Switching amplifier closed loop dual comparator modulation technique
US5767740A · kind A · utility
32Cited by
12References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1996 |
| Grant date | Jun 16, 1998 |
| Priority date | — |
| Expiry date | Sep 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.