Patent · US Expired

Switching amplifier closed loop dual comparator modulation technique

US5767740A · kind A · utility

32Cited by
12References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 27, 1996
Grant dateJun 16, 1998
Priority date
Expiry dateSep 27, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03F3/2173
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A dual comparator pwm audio amplifier has a differential-to-single ended feedback amplifier 40 coupled to an integrating amplifier 42 to provide more precise feedback control for the comparators 12, 16.

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