RF noise reduction in switching mode power supplies
US9876422B2 · kind B2 · utility
2Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 17, 2014 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Aug 11, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switching mode power supply generating reduced high frequency noise. The power supply includes a solid state switch, a modulator for driving the solid state switch with a periodic pulse drive signal, an output filter at the output of the solid state switch, where the output filter includes an inductor and a catch diode. A damping element is included for damping current spikes through the catch diode when said solid state switch turns on and thus reduce noise pulses that would otherwise be introduced by the current spikes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.