are input to input terminals of a comparator (25 or 29), respectively, so that a correction signal (Vc) is generated.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.