Circuit and method for pulse width modulation by means of synchronized, self-oscillating pulse width modulators
US7486155B2 · kind B2 · utility
2Cited by
3References
28Claims
0Family size
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Key dates
| Filing date | Jun 8, 2007 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Jul 31, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/351
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A pulse width modulator circuit has two self-oscillating pulse width modulators and a synchronization circuit for synchronizing the two self-oscillating pulse width modulators. It also comprises an auxiliary-signal generating circuit for generating an auxiliary signal which is coupled into the two self-oscillating pulse width modulators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.