Self-oscillating variable frequency closed loop Class D amplifier
US6753729B2 · kind B2 · utility
4Cited by
16References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 6, 2000 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Jan 6, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/351
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An improved Class D amplifier which does not utilize a clock, is self-oscillating, and reduces switching errors and distortions. The amplifier includes positive and negative switches which are selectively activated to reduce errors in gain in the analog signal produced by the amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.