Class D amplifier
US8054129B2 · kind B2 · utility
2Cited by
14References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 23, 2008 |
| Grant date | Nov 8, 2011 |
| Priority date | — |
| Expiry date | Dec 23, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/66
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A class D amplifier includes: an amplifier that generates a digital signal for driving a load based on an input signal; an attenuator that attenuates the input signal according to an attenuation command signal; and a clip prevention controller that outputs the attenuation command signal to intermittently attenuate the input signal when the digital signal is brought into a clip state or a near-clip state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.