Output stage for high power class D amplifiers
US6304137A · kind A · utility
30Cited by
5References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1999 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Dec 23, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/114
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An output stage for a class D amplifier reduces distortion and EMI, and greatly improves the efficiency. The output stage employs a combination of techniques including a soft switching network, multiple output inductors and beads to achieve, a high power full range class D amplifier that is complies with all FCC and CE specifications with greater than 90% efficiency at 1/3 power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.